Sat 25 October, 2014

Publications

Highlights from the current research by members of the group includes the following publications.

2012

C. Binns, P. Prieto, S. Baker, P. Howes, R. Dondi, G. Burley, L. Lari, R. Kröger, A. Pratt, S. Aktas, and J. K. Mellon, Preparation of hydrosol suspensions of elemental and core–shell nanoparticles by co-deposition with water vapour from the gas-phase in ultra-high vacuum conditions, J. Nanopart. Res., 2012, 14, 1136.

A. Pratt, M. Kurahashi, X. Sun, D. Gilks, and Y. Yamauchi, Direct observation of a positive spin polarization at the (111) surface of magnetite, Phys. Rev. B, 2012, 85, 180409(R).

A. Pratt, L. Dunne, X. Sun, M. Kurahashi, and Y. Yamauchi, Energy-level alignment at the Alq3/Fe3O4(001) interface, J. Appl. Phys., 2012, 111, 07C114.

2011

J. Naughton, A. Pratt, C. W. Woffinden, C. Eames, S. P. Tear, S. M. Thompson, A. F. Lee, and K. Wilson, Metastable de-excitation spectroscopy and DFT study of the selective oxidation of crotyl alcohol over Pd(111), J. Phys. Chem. C, 2011, 115, 25290.

X. Sun, M. Kurahashi, A. Pratt, and Y. Yamauchi, First-principles study of atomic hydrogen adsorption on Fe3O4(001), Surf. Sci., 2011, 605, 1067.

A. Pratt, M. Kurahashi, and Y. Yamauchi, Spin-polarized metastable He study of surface magnetic order in Ho thin films, J. Appl. Phys., 2011, 109 07C111.

M. Kurahashi, A. Pratt, and Y. Yamauchi, Spin polarization of the Si(111)-7×7 surface: A study with a spin-polarized metastable helium atom beam, Surf. Sci., 2011, 605 612.

A. Pratt, M. Kurahashi, X. Sun, and Y. Yamauchi, Adsorbate-induced spin-polarization enhancement of Fe3O4(001), J. Phys. D: Appl. Phys., 2011, 44 064010.

2010

X. Sun, A. Pratt, and Y. Yamauchi, First-principles study of the structural and magnetic properties of graphene on a Fe/Ni(111) surface, J. Phys. D: Appl. Phys., 2010, 43 385002.

C. Eames, M. Reakes, S. P. Tear, T. C. Q. Noakes, and P. Bailey, Phase selection in the rare earth silicides, Phys. Rev. B, 2010, 82 174112.

C. Eames, M. I. J. Probert, and S. P. Tear, The structure and growth direction of rare earth silicide nanowires on Si(100), Appl. Phys. Lett., 2010, 96 241903.

A. Pratt, C. Woffinden, R. Kröger, S. P. Tear, and C. Binns, Surface spin polarization of Fe nanoclusters, IEEE Trans. Mag., 2010, 46 1660.

C. Eames, C. Woffinden, M. I. J. Probert, S. P. Tear, and A. Pratt, Hydrogen sorption sites in holmium silicide on silicon(111), Surf. Sci., 2010, 604, 686.

2009

C. Woffinden, C. Eames, H. Menard, S. P. Tear, and A. Pratt, Surface electronic structure of two- and three dimensional holmium silicide on Si(111), Phys. Rev. B, 2009, 79, 245406. *selected for the Virtual Journal of Nanoscale Science and Technology, Volume 19, Issue 25 (2009)

M. B. Reakes, C. Eames, and S. P. Tear The growth of an ordered Mn layer on the Si(111)-1×1-Ho surface, J. Phys.: Cond. Matt., 2009, 21 265001.

A. Pratt and M. Jacka, Scanning magneto-optical lens for surface analysis, J. Phys. D: Appl. Phys., 2009, 42 055308.

A. Pratt, C. Woffinden, C. Bonet, and S. P. Tear, Structural and electronic properties of rare-earth nanowires, in Nanowires—Synthesis, Properties, Assembly and Applications, edited by Y. Cui, E.P.A.M. Bakkers, L. Lauhon, A. Talin (Mater. Res. Soc. Symp. Proc., Warrendale, PA), 2009, 1144-LL04-24.

2008

A. Pratt, C. Woffinden, C. Bonet, and S. P. Tear, Metastable de-excitation spectroscopy and scanning tunneling microscopy study of the 2x4 and 2x7 reconstructions of Ho on Si(001), Phys. Rev. B, 2008, 78 155430.

C. Bonet, A. Pratt, M. M. El-Gomati, J. A. D. Matthew, and S. P. Tear, Use of Monte Carlo modelling to aid interpretation and quantification of the low energy-loss electron yield at low primary energies, Microsc. Microanal., 2008, 14 439.

T. J. Wood, C. Eames, C. Bonet, M. B. Reakes, T. C. Q. Noakes, P. Bailey, and S. P. Tear, Medium-energy ion-scattering study of strained holmium silicide nanoislands grown on silicon (100), Phys. Rev. B, 2008, 78 035423.

2007

P. Cizmar, I. Müllerová, M. Jacka, and A. Pratt, New multichannel electron energy analyzer with cylindrically symmetrical electrostatic field, Rev. Sci. Instr., 2007, 78 053714.

C. Eames, M. I. J. Probert and S. P. Tear, Quantitative LEED I-V and ab initio study of the Si(111)-3×2-Sm surface structure and the missing half-order spots in the 3×1 diffraction pattern, Phys. Rev. B, 2007, 75 205420.

A. Pratt, J. A. D. Matthew, M. El-Gomati, and S. P. Tear, Quantitative interpretation of the low-loss electron signal, Surf. Sci., 2007, 601 1804-1812.

2006

J. L. Hanssen, J. J. McClelland, E. A. Dakin, and M. Jacka, Laser-cooled atoms as a focused ion beam source, Phys. Rev. A, 2006, 74 063416.

J. L. Hanssen, E. A. Dakin, J. J. McClelland, and M. Jacka, Using laser-cooled atoms as a focused ion beam source, J. Vac. Sci. Technol. B, 2006, 24 2907-2910.

C. Eames, C. Bonet, M. I. J. Probert, S. P. Tear and E. W. Perkins, STM and ab initio study of holmium nanowires on a Ge(111) surface, Phys. Rev. B, 2006, 74 193318.

C. Bonet and S. P. Tear, Self-assembly of ultrafine nanolines upon Ho reaction with the Ge(001) surface, Appl. Phys. Lett., 2006, 89 203119.

T. J. Wood, C. Bonet, T. C. Q. Noakes, P. Bailey and S. P. Tear, Medium-energy ion scattering investigation of the surface and subsurface structure of three-dimensional HoSi2-x grown on Si(111), Phys. Rev. B, 2006, 73 235405.

2005

H. Y. Ban, M. Jacka, J. L. Hanssen, J. Reader, and J. J. McClelland, Laser cooling transitions in atomic erbium, Opt. Express, 2005, 13 3185-3795.

T. J. Wood, C. Bonet, T. C. Q. Noakes, P. Bailey and S. P. Tear, A medium-energy ion scattering investigation of the structure and surface vibrations of two-dimensional YSi2 grown on Si(111), Surf. Sci., 2005, 598 120-127.

E. W. Perkins, C. Bonet, and S. P. Tear, Silicon overlayer growth on clean and hydrogen-terminated two-dimensional holmium silicide, Phys. Rev. B., 2005, 63 195406.

M. El-Gomati, F. Zaggout, H. Jayacody, S. Tear, and K. Wilson, Why is it possible to detect doped regions of semiconductors in low voltage SEM: a review and update, Surf. Interface Anal., 2005, 37 p. 901-911.

M. A. Munoz-Marquez, G. S. Parkinson, D. P. Woodruff, A. Hentz, P. L. Grande, G. Schiwietz, T. J. Wood, C. Bonet, S. P. Tear, P. Bailey, and T. C. Q. Noakes, Energy loss in medium-energy ion scattering: A combined theoretical and experimental study of the model system Y on Si(111), Phys. Rev. B, 2005, 72 075415.

C. Bonet, I. M. Scott, D. J. Spence, T. J. Wood, T. C. Q. Noakes, P. Bailey, and S. P. Tear, Trends and strain in the structures of two-dimensional rare-earth silicides studied using medium-energy ion scattering, Phys. Rev. B, 2005, 72 165407.

H. Ménard, A. Pratt, M. Jacka, Methylsilane on Cu(111), a MDS study of the formation of the surface silicide, Chem. Phys. Lett., 2005, 412 p. 434-438.

H. Ménard, A. B. Horn, S. P. Tear, Methylsilane on Cu(111), a STM study of the (√ 3 x √ 3)R30°-Cu2Si surface silicide, Surf. Sci., 2005, 585 p. 47-52.

A. Pratt, A. Roskoss, H. Ménard, M. Jacka, Improved metastable de-excitation spectrometer using laser-cooling techniques, Rev. Sci. Instr., 2005, 76 p. 053102.

E. W. Perkins, I. M. Scott, S. P. Tear, Growth and electronic structure of holmium silicides by STM and STS, Surface Science, 2005, 578(1-3), p. 80-87.

Pre-2004

M. Jacka, M. Zadrazil, F. Lopour, A differentially pumped secondary electron detector for low-vacuum scanning electron microscopy, Scanning, 2003, 25(5), p. 243-246.

M. Jacka, A. Kale and N Traitler, Hyperbolic field electron energy analyzer with second order focusing, Rev. Sci. Instr., 2003, 74(10), p. 4298-4300.

M. Jacka and A. Kale, Surface diffusion and electron stimulated desorption of chlorine from the surface of InP(110) and GaAs(110), Appl. Surf. Sci., 2002, 191, p. 344-351.
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D. J. Spence, T. C. Q. Noakes, P. Bailey and S. P. Tear, Structural studies of two- and three-dimensional dysprosium silicides using medium-energy ion scattering, Surf. Sci., 2002, 512(1-2), p. 61-66.

C. Bonet, D. J. Spence and S. P. Tear, Structural study of 2D dysprosium germanide and silicide by means of quantitative LEED I-V analysis, Surf. Sci., 2002, 504(1-3), p. 183-190.

H. Kitayama, S. P. Tear D. J. Spence and T. Urano, Structure analysis of two-dimensional Holmium silicide by low energy electron diffraction, Surf. Sci., 2001, 482, p. 1481-1486.

P. Bailey, T. C. Q. Noakes, C. J. Baddeley, S. P. Tear and D. P. Woodruff, Monolayer resolution in medium energy ion scattering, Nucl. Instrum. Meth. B, 2001, 183(1-2), p. 62-72.

M. Jacka, Scanning Anger microscopy: recent progress in data analysis and instrumentation, J. Electron. Spectrosc., 2001, 114, p. 277-282.

D. J. Spence, T. C. Q. Noakes, P. Bailey and S. P. Tear, Investigation of a two-dimensional dysprosium germanide on Ge(111): A medium-energy ion-scattering study including direct observation of a reversal of top-layer buckling upon adsorption of hydrogen, Phys. Rev. B, 2001, 63(4), p. 049901.

D. K. Wilkinson, D. A. Loveday and M. Prutton, Nondestructive angle-resolved X-ray depth profiling: Interpretation of angle-resolved profiles using a Monte Carlo approach, Microsc. Microanal., 2000, 6(6), p. 517-531.

M. Prutton, From LEED to MULSAM, Surf. Interface. Anal., 2000, 29(9), p. 561-571.

D. J. Spence, T. C. Q. Noakes, P. Bailey and S. P. Tear, Investigation of a two-dimensional dysprosium germanide on Ge(111): A medium-energy ion-scattering study including direct observation of a reversal of top-layer buckling upon adsorption of hydrogen, Phys. Rev. B, 2000, 62(8), p. 5016-5020.

D. J. Spence, S. P. Tear, T. C. Q. Noakes, P. Bailey, A medium-energy ion scattering study of the Si(111)(√ 3 x √ 3)R30°-Pb (beta-phase) surface, J. Phys.-Condens. Mat., 2000, 12(22), p. 4699-4711.

M. Prutton, D. K. Wilkinson and D. A. Loveday, Quantitative AES-mapping and depth profiling, Mikrochim. Acta., 2000, 132(2-4), p. 225-236.

C. J. Ennis, D. J. Spence, S. P. Tear and E. M. McCash, Formation of a palladium-silicon interface by silane chemical vapor deposition on Pd(100), Phys. Rev. B, 2000, 61(12), p. 8443-8449.

D. J. Spence, S. P. Tear, T. C. Q. Noakes and P. Bailey, Medium-energy ion scattering studies of two-dimensional rare-earth silicides, Phys. Rev. B, 2000, 61(8), p. 5707-5713.

T. E. Gallon, A. Kale and T. H. M. Paradis, Contribution of singly and doubly ionized argon to the autoionization (Auger) spectrum of argon excited by bombardment of magnesium and scandium surfaces, J. Phys.-Condens. Mat., 2000, 12(7), p. 1527-1537.

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