Publications

in international high impact journals


Interface dynamics and crystal phase switching in GaAs nanowires
Jacobsson D., Panciera F., Tersoff J., Reuter M. C., Lehmann S., Hofmann S., Dick K. A., Ross F. M.,
Nature 531, 317 (2016)

Synthesis of nanostructures in nanowires using sequential catalyst reactions
Panciera F., Chou Y.-C., Reuter M. C., Zakharov D., Stach E. A., Hofmann S., Ross F. M.,
Nature Materials 14, 820 (2015)

Revealing Lithium–silicide Phase Transformations in Nano-structured Silicon-based Lithium Ion Batteries via in situ NMR Spectroscopy
Ogata K., Salager E., Kerr C. J., Fraser A. E., Ducati C., Morris A.J., Hofmann S., Grey C. P.
Nature Comm. 5, 3217 (2014)

Observing Graphene Grow: Catalyst−Graphene Interactions during Scalable Graphene Growth on Polycrystalline Copper
Piran R. Kidambi, Bernhard C. Bayer, Raoul Blume, Zhu-Jun Wang, Carsten Baehtz, Robert S. Weatherup, Marc-Georg Willinger, Robert Schloegl, and Stephan Hofmann
Nano Lett 13, 4769 (2013)

Introducing Carbon Diffusion Barriers for Uniform, High-Quality Graphene Growth from Solid Sources
Robert S. Weatherup, Carsten Baehtz, Bruno Dlubak, Bernhard C. Bayer, Piran R. Kidambi, Raoul Blume, Robert Schloegl, and Stephan Hofmann
Nano Lett 13, 4624 (2013)

In Situ Characterization of Alloy Catalysts for Low-Temperature Graphene Growth
Robert S. Weatherup, Bernhard C. Bayer, Raoul Blume, Caterina Ducati, Carsten Baehtz, Robert Schlogl, and Stephan Hofmann
Nano Lett. 11, 4154 (2011)

Ledge-flow-controlled catalyst interface dynamics during Si nanowire growth
Stephan Hofmann, Renu Sharma, Christoph T. Wirth, Felipe Cervantes-Sodi, Caterina Ducati, Takeshi Kasama, Rafal E. Dunin-Borkowski, Jeff Drucker, Peter Bennett & John Robertson
Nature Materials 7, 372 - 375 (2008)

In situ Observations of Catalyst Dynamics during Surface-Bound Carbon Nanotube Nucleation
Stephan Hofmann, Renu Sharma, Caterina Ducati, Gaohui Du, Cecilia Mattevi, Cinzia Cepek, Mirco Cantoro, Simone Pisana, Atlus Parvez, Felipe Cervantes-Sodi, Andrea C. Ferrari, Rafal Dunin-Borkowski, Silvano Lizzit, Luca Petaccia, Andrea Goldoni, and John Robertson
Nano Lett., 2007, 7 (3), pp 602–608


all 2017 2016 2015 2014 2013 2012 2011 2010 2009 Pre 2009


177

Embedded Nanoparticle Dynamics And Their Influence On Switching Behaviour Of Resistive Memory Devices,

Tappertzhofen S.,Hofmann S.,

Nanoscale 9, 17494 (2017).

176

Atomic Layer Deposited Oxide Films As Protective Interface Layers For Integrated Graphene Transfer,

Cabrero-Vilatela A., Alexander-Webber J. A., Sagade A. A., Aria I. A., Braeuninger-Weimer P., Martin M.-B., Weatherup R. S., Hofmann S.,

Nanotechnology 28, 485201 (2017).

175

Graphene Liquid-Enclosure for Single-Molecule Analysis of Membrane Proteins in Whole Cells using Electron Microscopy,

Dahmke I. N., Verch A., Hermannsdoerfer J., Peckys D. B., Weatherup R. S.,Hofmann S., De Jonge N.,

ACS Nano, asap. (2017)..

174

Tunable Klein-like tunneling of high-temperature superconducting pairs into graphene,

Perconte D., Cuellar F. A., Moreau-Luchaire C., Piquemal-Banci M., Galceran R., Kidambi P. R., Martin M.-B., Hofmann S., Bernard R., Dlubak B., Seneor P., Villegas J. E.,

Nat. Phys., just accepted (2017).

173

Graphene-based nanolaminates as ultra-high permeation barriers,

Sagade A. A., Aria I. A., Edge S., Melgari P., Gieseking B., Bayer B. C., Meyer J. C., Bird D., Brewer P., Hofmann S.,

npj 2D Materials and Applications 1, 35 (2017).

172

Thz Nanoscopy Of Plasmonic Resonances With A Quantum Cascade Laser,

Degl’Innocenti R., Wallis R., Wei B., Xiao L., Kindness S. J., Mitrofanov O., Braeuninger-Weimer P., Hofmann S., Beere H. E., Ritchie D. A.,

ACS Photonics 4, 2150 (2017).

171

Mechanisms Of Titania Nanoparticle Mediated Growth Of Turbostratic Carbon Nanotubes And Nanofibers,

Kudo A., Steiner III S. A., Bayer B. C., Kidambi P. R., Hofmann S., Strano M. S.,Wardle B. L.,

J. Appl. Phys. 122, 014301 (2017).

170

Contactless Graphene Conductivity Mapping On A Wide Range Of Substrates With Terahertz Time-Domain Reflection Spectroscopy,

Lin H., Braeuninger-Weimer P., Kamboj V. S., Jessop D. S., Degl’Innocenti R., Beere H. E., Ritchie D. A., Zeitler J. A., Hofmann S.,

Sci. Reports 7, 10625 (2017).

169

From Growth Surface To Device Interface: Preserving Metallic Fe Under Monolayer Hexagonal Boron Nitride,

Caneva S., Martin M.-B., D’Arsie L., Aria I. A., Sezen H., Amati M., Gregoratti L.,Sugime H., Esconjauregui S., Robertson J., Hofmann S., Weatherup R. S.,

ACS Appl. Mater. Inter. 9, 29973 (2017).

168

External Amplitude And Frequency Modulation Of A Terahertz Quantum Cascade Laser Using Metamaterial/Graphene Devices,

Kindness S. J., Jessop D. S., Wei B., Wallis R., Kamboj V. S., Xiao L., Ren Y., Braeuninger-Weimer P., Aria I. A., Hofmann S., Beere H. E., Ritchie D. A., Degl’Innocenti R.,

Sci. Reports 7, 7657 (2017).

167

Geometrical Effect In 2D Nanopores,

Liu K., Lihter M., Sarathy A., Caneva S., Qiu H., Deiana D., Tileli V., Alexander D. T. L., Hofmann S., Dumcenco D., Kis A., Leburton J.-P., Radenovic A.,

Nano Lett. 17, 4223 (2017).

166

Mechanical Characterization And Cleaning Of Cvd Single-Layer h-BN Resonators,

Cartamil-Bueno S., Cavalieri M., Wang R., Houri S., Hofmann S., Van der Zant H.,

npj 2D Materials and Applications 1, 16 (2017).

165

Introducing Overlapping Grain Boundaries In Chemical Vapor Deposited Hexagonal Boron Nitride Monolayer Films,

Bayer B. C., Caneva S., Pennycook T. J., Kotakoski J., Mangler C., Hofmann S., Meyer J. C.,

ACS Nano 11, 4521 (2017).

164

Bolometric Detection Of Terahertz Quantum Cascade Lasers With Graphene-Plasmonic Antenna Arrays,

Degl’Innocenti R., Xiao L., Kindness S. J., Kamboj V. S., Wei B., Braeuninger-Weimer P., Nakanishi K., Aria I. A., Hofmann S., Beere H. E., Ritchie D. A.,

J. Phys. D: Appl. Phys. 50, 174001 (2017).

163

Raman Spectral Indicators Of Catalyst Decoupling For Transfer Of Cvd Grown 2d Materials,

Whelan P. R., Jessen B. S., Wang R., Luo B., Stoot A. C., Mackenzie D. M. A., Braeuninger-Weimer P., Jouvray A., Prager L., Camilli L., Hofmann S., Boggild P., Booth T. J.,

Carbon 117, 75 (2017).

162

Laser-Induced Reduction And In-Situ Optical Spectroscopy Of Individual Plasmonic Copper Nanoparticles For Catalytic Reactions,

Di Martino G., Turek V. A., Braeuninger-Weimer P., Hofmann S., Baumberg J. J.,

Appl. Phys. Lett. 110, 071111 (2017).

161

Extrinsic Cation Selectivity Of 2d Membranes,

Walker M. I., Ubych K., Saraswat V., Chalklen E. A., Braeuninger-Weimer P., Caneva S., Weatherup. R. S., Hofmann S., Keyser U. F.,

ACS Nano 11, 1340 (2017).

160

Robust Mapping Of Electrical Properties Of Graphene From Terahertz Time-Domain Spectroscopy With Timing Jitter Correction,

Whelan P. R., Iwaszczuk K., Wang R., Hofmann S., Boggild P., Jepsen P. U.,

Optics Express 25, 2725 (2017).

159

Stabilizing A Graphene Platform Toward Discrete Components,

Mzali S., Montanaro A., Xavier S., Servet B., Mazellier J.-P., Bezencenet O., Legagneux P., Piquemal-Banci M., Galceran R., Dlubak B., Seneor P., Martin M.-B., Hofmann S., Robertson J., Cojocaru C.-S., Centeno A., Zurutuza A.,

Appl. Phys. Lett. 109, 253110 (2016).

158

Understanding And Controlling Cu Catalyzed Graphene Nucleation: The Role Of Impurities, Roughness And Oxygen Scavenging,

Braeuninger-Weimer P., Brennan B., Pollard A. J., Hofmann S.,

Chem. Mater. 28, 8905 (2016).

157

Catalyst Interface Engineering for Improved 2D Film Lift-Off and Transfer,

Wang R., Whelan P. R., Braeuninger-Weimer P., Tappertzhofen S., Alexander-Webber J. A., Van-Veldhoven Z. A., Kidambi P. R., Jessen B. S., Booth T., Boggild P., Hofmann S.,

ACS Appl. Mater. Interfaces 8, 33072 (2016).

156

Encapsulation Of Graphene Transistors And Vertical Device Integration By Interface Engineering With Atomic Layer Deposited Oxide,

Alexander-Webber J. A., Sagade A. A., Aria I. A., Van-Veldhoven Z. A., Braeuninger-Weimer P., Wang R., Cabrero-Vilatela A., Martin M.-B., Sui J., Connolly M. R., Hofmann S.,

2D Mater. 4, 011008 (2016).

155

The Parameter Space of Atomic Layer Deposition of Ultra-Thin Oxides on Graphene,

Aria I. A., Nakanishi K., Xiao L., Braeuninger-Weimer P., Sagade A. A., Alexander-Webber J. A., Hofmann S.,

ACS Appl. Mater. Interfaces 8, 30564 (2016).

154

Fast Room Temperature Detection Of Terahertz Quantum Cascade Lasers With Graphene Loaded Bow-Tie Plasmonic Antenna Arrays,

Degl’Innocenti R., Xiao L., Jessop D. S., Kindness S. J., Ren Y., Lin H., Zeitler J. A., Alexander-Webber J. A., Joyce H. J., Braeuninger-Weimer P., Hofmann S., Beere H. E., Ritchie D. A.,

ACS Photonics 3, 1747 (2016).

153

In-situ Observations of Phase Transitions in Metastable Nickel(-Carbide)/Carbon Nanocomposites,

Bayer B. C., Bosworth D. A., Michaelis F. B., Blume R., Habler G., Abart R., Weatherup R. S., Kidambi P. R., Baumberg J. J., Knop-Gericke A., Schloegl R., Baehtz C., Barber Z. H., Meyer J. C., , Hofmann S.,

J. Phys. Chem. C 120, 22571 (2016).

152

In Situ Graphene Growth Dynamics on Polycrystalline Catalyst Foils,

Weatherup R. S., Shahani A. J., Wang Z.-J., Mingard K., Pollard A. J., Willinger M.-G., Schloegl R., Voorhees P. W., Hofmann S.

Nano Lett. 16, 6196 (2016).

151

Towards a Graphene-Based Low Intensity Photon Counting Photodetector,

Williams J. O. D., Alexander-Webber J. A., Lapington J. S., Roy M., Hutchinson I. B., Sagade A. A., Martin M.-B., Braeuninger-Weimer P., Cabrero-Vilatela A., Wang R., De Luca A., Udrea F., Hofmann S.,

Sensors 16, 1351 (2016).

150

Self-assembled oxide films with tailored nanoscale ionic and electronic channels for controlled resistive switching,

Cho S., Yun C., Tappertzhofen S., Kursumovic A., Lee S., Lu P., Jia Q., Fan M., Jian J., Wang H., Hofmann S., MacManus-Driscoll J. L.,

Nature Comm. 7, 12373 (2016).

149

Electronic properties of CVD graphene: The role of grain boundaries, atmospheric doping and encapsulation by ALD

Van Veldhoven Z. A., Alexander-Webber J. A., Sagade A. A., Braeuninger-Weimer P., Hofmann S.,

Phys. Status Solidi B 253, 2321 (2016).

148

Controlling nanowire growth through electric field-induced deformation of the catalyst droplet,

Panciera F., Norton M. M., Alam S. B., Hofmann S., Molhave K., Ross F. M.,

Nature Comm. 7, 12271 (2016).

147

Measuring the Nonlinear Refractive Index of Graphene using the Optical Kerr Effect Method,

Dremetsika E., Dlubak B., Gorza S.-P., Ciret C., Martin M.-B., Hofmann S., Seneor P.,Dolfi D., Massar S., Emplit P., Kockaert P.,

Optics Letters 41, 3281 (2016).

146

Atmospheric pressure X-ray photoelectron spectroscopy apparatus: Bridging the pressure gap,

Velasco-Velez J. J., Pfeifer V., Haevecker M., Wang R., Centeno A., Zurutuza A., Algara-Siller, Stotz E., Skorupska K., Teschner D., Kube P., Braeuninger-Weimer P., Hofmann S., Schloegl R., Knop-Gericke A.,

Rev. Sci. Instrum. 87, 053121 (2016).

145

Graphene based plasmonic terahertz amplitude modulator operating above 100 MHz

Jessop D. S., Kindness S. J., Xiao L., Braeuninger-Weimer P., Lin H., Ren Y., Ren C. X., Hofmann S., Zeitler J. A., Beere H. E., Ritchie D. A., Degl’Innocenti R.,

Appl. Phys. Lett. 108, 171101 (2016).

144

Thirty Gigahertz Optoelectronic Mixing in Chemical Vapor Deposited Graphene,

Montanaro A., Mzali S., Mazellier J.-P., Bezencenet O., Larat C., Molin S., Morvan L., Legagneux P., Dolfi D., Dlubak B., Seneor P., Martin M.-B., Hofmann S., Robertson J., Centeno A., Zurutuza A.,

Nano Lett. 16, 2988 (2016).

143

Magnetic tunnel junctions with monolayer hexagonal boron nitride tunnel barriers,

Piquemal-Banci M., Galceran R., Caneva S., Martin M.-B., Weatherup R. S., Kidambi P. R., Bouzehouane K., Xavier S., Anane A., Petroff F., Fert A., Robertson J., Hofmann S., Dlubak B., Seneor P.,

Appl. Phys. Lett. 108, 102404 (2016).

142

Fast modulation of terahertz quantum cascade lasers using graphene loaded plasmonic antennas,

Degl’Innocenti R., Jessop D., Sol C. O. W., Xiao L., Kindness S. J., Lin H., Zeitler J. A., Braeuninger-Weimer P., Hofmann S., Yen R., Kamboji V. S., Griffiths J. P., Beere H. E., Ritchie D. A.,

ACS Photonics 3, 464 (2016).

141

Controlling Catalyst Bulk Reservoir Effects for Monolayer Hexagonal Boron Nitride CVD,

Caneva S., Weatherup R. S., Bayer B. C., Blume R., Cabrero-Vilatela A., Braeuninger-Weimer P., Martin M.-B., Wang R., Baehtz C., Schloegl. R., Meyer J. C., Hofmann S.,

Nano Lett. 16, 1250 (2016).

140

Time Evolution of the Wettability of Supported Graphene under Ambient Air Exposure,

Aria I. A., Kidambi P. R., Weatherup R. S., Xiao L., Williams J. A., Hofmann S.,

J. Phys. Chem. C 120, 2215 (2016).

139

Understanding Capacitance Variation in Sub-nanometer Pores by in Situ Tuning of Interlayer Constrictions,

Galhena D. T. L., Bayer B. C., Hofmann S., Amaratunga G. A. J.,

ACS Nano 10, 747 (2016).

138

Interface dynamics and crystal phase switching in GaAs nanowires,

Jacobsson D., Panciera F., Tersoff J., Reuter M. C., Lehmann S., Hofmann S., Dick K. A., Ross F. M.,

Nature 531, 317 (2016).

137

Towards a general growth model for graphene CVD on transition metal catalysts,

Cabrero-Vilatela A., Weatherup R. S., Braeuninger-Weimer P., Caneva S., Hofmann S.

Nanoscale 8, 2149 (2016).

136

Nanoscale plasmon-enhanced spectroscopy in memristive switches,

Di Martino G., Tappertzhofen S., Hofmann S., Baumberg J. J.,

Small 12, 1334 (2015).

135

Measuring the Proton Selectivity of Graphene Membranes,

Walker M. I., Braeuninger-Weimer P., Weatherup. R. S., Hofmann S., Keyser U. F.,

Appl. Phys. Lett. 107, 213104 (2015).

134

Controlling nanowire growth by light,

Di Martino G., Michaelis F. B., Salmon A. R., Hofmann S., Baumberg J. J.,

Nano Lett. 15, 7452 (2015).

133

Long-Term Passivation of Strongly Interacting Metals with Single-Layer Graphene,

Weatherup R. S., D’Arsie L., Cabrero-Vilatela A., Caneva S., Blume R., Robertson J., Schloegl R., Hofmann S.

JACS 137, 14358 (2015).

132

Hybrid Graphene Nematic Liquid Crystal Light Scattering Device,

Qasim M. M., Khan A. A., Kostanyan A., Kidambi P. R., Braeuninger-Weimer P.,Cabrero-Vilatela A., Gardiner D. J., Hofmann S., Wilkinson T. D.,

Nanoscale 7, 14114 (2015).

131

Engineering high charge transfer n-doping of graphene electrodes and its application to organic electronics,

Sanders S., Cabrero-Vilatela A., Kidambi P. R., Alexander-Webber J. A., Weijtens C., Braeuninger-Weimer P., Aria. A. I., Qasim M. M., Wilkinson T. D., Robertson J., Hofmann S., Meyer J.,

Nanoscale 7, 13135 (2015).

130

Synthesis of nanostructures in nanowires using sequential catalyst reactions,

Panciera F., Chou Y.-C., Reuter M. C., Zakharov D., Stach E. A., Hofmann S., Ross F. M.,

Nature Materials 14, 820 (2015).

129

Protecting nickel with graphene spin-filtering membranes: A single layer is enough,

Martin M.-B., Dlubak B., Weatherup R. S., Piquemal M., Yang H., Blume R., Schloegl R., Collin S., Petroff F., Hofmann S., Robertson J., Anane A., Fert A., Seneor P.,

Appl. Phys. Lett. 107, 012408 (2015).

128

Graphene and chiral nematic liquid crystals: a focus on lasing,

Khan A. A., Kamarudin M. A., Kidambi P. R., Hofmann S., Wilkinson T. W., Qasim M. M.,

RSC Advances 5, 57437 (2015).

127

CVD-Enabled Graphene Manufacture and Technology,

Hofmann S., Braeuninger-Weimer P., Weatherup R.S.,

J. Phys. Chem. Lett. 6, 2714 (2015).

126

Nucleation Control for Large, Single Crystalline Domains of Monolayer Hexagonal Boron Nitride via Si-Doped Fe Catalysts,

Caneva S., Weatherup R. S., Bayer B. C., Brennan B., Spencer S. J., Mingard K., Cabrero-Vilatela A., Baehtz C., Pollard A. J., Hofmann S.,

Nano Lett. 15, 1867 (2015).

125

Effects of PMMA-transfer residues on the growth of organic semiconductor molecules on CVD graphene,

Kratzer M., Bayer B. C., Kidambi P. R., Matkovic A., Gajic R., Cabrero-Vilatela- A., Weatherup R. S., , Hofmann S., Teichert C.,

Appl. Phys. Lett. 106, 103101 (2015).

124

Multifunctional oxides for integrated manufacturing of efficient graphene electrodes for organic electronics,

Kidambi P. R., Weijtens C., Robertson J., Hofmann S., Meyer J.,

Appl. Phys. Lett. 106, 063304 (2015).

123

Influence of Packing Density and Surface Roughness of Vertically-Aligned Carbon Nanotubes on Adhesive Properties of Gecko-Inspired Mimetics,

Chen B., Zhong G., Goldberg-Oppenheimer P., Zhang C., Tornatzky H., Esconjauregui S., Hofmann S., Robertson J.,

ACS Appl. Mater. Interfaces 7, 3626 (2015).

122

Engineered pixels using active plasmonic holograms with liquid crystals,

Williams C., Montelongo Y., Tenorio-Pearl J. O., Cabrero-Vilatela A., Hofmann S., Milne W. I., Wilkinson T. D.,

Phys. Status Solidi RRL 9, 125 (2015).

121

Graphene based Ultra-Thin Flat Lenses,

Kong X.-T., Khan A. A., Kidambi P. R., Deng S., Yetisen A. K., Dlubak B., Hiralal P., Montelongo Y., Bowen J., Xavier S., Jiang K., Amaratunga G. A. J., Hofmann S., Wilkinson T. D., Dai Q., Butt H.,

ACS Photonics 2, 200 (2015).

120

Free-Standing Graphene Membranes On Glass Nanopores For Ionic Current Measurements,

Walker M. I., Weatherup. R. S., Bell N. A. W., Hofmann S., Keyser U. F.,

Appl. Phys. Lett. 106, 023119 (2015).

119

CVD Growth of Carbon Nanostructures from Zirconia: Mechanisms and a Method for Enhancing Yield,

Kudo A., Steiner III S. A., Bayer B. C., Kidambi P. R., Hofmann S., Strano M. S., Wardle B. L.

JACS 136, 17808 (2014).

118

The influence of intercalated oxygen on the properties of graphene on polycrystalline Cu under various environmental conditions,

Blume R., Kidambi P. R., Bayer B. C., Weatherup R. S., Wang Z.-J., Weinberg G.,Willinger M.-G., Greiner M., Hofmann S., Knop-Gericke A., Schloegl R.,

Phys. Chem. Chem. Phys. 16, 25989 (2014).

117

In-situ observations during chemical vapor deposition of hexagonal boron nitride on polycrystalline copper,

Kidambi P. R., Blume R., Kling J., Wagner J. B., Baehtz C., Weatherup R. S., Schloegl R., Bayer B. C., Hofmann S.,

Chem. Mater. 26, 6380 (2014).

116

Low temperature growth of carbon nanotubes on tetrahedral amorphous carbon using Fe-Cu catalyst,

Cartwright R. J., Esconjauregui S., Hardeman D., Bhardwaj S., Weatherup R. S., Guo Y., D’Arsie L., Bayer B. C., Kidambi P. R., Hofmann S., Wright E., Clarke J., Oakes D.,Cepek C., Robertson J.,

Carbon 81, 639 (2015).

115

Nitrogen controlled iron catalyst phase during carbon nanotube growth,

Bayer B. C., Baehtz C., Kidambi P. R., Weatherup. R. S., Mangler C., Kotakoski J.,Goddard C. J. L., Caneva S., Cabrero-Vilatela A., Meyer J. C., Hofmann S.

Appl. Phys. Lett. 105, 143111 (2014).

114

Interdependency of Subsurface Carbon Distribution and Graphene-Catalyst Interactions,

Weatherup R. S., Amara H., Blume R., Dlubak B., Bayer B. C., Diarra M., Bahri M., Cabrero-Vilatela A., Caneva S., Kidambi P. R., Martin M.-B., Deranlot C., Seneor P., Schloegl R., Ducastelle F., Bichara C., Hofmann S.,

JACS 136, 13698 (2014).

113

Atomic layer deposition of sub-nanometer thin oxide barriers for magnetic tunnel junctions,

Martin M.-B., Dlubak B., Weatherup R. S., Yang H., Deranlot C., Bouzehouane K.,Petroff F., Anane A., Hofmann S., Robertson J., Fert A., Seneor P.,

ACS Nano 8, 7890 (2014).

112

Organic light emitting diodes with environmentally and thermally stable doped graphene electrodes ,

Kuruvila A., Kidambi P. R., Kling J., Wagner J. B., Robertson J., Hofmann S., Meyer J.,

J. Mater. Chem. C 2, 6940 (2014).

111

Metal Oxide Induced Charge Transfer Doping and Band Alignment of Graphene Electrodes for Efficient Organic Light Emitting Diodes,

Meyer J., Kidambi P. R., Bayer B. C., Weijtens C., Kuhn A., Centeno A., Pesquera A., Zurutuza A., Robertson J., Hofmann S.,

Scientific Reports 4, 5380 (2014).

110

Terahertz optical modulator based on metamaterial split-ring resonators and graphene,

Degl’Innocenti R., Jessop D. S., Shah Y. D., Sibik J., Zeitler J. A., Kidambi P. R.,Hofmann S., Beere H. E., Ritchie D.,

Optical Engineering 53, 057108 (2014).

109

The role of the sp2:sp3 substrate content in carbon supported nanotube growth,

Cartwright R. J., Esconjauregui S., Weatherup R. S., Hardeman D., Guo Y., Wright E., Oakes D., Hofmann S., Robertson J.,

Carbon 75, 327 (2014).

108

Co-catalytic absorption layers for controlled laser induced chemical vapor deposition of carbon nanotubes,

Michaelis F. B., Weatherup R. S., Bayer B. C., Bock M. C. D., Sugime H., Caneva S., Robertson J., Baumberg J. J., Hofmann S.,

ACS Appl. Mater. Interfaces 6, 4025 (2014).

107

Binder free three-dimensional sulphur/few-layer graphene foam cathode with enhanced high-rate capability for rechargeable lithium sulphur batteries,

Xi K., Kidambi P. R., Chen R., Gao C., Peng X., Ducati C., Hofmann S., Kumar R. V.,

Nanoscale 6, 5746 (2014).

106

Twin Plane Re-entrant Mechanism for Catalytic Nanowire Growth,

Gamalski A. D., Voorhees P. W., Ducati C., Sharma R., Hofmann S.,

Nano Lett. 14, 1288 (2014).

105

Low-Bias THz Amplitude Modulator Based on Split-Ring Resonators and Graphene,

Degl’Innocenti R., Jessop D. S., Shah Y. D., Sibik J., Zeitler J. A., Kidambi P. R., Hofmann S., Beere H. E., Ritchie D.,

ACS Nano 8, 2548 (2014).

104

Effect of Catalyst Pre-Treatment on Chirality Selective Growth of Single-Walled Carbon Nanotubes,

Fouquet M., Bayer B. C., Esconjauregui S., Thomsen C., Hofmann S., Robertson J.

J. Phys. Chem C 118, 5773 (2014).

103

Revealing Lithium–silicide Phase Transformations in Nano-structured Silicon-based Lithium Ion Batteries via in situ NMR Spectroscopy,

Ogata K., Salager E., Kerr C. J., Fraser A. E., Ducati C., Morris A.J., Hofmann S., Grey C. P.

Nature Comm. 5, 3217 (2014).

102

Bio-Inspired Hierarchical Polymer Fibre-Carbon Nanotube Adhesives,

Z. Rong, Y. Zhou, B. Chen, J. Robertson, W. Federle, S. Hofmann, U. Steiner, P. Goldberg-Oppenheimer

Adv. Mat. 26, 1456 (2014).

101

Observing Graphene Grow: Catalyst-graphene Interactions During Scalable Graphene Growth on Polycrystalline Copper.

P. R. Kidambi, B. C. Bayer, R. Blume, Z.-J. Wang, C. Baehtz, R. S. Weatherup, M.-G. Willinger, R. Schloegl, S. Hofmann

Nano Lett 13, 4769 (2013).

100

Introducing Carbon Diffusion Barriers for Uniform, High Quality Graphene Growth from Solid Sources,

R. S. Weatherup, C. Baehtz, B. Dlubak, B.C. Bayer, P.R. Kidambi, R. Blume, R. Schloegl, S. Hofmann

Nano Lett 13, 4624 (2013).

099

Intrinsic Terahertz Plasmon Signatures in Chemical Vapour Deposited Graphene,

S. Badhwar, J. Sibik, P. R. Kidambi, H. E. Beere, J. A. Zeitler, S. Hofmann, D. A. Ritchie

Appl. Phys. Lett. 103, 121110 (2013).

098

Visible diffraction from graphene and its application in holograms,

H. Butt, P.R. Kidambi, B. Dlubak, Y. Montelongo, A. Palani, G.A.J. Amaratunga, S. Hofmann, T.D. Wilkinson

Adv. Opt. Mat. 1, 869 (2013).

097

In situ Observations of the Atomistic Mechanisms of Ni Catalyzed Low Temperature Graphene Growth.

L. L. Patera, C. Africh, R. S. Weatherup, R. Blume, S. Bhardwaj, C. Castellarin-Cudia, A. Knop-Gericke, R. Schloegl, G. Comelli, S. Hofmann, C. Cepek.

ACS Nano 7, 7901 (2013).

096

Catalyst Composition and Impurity-Dependent Kinetics of Nanowire Heteroepitaxy,

A.D. Gamalski, D.E. Perea, J. Yoo, N. Li, M.J. Olszta, R. Colby, D.K. Schreiber, C. Ducati, S.T. Picraux, S. Hofmann.

ACS Nano 7, 7689 (2013).

095

Transient reflectivity on vertically aligned single-wall carbon nanotubes,

G. Galimberti, S. Ponzoni, G. Ferrini, S. Hofmann, M. Arshad, C. Cepek, S. Pagliara,

Thin Solid Films 543, 51 (2013).

094

High-density remote plasma sputtering of high-dielectric-constant amorphous hafnium oxide films,

F.M. Li, B.C. Bayer, S. Hofmann, S.P. Speakman, C. Ducati, W.I. Milne, A.J. Flewitt,

Phys. Stat. Sol. B 250, 957 (2013).

093

Probing the Electronic Structure of Multi-Walled Carbon Nanotubes by Transient Optical Transmittivity.

G. Galimberti, S. Ponzoni, A. Cartella, M.T. Cole, S. Hofmann, C. Cepek, G. Ferrini and S. Pagliara

Carbon 57, 50 (2013).

092

Elastic Properties of Crystalline–Amorphous Core–Shell Silicon Nanowires.

S. Khachadorian, K. Papagelis, K. Ogata, S. Hofmann, M.R. Phillips and C. Thomsen

J. Phys. Chem. C 117, 4219 (2013).

091

Tantalum-oxide catalysed chemical vapour deposition of single-and multi-walled carbon nanotubes.

B.C. Bayer, C. Castellarin-Cudia, R. Blume, S.A. Steiner III, C. Ducati, D. Chu, A. Goldoni, A. Knop-Gericke, R. Schlogl, C. Cepek, J. Robertson, S. Hofmann

RSC Advances 3, 4086 (2013).

090

The Phase of Iron Catalyst Nanoparticles during Carbon Nanotube Growth.

C.T. Wirth, B.C. Bayer, A.D. Gamalski, S. Esconjauregui, R.S. Weatherup, C. Ducati, C. Baehtz, J. Robertson and S. Hofmann

Chem. Mater. 24, 4633 (2012).

089

Kinetic Control of Catalytic CVD for High-Quality Graphene at Low Temperatures.

R.S. Weatherup, B. Dlubak and S. Hofmann

ACS Nano 6, 9996 (2012).

088

Chemical vapor deposition of carbon nanotube forests.

J. Robertson, G. Zhong, S. Esconjauregui, C. Zhang, M. Fouquet and S. Hofmann

Phys. Stat. Sol. B 249, 2315 (2012).

087

Optimized Vertical Carbon Nanotube Forests for Multiplex Surface-Enhanced Raman Scattering Detection.

P. Goldberg-Oppenheimer, T. Hutter, B. Chen, J. Robertson, S. Hofmann and S. Mahajan

J. Phys. Chem. Lett. 3, 3486 (2012).

086

The Parameter Space of Graphene Chemical Vapor Deposition on Polycrystalline Cu.

P.R. Kidambi, C. Ducati, B. Dlubak, D. Gardiner, R.S. Weatherup, M.-B. Martin, P. Seneor, H. Coles and S. Hofmann

J. Phys. Chem. C 116, 22492 (2012).

085

Graphene-Passivated Nickel as an Oxidation-Resistant Electrode for Spintronics.

B. Dlubak, M. Martin, R.S. Weatherup, H. Yang, C. Deranlot, R. Blume, R. Schlögl, A. Fert, A. Anane, S. Hofmann and P. Seneor

ACS Nano 6, 10930 (2012).

084

Flexible Electronics: The Next Ubiquitous Platform.

A. Nathan, A. Ahnood, M.T. Cole, Y. Suzuki, P. Hiralal, F. Bonaccorso, T. Hasan, L. Garcia-Gancedo, A. Dyadyusha, S. Haque, P. Andrew, S. Hofmann, J. Moultrie, A.J. Flewitt, A.C. Ferrari, M.J. Kelly, J. Robertson, G.A.J. Amaratunga and W.I. Milne

Proceedings of the IEEE 100, 1486 (2012).

083

Synthesis of carbon nanotubes and graphene for VLSI interconnects.

J. Robertson, G. Zhong, S. Esconjauregui, C. Zhang and S. Hofmann

Microelectronic Engineering 107, 210 (2012).

082

Highly chiral-selective growth of single-walled carbon nanotubes with a simple monometallic Co catalyst.

M. Fouquet, B.C. Bayer, S. Esconjauregui, R. Blume, J.H. Warner, S. Hofmann, R. Schlögl, C. Thomsen and J. Robertson

Phys. Rev. B 85, 235411 (2012).

081

Plasma stabilisation of metallic nanoparticles on silicon for the growth of carbon nanotubes.

S. Esconjauregui, C. Cepek, M. Fouquet, B.C. Bayer, A.D. Gamalski, B. Chen, R. Xie, S. Bhardwaj, C. Ducati, S. Hofmann and J. Robertson

J. Appl. Phys. 112, 034303 (2012).

080

Adhesive Properties of Gecko-Inspired Mimetic via Micro-Patterned Carbon Nanotube Forests.

B. Chen, P. Goldberg-Oppenheimer, T.A. V. Shean, C.T. Wirth, S. Hofmann and J. Robertson

J. Phys. Chem. C 116, 20047 (2012).

079

Indirect Modulation of a Terahertz Quantum Cascade Laser Using Gate Tunable Graphene.

S. Badhwar, R. Puddy, P.R. Kidambi, J. Sibik, A. Brewer, J.R. Freeman, H.E. Beere, S. Hofmann, J.A. Zeitler and D.A. Ritchie

IEEE Photonics 4, 1776 (2012).

078

Metastable Crystalline AuGe Catalysts Formed During Isothermal Germanium Nanowire Growth.

A.D. Gamalski, J. Tersoff, R. Sharma, C. Ducati and S. Hofmann

Phys. Rev. Lett. 108, 255702 (2012).

077

Substrate-assisted nucleation of ultra-thin dielectric layers on graphene by atomic layer deposition.

B. Dlubak, P.R. Kidambi, R.S. Weatherup, S. Hofmann and J. Robertson

Appl. Phys. Lett. 100, 173113 (2012).

076

On the mechanisms of Ni-catalysed graphene chemical vapour deposition.

R.S. Weatherup, B.C. Bayer, R. Blume, C. Baehtz, P.R. Kidambi, M. Fouquet, C.T. Wirth, R. Schlögl and S. Hofmann

ChemPhysChem 13, 2544 (2012).

075

Complementary metal-oxide-semiconductor-compatible and self-aligned catalyst formation for carbon nanotube synthesis and interconnect fabrication.

C. Zhang, F. Yan, B.C. Bayer, R. Blume, M.H. van der Veen, R. Xie, G. Zhong, B. Chen, A. Knop-Gericke, R. Schlögl, B.D. Capraro, S. Hofmann and J. Robertson

J. Appl. Phys. 111, 064310 (2012).

074

Applications of Carbon Nanotubes Grown by Chemical Vapor Deposition.

J. Robertson, G. Zhong, S. Esconjauregui, B.C. Bayer, C. Zhang, M. Fouquet and S. Hofmann

Jap. J. Appl. Phys. 51, 01AH01 (2012).

073

Stretched Contact Printing of One-Dimensional Nanostructures for Hybrid Inorganic–Organic Field Effect Transistors.

G.-W. Hsieh, J. Wang, K. Ogata, J. Robertson, S. Hofmann and W.I. Milne

J. Phys. Chem. C 116, 7118 (2012).

072

Optical feedback mechanisms in laser induced growth of carbon nanotube forests.

M.C.D. Bock, R. Denk, C.T. Wirth, P. Goldberg-Oppenheimer, S. Hofmann and J.J. Baumberg

Appl. Phys. Lett. 100, 013112 (2012).

071

Co-Catalytic Solid-State Reduction applied to Carbon Nanotube Growth.

B.C. Bayer, M. Fouquet, R. Blume, C.T. Wirth, R.S. Weatherup, K. Ogata, A. Knop-gericke, R. Schlögl, S. Hofmann and J. Robertson

J. Phys. Chem. C 116, 1107 (2012).

070

In situ characterization of alloy catalysts for low-temperature graphene growth.

R.S. Weatherup, B.C. Bayer, R. Blume, C. Ducati, C. Baehtz, R. Schlögl and S. Hofmann

Nano Lett. 11, 4154 (2011).

069

Transport measurements on carbon nanotubes structurally characterized by electron diffraction.

C.S. Allen, M.D. Elkin, G. Burnell, B.J. Hickey, C. Zhang, S. Hofmann and J. Robertson

Phys. Rev. B 84, 115444 (2011).

068

The photoinduced charge transfer mechanism in aligned and unaligned carbon nanotubes.

G. Galimberti, S. Pagliara, S. Ponzoni, S. Dal Conte, F. Cilento, G. Ferrini, S. Hofmann, M. Arshad, C. Cepek and F. Parmigiani

Carbon 49, 5246 (2011).

067

Ni-Silicide growth kinetics in Si and Si/SiO 2 core/shell nanowires.

K. Ogata, E. Sutter, X. Zhu and S. Hofmann

Nanotechnology 22, 365305 (2011).

066

Hafnia nanoparticles - a model system for graphene growth on a dielectric.

P.R. Kidambi, B.C. Bayer, R.S. Weatherup, R. Ochs, C. Ducati, D.V. Szabó and S. Hofmann

Phys. Stat. Sol. RRL 5, 341 (2011).

065

In-situ study of growth of carbon nanotube forests on conductive CoSi2 support.

B.C. Bayer, C. Zhang, R. Blume, F. Yan, M. Fouquet, C.T. Wirth, R.S. Weatherup, L. Lin, C. Baehtz, R.A. Oliver, A. Knop-Gericke, R. Schlögl, S. Hofmann and J. Robertson

J. Appl. Phys. 109, 114314 (2011).

064

Temperature dependent resistance and cryogenic microwave spectroscopy of Au decorated silicon nanowires.

X. Zhu, D.G. Hasko, S. Hofmann and W.I. Milne

J. Appl. Phys. 109, 113713 (2011).

063

Use of plasma treatment to grow carbon nanotube forests on TiN substrate.

S. Esconjauregui, B.C. Bayer, M. Fouquet, C.T. Wirth, F. Yan, R. Xie, C. Ducati, C. Baehtz, C. Castellarin-Cudia, S. Bhardwaj, C. Cepek, S. Hofmann and J. Robertson

J. Appl. Phys. 109, 114312 (2011).

062

High-k (k=30) amorphous hafnium oxide films from high rate room temperature deposition.

F.M. Li, B.C. Bayer, S. Hofmann, J.D. Dutson, S.J. Wakeham, M.J. Thwaites, W.I. Milne and A.J. Flewitt

Appl. Phys. Lett. 98, 252903 (2011).

061

Direct measurement of the charge distribution along a biased carbon nanotube bundle using electron holography.

M. Beleggia, T. Kasama, R.E. Dunin-Borkowski, S. Hofmann and G. Pozzi

Appl. Phys. Lett. 98, 243101 (2011).

060

Carbon nanotube forest growth on NiTi shape memory alloy thin films for thermal actuation.

B.C. Bayer, S. Sanjabi, C. Baehtz, C.T. Wirth, S. Esconjauregui, R.S. Weatherup, Z.H. Barber, S. Hofmann and J. Robertson

Thin Solid Films 519, 6126 (2011).

059

Nanostructured hematite photoelectrochemical electrodes prepared by the low temperature thermal oxidation of iron.

P. Hiralal, S. Saremi-Yarahmadi, B.C. Bayer, H. Wang, S. Hofmann, K.G. Upul Wijayantha and G.A.J. Amaratunga

Sol. Energy Mat. Sol. Cells 95, 1819 (2011).

058

Support-Catalyst-Gas Interactions during Carbon Nanotube Growth on Metallic Ta Films.

B.C. Bayer, S. Hofmann, R. Blume, C. Baehtz, S. Esconjauregui, C.T. Wirth, R.A. Oliver, C. Ducati, R. Schlögl, A. Goldoni, C. Cepek and J. Robertson

J. Phys. Chem. C 115, 4359 (2011).

057

Cyclic Supersaturation and Triple Phase Boundary Dynamics in Germanium Nanowire Growth.

A.D. Gamalski, C. Ducati and S. Hofmann

J. Phys. Chem. C 115, 4413(2011).

056

Manipulation of the catalyst-support interactions for inducing nanotube forest growth.

S. Esconjauregui, M. Fouquet, B.C. Bayer, S. Eslava, S. Khachadorian, S. Hofmann and J. Robertson

J. Appl. Phys. 109, 044303 (2011).

055

Dynamic catalyst restructuring during carbon nanotube growth.

M. Moseler, F. Cervantes-Sodi, S. Hofmann, G. Csanyi and A.C. Ferrari

ACS Nano 4, 7587 (2010).

054

Analysis of carbon nanotube chiralities obtained from a bimetallic Co-Mo catalyst.

M. Fouquet, S. Hofmann, C. Thomsen and J. Robertson

Phys. Stat. Sol. B 247, 2660 (2010).

053

Growth of ultrahigh density vertically aligned carbon nanotube forests for interconnects.

S. Esconjauregui, M. Fouquet, B.C. Bayer, C. Ducati, R. Smajda, S. Hofmann and J. Robertson

ACS Nano 4, 7431 (2010).

052

Formation of metastable liquid catalyst during subeutectic growth of germanium nanowires.

A.D. Gamalski, J. Tersoff, R. Sharma, C. Ducati and S. Hofmann

Nano Lett. 10, 2972 (2010).

051

Growth of vertically-aligned carbon nanotube forests on conductive cobalt disilicide support.

C. Zhang, F. Yan, C.S. Allen, B.C. Bayer, S. Hofmann, B.J. Hickey, D. Cott, G. Zhong and J. Robertson

J. Appl. Phys. 108, 024311 (2010).

050

Stable colloidal Co-Pd nanocatalysts for carbon nanotube growth.

A. Berenguer, M. Cantoro, V.B. Golovko, S. Hofmann, C.T. Wirth, B.F.G. Johnson and J. Robertson

Phys. Stat. Sol. B 246, 2436 (2009).

049

Diffusion- And Reaction-Limited Growth Of Carbon Nanotube Forests,

Wirth C. T., Zhang C., Zhong G., Hofmann S., Robertson J.,

ACS Nano 3, 3560 (2009).

048

Growth of high-density vertically aligned arrays of carbon nanotubes by plasma-assisted catalyst pretreatment.

S. Esconjauregui, B.C. Bayer, M. Fouquet, C.T. Wirth, C. Ducati, S. Hofmann and J. Robertson

Appl. Phys. Lett. 95, 173115 (2009).

047

Acetylene: a key growth precursor for single-walled carbon nanotube forests.

G. Zhong, S. Hofmann, F. Yan, H. Telg, J.H. Warner, D. Eder, C. Thomsen, W.I. Milne and J. Robertson

J. Phys. Chem. C 113, 17321 (2009).

046

Nanoscale zirconia as a nonmetallic catalyst for graphitization of carbon and growth of single-and multiwall carbon nanotubes.

S.A. Steiner, T. Baumann, B.C. Bayer, R. Blume, M.A. Worsley, S. Hofmann and R. Schlögl

JACS 131, 12144 (2009).

045

State of the catalyst during carbon nanotube growth.

C.T. Wirth, S. Hofmann and J. Robertson

Diam. Rel. Mat. 18, 940 (2009).

044

Use of carbon nanotubes for VLSI interconnects.

J. Robertson, G. Zhong, S. Hofmann, B.C. Bayer, S. Esconjauregui, H. Telg and C. Thomsen

Diam. Rel. Mat. 18, 957 (2009).

043

Plasma restructuring of catalysts for chemical vapor deposition of carbon nanotubes.

M. Cantoro, S. Hofmann, C. Mattevi, S. Pisana, A. Parvez, a. Fasoli, C. Ducati, V. Scardaci, A.C. Ferrari and J. Robertson

J. Appl. Phys. 105, 064304 (2009).

042

State of transition metal catalysts during carbon nanotube growth.

S. Hofmann, R. Blume, C.T. Wirth, M. Cantoro, R. Sharma, C. Ducati, M. Ha, S. Zafeiratos, P. Schnoerch, A. Oestereich, D. Teschner, M. Albrecht, A. Knop-gericke, R. Schlögl and M. Hävecker

J. Phys. Chem. C 113, 1648(2009).

041

Structure and growth mechanism of ZnSe nanowires.

J. Basu, R. Divakar, J. Nowak, S. Hofmann, A. Colli, a. Franciosi and C.B. Carter

J. Appl. Phys. 104, 064302 (2008).

040

Controlling the catalyst during carbon nanotube growth.

J. Robertson, S. Hofmann, M. Cantoro, A. Parvez, C. Ducati, G. Zhong, R. Sharma and C. Mattevi

J. Nanosci. Nanotech. 8, 6105 (2008).

039

In-situ X-ray Photoelectron Spectroscopy Study of Catalyst- Support Interactions and Growth of Carbon Nanotube Forests.

C. Mattevi, C.T. Wirth, S. Hofmann, R. Blume, M. Cantoro, C. Ducati, C. Cepek, A. Knop-Gericke, S. Milne, C. Castellarin-Cudia, S. Dolafi, A. Goldoni, R. Schlögl and J. Robertson

J. Phys. Chem. C 112, 12207 (2008).

038

Ledge-flow-controlled catalyst interface dynamics during Si nanowire growth.

S. Hofmann, R. Sharma, C.T. Wirth, F. Cervantes-Sodi, C. Ducati, T. Kasama, R.E. Dunin-Borkowski, J. Drucker, P. Bennett and J. Robertson

Nature Mat. 7, 372 (2008).

037

Design of gas diffusion electrodes using nanocarbon.

M. Soehn, M. Lebert, C.T. Wirth, S. Hofmann and N. Nicoloso

J. Power Sources 176, 494 (2008).

036

Surface properties of vertically aligned carbon nanotube arrays.

C.T. Wirth, S. Hofmann and J. Robertson

Diam. Rel. Mat. 17, 1518 (2008).

035

Enhanced subthreshold slopes in large diameter single wall carbon nanotube field effect transistors.

S. Pisana, C. Zhang, C. Ducati, S. Hofmann and J. Robertson

IEEE Trans. Nanotech. 7, 458 (2008).

034

Growth of aligned millimeter-long carbon nanotube by chemical vapor deposition.

C. Zhang, S. Pisana, C.T. Wirth, A. Parvez, C. Ducati, S. Hofmann and J. Robertson

Diam. Rel. Mat. 17, 1447 (2008).

033

Surface-bound chemical vapour deposition of carbon nanotubes: In situ study of catalyst activation.

C. Mattevi, S. Hofmann, M. Cantoro, A.C. Ferrari, J. Robertson, C. Castellarin-Cudia, S. Dolafi, A. Goldoni and C. Cepek

Physica E 40, 2238 (2008).

032

Flying and Crawling Modes during Surface-Bound Single Wall Carbon Nanotube Growth.

S. Pisana, A. Jungen, C. Zhang, A.M. Blackburn, R. Sharma, F. Cervantes-Sodi, C. Stampfer, C. Ducati, A.C. Ferrari, C. Hierold, J. Robertson and S. Hofmann

J. Phys. Chem. C 111, 17249 (2007).

031

Thermal and chemical vapor deposition of Si nanowires: Shape control, dispersion, and electrical properties.

A. Colli, A. Fasoli, P. Beecher, P. Servati, S. Pisana, Y.Q. Fu, A.J. Flewitt, W.I. Milne, J. Robertson, C. Ducati, S. De Franceschi, S. Hofmann and A.C. Ferrari

J. Appl. Phys. 102, 034302 (2007).

030

In-situ observations of catalyst dynamics during surface-bound carbon nanotube nucleation.

S. Hofmann, R. Sharma, C. Ducati, G. Du, C. Mattevi, C. Cepek, M. Cantoro, S. Pisana, A. Parvez, F. Cervantes-Sodi, A.C. Ferrari, R.E. Dunin-Borkowski, S. Lizzit, L. Petaccia, A. Goldoni and J. Robertson

Nano Lett. 7, 602 (2007).

029

Synthesis of individual single-walled carbon nanotube bridges controlled by support micromachining.

A. Jungen, S. Hofmann, J.C. Meyer, C. Stampfer, S. Roth, J. Robertson and C. Hierold

J. Micromech. Microeng. 17, 603 (2007).

028

Scalable silicon nanowire photodetectors.

P. Servati, A. Colli, S. Hofmann, Y.Q. Fu, P. Beecher, Z.A.K. Durrani, A.C. Ferrari, A.J. Flewitt, J. Robertson and W.I. Milne

Physica E 38, 64 (2007).

027

The role of precursor gases on the surface restructuring of catalyst films during carbon nanotube growth.

S. Pisana, M. Cantoro, A. Parvez, S. Hofmann, A.C. Ferrari and J. Robertson

Physica E 37, 1 (2007).

026

Catalytic and seeded shape-selective synthesis of II–VI semiconductor nanowires.

A. Fasoli, A. Colli, S. Kudera, L. Manna, S. Hofmann, C. Ducati, J. Robertson and A.C. Ferrari

Physica E 37, 138 (2007).

025

Shape-selective synthesis of II–VI semiconductor nanowires.

A. Fasoli, A. Colli, S. Hofmann, C. Ducati, J. Robertson and A.C. Ferrari

Phys. Stat. Sol. B 243, 3301 (2006).

024

Synthesis and optical properties of silicon nanowires grown by different methods.

A. Colli, S. Hofmann, a. Fasoli, A.C. Ferrari, C. Ducati, R.E. Dunin-Borkowski and J. Robertson

Appl. Phys. A 85, 247 (2006).

023

Catalytic Chemical Vapor Deposition of Single-Wall Carbon Nanotubes at Low Temperatures.

M. Cantoro, S. Hofmann, S. Pisana, V. Scardaci, A. Parvez, C. Ducati, A.C. Ferrari, A.M. Blackburn, K.-Y. Wang and J. Robertson

Nano Lett. 6, 1107 (2006).

022

Deterministic shape-selective synthesis of nanowires, nanoribbons and nanosaws by steady-state vapour-transport.

A. Colli, a. Fasoli, S. Hofmann, C. Ducati, J. Robertson and A.C. Ferrari

Nanotechnology 17, 1046 (2006).

021

Selective growth of vertically aligned carbon nanofibres in sub-micron patterns and Raman mapping of produced arrays.

V.B. Golovko, M. Cantoro, S. Hofmann, B. Kleinsorge, J. Geng, D.A. Jefferson, A.C. Ferrari, J. Robertson and B.F.G. Johnson

Diam. Rel. Mat. 15, 1023 (2006).

020

Effects of pre-treatment and plasma enhancement on chemical vapor deposition of carbon nanotubes from ultra-thin catalyst films.

M. Cantoro, S. Hofmann, S. Pisana, C. Ducati, A. Parvez, A.C. Ferrari and J. Robertson

Diam. Rel. Mat. 15, 1029 (2006).

019

Catalyst patterning methods for surface-bound chemical vapor deposition of carbon nanotubes.

S. Hofmann, M. Cantoro, M. Kaempgen, D.-J. Kang, V.B. Golovko, H.W. Li, Z. Yang, J. Geng, W.T.S. Huck, B.F.G. Johnson, S. Roth and J. Robertson

Appl. Phys. A 81, 1559 (2005).

018

Submicron patterning of Co colloid catalyst for growth of vertically aligned carbon nanotubes.

V.B. Golovko, H.W. Li, B. Kleinsorge, S. Hofmann, J. Geng, M. Cantoro, Z. Yang, D.A. Jefferson, B.F.G. Johnson, W.T.S. Huck and J. Robertson

Nanotechnology 16, 1636 (2005).

017

Effects of catalyst film thickness on plasma-enhanced carbon nanotube growth.

S. Hofmann, M. Cantoro, B. Kleinsorge, C. Casiraghi, A. Parvez, J. Robertson and C. Ducati

J. Appl. Phys. 98, 034308 (2005).

016

Low temperature synthesis of carbon nanofibres on carbon fibre matrices.

B.O. Boskovic, V.B. Golovko, M. Cantoro, B. Kleinsorge, A.T.H. Chuang, C. Ducati, S. Hofmann, J. Robertson and B.F.G. Johnson

Carbon 43, 2643 (2005).

015

Surface Diffusion: The Low Activation Energy Path for Nanotube Growth.

S. Hofmann, G. Csányi, A.C. Ferrari, M. Payne and J. Robertson

Phys. Rev. Lett. 95, 036101 (2005).

014

Selective growth of ZnSe and ZnCdSe nanowires by molecular beam epitaxy.

A. Colli, S. Hofmann, A.C. Ferrari, F. Martelli, S. Rubini, C. Ducati, a. Franciosi and J. Robertson

Nanotechnology 16, S139 (2005).

013

Wet catalyst assisted growth of carbon nanofibers on complex three-dimensional substrates.

M. Cantoro, V.B. Golovko, S. Hofmann, D.R. Williams, C. Ducati, J. Geng, B.O. Boskovic, B. Kleinsorge, D.A. Jefferson, A.C. Ferrari, B.F.G. Johnson and J. Robertson

Diam. Rel. Mat. 14, 733 (2005).

012

Low-temperature synthesis of ZnSe nanowires and nanosaws by catalyst-assisted molecular-beam epitaxy.

A. Colli, S. Hofmann, A.C. Ferrari, C. Ducati, F. Martelli, S. Rubini, S. Cabrini, a. Franciosi and J. Robertson

Appl. Phys. Lett. 86, 153103 (2005).

011

Nickel formate route to the growth of carbon nanotubes.

J. Geng, H. Li, V.B. Golovko, D.S. Shephard, D.A. Jefferson, B.F.G. Johnson, S. Hofmann, B. Kleinsorge, J. Robertson and C. Ducati

J. Phys. Chem. B 108, 18446(2004).

010

Growth of aligned carbon nanofibres over large areas using colloidal catalysts at low temperatures.

B. Kleinsorge, V.B. Golovko, S. Hofmann, J. Geng, D.A. Jefferson, J. Robertson and B.F.G. Johnson

Chem. Comm. 12, 1416 (2004).

009

Self-assembly of novel nanowires by thermolysis of fullerene and transition metal thin films.

S. Hofmann, J. Robertson, C. Ducati and R.E. Dunin-Borkowski

Nanotechnology 15, 601 (2004).

008

Low-temperature plasma enhanced chemical vapour deposition of carbon nanotubes.

S. Hofmann, B. Kleinsorge, C. Ducati, A.C. Ferrari and J. Robertson

Diam. Rel. Mat. 13, 1171 (2004).

007

Controlled low-temperature growth of carbon nanofibres by plasma deposition.

S. Hofmann, B. Kleinsorge, C. Ducati and J. Robertson

New J. Phys.5, 153 (2003).

006

Raman Spectrum of silicon nanowires.

S. Piscanec, A.C. Ferrari, M. Cantoro, S. Hofmann, J.A. Zapien, Y. Lifshitz, S.T. Lee and J. Robertson

Mat. Sci. Eng. C 23, 931(2003).

005

Direct growth of aligned carbon nanotube field emitter arrays onto plastic substrates.

S. Hofmann, C. Ducati, B. Kleinsorge and J. Robertson

Appl. Phys. Lett. 83, 4661 (2003).

004

Raman spectroscopy of silicon nanowires.

S. Piscanec, M. Cantoro, A.C. Ferrari, J.A. Zapien, Y. Lifshitz, S. Lee, S. Hofmann and J. Robertson

Phys. Rev. B 68, 241312(2003).

003

Gold catalyzed growth of silicon nanowires by plasma enhanced chemical vapor deposition.

S. Hofmann, C. Ducati, R.J. Neill, S. Piscanec, A.C. Ferrari, J. Geng, R.E. Dunin-Borkowski and J. Robertson

J. Appl. Phys. 94, 6005 (2003).

002

Low-temperature growth of carbon nanotubes by plasma-enhanced chemical vapor deposition.

S. Hofmann, C. Ducati, B. Kleinsorge and J. Robertson

Appl. Phys. Lett. 83, 135 (2003).

001

Low-Temperature Self-Assembly of Novel Encapsulated Compound Nanowires.

S. Hofmann, C. Ducati and J. Robertson

Adv. Mat., 14, 1821 (2002).

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