Physics and Astronomy

Physics and Astronomy

Publications

Patents Pending

  • S. A. Brown and J. Schmelzer, jr., 'Nanoscale Electronic Devices & Fabrication Methods'.
  • S. A. Brown and J. G. Partridge, 'Templated cluster assembled wires'.
  • J. G. Partridge and S. A. Brown, 'Cluster-Assembled Etch-Masks'.
  • S. A. Brown, A. Lassesson and J. van Lith, 'Fluid Sensors and Fabrication Methods'.
  • J. G. Partridge, D. M. Mackenzie and S. A. Brown, 'Nanoscale Patterning and Fabrication Methods'.
  • R. Reichel, J. G. Partridge and S. A. Brown, 'Nanoscale and Microscale Lithography Mehtods and Resultant Devices'.
  • S. A. Brown, K. P. Grundy, J. Fjelstad and A. Rae, 'Electrostatic Discharge Protection & Fabrication Methods'.

Selected Refereed Publications

  • B. Ingham, M. F. Toney, S. C. Hendy, T. Cox, D. D. Fong, J. A. Eastman, P. H. Fuoss, K. J. Stevens, A. Lassesson, S. A. Brown, and M. P. Ryan, 'Particle size effect of hydrogen-induced lattice expansion of palladium nanoclusters', Phys. Rev B. 78, 245408 (2008).
  • A. Lassesson, S. A. Brown, J. van Lith, and M. Schulze, 'Electrical characterization of gold island films: A route to control of nanoparticle deposition' Appl. Phys. Lett. 93, 203111 (2008)
  • A. Lassesson, M. Schulze, J. van Lith, S. A. Brown, 'Tin oxide nanocluster hydrogen and ammonia sensors' Nanotechnology 19, 015502 (2008).
  • J. van Lith, A. Lassesson, S. A. Brown, M. Schulze, J. G. Partridge, A. Ayesh, '2D tunneling based hydrogen sensors', Applied Physics Letters 91, 181910 (2007).
  • K. C. Tee, A. Lassesson, J. van Lith, S. A. Brown, J. G. Partridge, M. Schulze, R.J. Blaikie, 'Selective filling and sintering of copper nanoclusters for interconnect technology', IEEE Trans. Nano. 6, 556 (2007).
  • R. Reichel, J. G. Partridge, F. Natali, T. Matthewson, S. A. Brown, A. Lassesson, D. M. A. Mackenzie, A. Ayesh, K. C. Tee, A. Awasthi and S. C. Hendy, 'From the adhesion of atomic clusters to the fabrication of nanodevices', Applied Physics Letters 89, 213105 (2006).
  • A. Awasthi, S. C. Hendy, P. Zoontjens, and S. A. Brown, 'Re-entrant Adhesion Behaviour in Nanocluster Deposition', Phys. Rev. Lett 97, 186103 (2006).
  • J. G. Partridge, D. M. A. Mackenzie, R. Reichel and S. A. Brown, 'Electrically conducting Bi cluster-assembled wires formed using SiN nanostencils' Microelectronic Engineering 83, 1460-1463 (2006).
  • A. D. F. Dunbar, J. Partridge, M. Schulze and S. A. Brown, 'Morphological differences between Bi, Ag and Sb nano-particles and how they affect the percolation of current through nano-particle networks', Eur. Phys. J. D. 39, 415 (2006).
  • J. G. Partridge, R. Reichel, A. Ayesh, D. M. A. Mackenzie and S. A. Brown, 'Nanotechnology Through Self-Assembly of Clusters'. Physica Status Solidi-A 203, 1217 (2006).
  • S. A. Scott and S. A. Brown, '3-D Growth characteristics of Antimony Aggregates on Graphite', Eur. Phys. J. D 39, 433 (2006)
  • S. A. Scott, M. V. Kral and S. A. Brown, 'Bi on Graphite: Morphology and Growth Characteristics of Star Shaped Dendrites', Phys. Rev. B 73, 205424 (2006).
  • S. A. Scott, M. V. Kral and S. A. Brown, 'Self-assembly of oriented Bi nanorods at highly ordered pyrolitic graphite step-edges', Phys. Rev. B 72, 205423 (2005).
  • S. A. Scott, M. V. Kral and S. A. Brown, 'Growth of nanorods and mesoscale stars prior to an orientation transition in bismuth thin films', Applied Surface Science 252, 5563 (2006).
  • S. A. Scott, M. V. Kral and S. A. Brown 'A crystallographic orientation transition and early stage growth characteristics of thin bismuth films on graphite', Surf. Sci. 587, 175 (2005).
  • K.J. Stevens, K.S. Cheong, D.M. Knowles, N.J. Laycock, A. Ayesh, J. Partridge, S.A. Brown and S.C. Hendy, 'Electron microscopy of Bismuth building blocks for self-assembled nanowires', Current Applied Physics 6, 453 (2006).
  • M. Kaufmann, A Wurl, J. G. Partridge and S. A. Brown, ' Structure of Unsupported Antimony Nanoclusters' , presented at the 12th International Symposium on Small Particles and Inorganic Clusters ISSPIC-12, Nanjing, China, September (2004). Eur. Phys. J. D 34, 29 (2005).
  • J. G. Partridge, S. A. Brown, C. Seigert, R. Neilsen, A. D. F . Dunbar and R. J. Blaikie, 'Templated cluster assembly for production of metallic nanowires in passivated silicon V-grooves'. Microelectronic Engineering 73-74, 583 (2004). Download in PDF format.
  • J. G. Partridge, S. A. Brown, A. D. F. Dunbar, M. Kaufmann, S. Scott, M. Schulze, R. Reichel, C. Seigert and R. Blaikie, 'Template assembled antimony cluster mesowires and nanowires', Nanotechnology 15, 1382 (2004). Download in PDF format.
  • J. Partridge, S. Scott, A. Dunbar, M. Schulze, S. A. Brown, A. Wurl, and R. Blaikie, 'Formation of electrically conducting mesoscale wires through self-assembly of atomic clusters'. IEEE Transactions on Nanotechnology 3, 61 (2004). Download in PDF format.
  • B D Hall, M Hyslop, A Wurl, and S A Brown, 'Electron Diffraction From Atomic Cluster Beams', in 'Fundamentals of Gas-Phase Nanotechnology ', Eds L Kish, C G Granqvist, W Marlow, and R W Siegel, Kluwers Academic Publishing, 2004.
  • S. Hendy, S. A. Brown and M. Hyslop, 'On the coalescence of nanoscale metal clusters', Phys. Rev. B. (Rapid Communications) 68, 241403(R) (2003).
  • A. D. F. Dunbar, J. Partridge, M. Schulze and S. A. Brown, 'Measurement of the conductivity exponent in random percolating networks of nanoscale bismuth clusters', presented at The 2004 International Conference on MEMS, NANO, and Smart Systems (ICMENS), Banff, Alberta (2003). Proceedings of ICMENS conference, pp. 350-356 (2003).
  • F. Khan, S. A. Brown, A. Liu, S. Gourley, V. Christie, O. Dickie, R. J. Reeves, 'Photoconductivity Spectra From N-Doped GaN: Evidence For Two Distinct Types Of Donors', Solid State Electronics 48, 373 (2003).
  • M. Schulze, S. Gourley, S. A. Brown, A. Dunbar, J. Partridge, R. J. Blaikie, 'Electrical Measurements of Nanoscale Bismuth Cluster Films'. Eur. Phys. J. D. 24, 291 (2003).
  • J. Schmelzer jr, S. A. Brown, A. Wurl, M. Hyslop, and R. J. Blaikie, 'Finite-Size Effects in the Conductivity of Cluster Assembled Nanostructures', Phys. Rev. Lett. 88, 226802 (2002). Download in PDF format.
  • 'A really, really big business opportunity', by Simon Brown, NZ business magazine, May 2002, made available in PDF form here by permisson of www.profile.co.nz.
  • R Cheung, R J Reeves and S A Brown, 'Process Induced Defects And Optical Memory In GaN' in Defects and Diffusion in Ceramics - Annual Retrospective 2000, Ed. D Fisher, Scitec Publications, Switzerland. Defect and Diffusion Forum 186-187, 61 (2000).
  • S. A. Brown, M. M. Alkaisi, A. Bittar, R. J. Blaikie, S. M. Durbin, A. Engel, S. Gourley, B. D. Hall, S. Hendy, M. Hyslop, F. Khan, U. Lanke, A. Liu, A Markwitz, S. McNab, R. J. Reeves, B. Rong, J. Schmelzer Jr, M. Schulze, H. J. Trodahl, A. Wurl , 'Physics and Fabrication of Nanostructured Materials and Devices'.
    Download in PDF format [This is a summary of ongoing research across the extended group, including NEST group members in Christchurch and other researchers around the country. It is a precis of an Invited Overview lecture to be presented by Simon Brown at the 10th National Physics Conference PHYSIKOS2001 and 'A Celebration of New Zealand Physics' (NZIP2001), Wellington, New Zealand. 4-6 July 2001.]
  • S. A. Brown, R. J. Reeves, C. S. Haase, R. Cheung, C. Kirchner and M. Kamp 'Reactive Ion Etched Gallium Nitride: Metastable Defects And Yellow Luminescence'. Applied Physics Letters 75, 3285 (1999).
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  • R. Cheung, S. Withanage, R. J. Reeves, S. A. Brown, I. Ben-Yaacov, C. Kirchner and M. Kamp, 'Reactive ion etch-induced effects on the near-band-edge luminescence in GaN', Applied Physics Letters 74, 3185 (1999).
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  • R. Cheung, R. J. Reeves, S. A. Brown, S. Withanage, E. Van der Drift, and M. Kamp, 'High Resolution Reactive Ion Etching of GaN and Etch Induced Effects', Journal of Vacuum Science and Technology B 17, 2759 (1999).
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  • S A Brown and L D Macks, 'Novel magnetic field-induced bistability in resonant tunneling', Physical Review B (Rapid Communications) 58, 1758 (1998).
  • S A Brown, J F Young, Z Wasilewski and P T Coleridge, 'Fermi Edge Singularities in Photoluminescence from Modulation Doped GaAs Quantum Wells', Physical Review B 56, 3937 (1997).
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  • B J Ruck, J C Abele, H J Trodahl, S A Brown, and P Lynam, 'Vortex Dynamics and Instabilities in Layered and Homogeneous Ta/Ge Superconductors', Physical Review Letters 78, 2278 (1997).
  • S A Brown, L D Macks, T A Fisher and M Emeny, 'Inter-Landau Level Transitions Near The Threshold Of 2D – 2D Tunneling, Physical Review B 56, 1967 (1997).
  • S A Brown, J F Young, J A Brum, P Hawrylak, and Z Wasilewski, 'Evolution of the Interband Absorption Threshold with the Density of a Two Dimensional Electron Gas', Physical Review B (Rapid Communications) 54, 11082 (1996).
  • L D Macks, S A Brown, R G Clark, R P Starrett, M A Reed, M R Deshpande, C J L Fernando, and W R Frensley, 'Resonant Tunneling in Double Quantum Well, Triple Barrier Heterostructures', Physical Review B 54, 4857 (1996).
  • E M Goldys, S A Brown, R B Dunford, A G Davies, R Newbury, R G Clark, P E Simmonds, J J Harris and C T Foxon. 'Magneto-Optical Probe of Two-Dimensional Electron Liquid and Solid Phases', Phys. Rev. B (Rapid Communications) 46, 7957 (1992).