Zobrazeno 1 - 10
of 16
pro vyhledávání: '"S.P. Harte"'
Autor:
S.A. Haycock, A.P. Woodhead, V.R. Dhanak, S.P. Harte, Christopher A. Muryn, Paul L. Wincott, G. Thornton, C.E. Marsden, S. Vinton, T.M. Evans
Publikováno v:
Surface Science. 424:179-186
The initial stages of titanium growth on the 1×1 and ( 84 × 84 ) R11° terminations and chromium growth on the ( 84 × 84 ) R11° termination of α-quartz SiO2 (0001) have been studied using polarization-dependent SEXAFS. Three metal coverages have
Autor:
Paul L. Wincott, G. Thornton, S.A. Haycock, A.P. Woodhead, V.R. Dhanak, S.P. Harte, Christopher A. Muryn
Publikováno v:
Surface Science. 420:L138-L142
The reaction of H2S with NiO(100) has been studied by polarization-dependent surface EXAFS. The results evidence reduction of the selvedge to form a Ni raft having S in four-fold sites with a S–Ni bond length of 2.21±0.02 A. The Ni–Ni in-plane d
Autor:
G. Thornton, J. Mercer, Vin Dhanak, T. K. Johal, A.W. Robinson, P. Finetti, Ronan McGrath, S.P. Harte, S.J. Murray
Publikováno v:
Surface Review and Letters. :1341-1345
The bonding of potassium in the Ni (100)-(3×3)-( K + O ) coadsorption system has been investigated using surface extended X-ray absorption fine structure (SEXAFS). It is found that potassium bonds predominantly to oxygen rather than nickel. This imp
Autor:
S. Vinton, N. Binsted, D. Norman, Vin Dhanak, Robert Lindsay, Christopher A. Muryn, L. Håkansson, Daniel A. Fischer, S.P. Harte, A.W. Robinson, G. Thornton
Publikováno v:
Surface Science. 380:L463-L468
We have re-examined the surface geometry of Ni(110)-c(2 × 2)-S using SEXAFS. Data out to an electron wavevector of 9A−1 are analysed with a new code to assess the influence of multiple scattering. The first-shell S Ni distance is determined to be
Autor:
Tracy Turner, Ronan McGrath, J.S.G. Taylor, G. Charlton, G. Thornton, D. Norman, J. Mercer, S.P. Harte, Christopher A. Muryn, P. Steadman, Paul B. Howes, Chris Nicklin
Publikováno v:
Physical Review Letters. 78:495-498
Surface x-ray diffraction has been used to determine the structural relaxations of ${\mathrm{TiO}}_{2}(110)\ensuremath{-}(1\ifmmode\times\else\texttimes\fi{}1)$. The magnitudes range from 0 to 0.27 \AA{}, leading to rumpling of the titanium planes. T
Publikováno v:
Surface Science. 366:L765-L768
The adsorption geometry of S in the c(2 × 2) structure on Rh(100) has been determined using surface extended X-ray absorption fine structure (SEXAFS). It is found that S adsorbs in the symmetrical four-fold hollow site with an SRh bond length of
Autor:
Christopher A. Muryn, H. Raza, G. Thornton, Paul L. Wincott, S.P. Harte, A. Rodriguez, R. Casanova
Publikováno v:
Surface Science. 366:519-530
S K-edge NEXAFS has been used to monitor the thermally-activated reaction of SO2 with TiO2(100)-(1 × 3) and TiO2(100)-(1 × 1) in order to investigate the influence of surface structure and oxygen vacancies on the reactivity. In each case SO2 chemis
Autor:
P. Finetti, A. W. Johal, J. Mercer, T. K. Johal, S.P. Harte, Ronan McGrath, S.J. Murray, G. Thornton, Vin Dhanak
Publikováno v:
Surface Review and Letters. :1107-1107
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