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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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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).


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).

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