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

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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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).

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