Development and application of theoretical models and computational methods
to study the electronic, structural, and dynamical properties of solids,
liquids, atoms, molecules, clusters, surfaces, and interfaces.
Sanwu Wang, Yanzhao Cao, and P.A. Rikvold, "First-principles calculations
for the adsorption of water molecules on the Cu(100) surface", Phys.
Rev. B, in press
Sanwu Wang, A. Borisevich, S.N. Rashkeev, K. Sohlberg, M.V. Glazoff, S.J.
Pennycook, and S.T. Pantelides, "Dopants absorbed as single atoms prevent
degradation of catalysts" Nature Materials3, 143 (2004).
Sanwu Wang, S.J. Mitchell, and P.A. Rikvold, "Ab initio Monte Carlo
simulations for nanoscopic lithium systems at different temperatures", Comput.
Mat. Sci.29, 145 (2004).
S.J. Mitchell, Sanwu Wang, and P.A. Rikvold, "Halide adsorption on single-crystal
silver substrates: dynamical simulations and ab initio density functional
theory", Faraday Discuss.,
121, 53 (2002).
Sanwu Wang and P.A. Rikvold, "Ab initio calculations for bromine
adlayers on the Ag(100) and Au(100) surfaces: the c(2x2) structure",
Phys. Rev. B65, 155406 (2002).
S.J. Mitchell, Sanwu Wang, P.A. Rikvold, and G. Brown, "First-principles
parameter estimation for dynamical Monte Carlo of a lattice-gas model", In
Computer Simulation Studies in Condensed Matter Physics XIV, edited
by D.P. Landau, S.P. Lewis, and H.B. Schüttler, (Springer, Berlin, 2002).
Sanwu Wang, M. Di Ventra, S.-G. Kim, and S.T. Pantelides, "Atomic-scale
dynamics of the formation and dissolution of carbon clusters in SiO2",
Phys. Rev. Lett.86, 5946 (2001).
S.T. Pantelides, R. Buczko, M. Di Ventra, S. Wang, S.-G. Kim, S.J. Pennycook,
G. Duscher, L.C. Feldman, K. McDonald, R.K. Chanana, R.A. Weller, J.R. Williams,
G.Y. Chung, C.C. Tin, and T. Isaaxs-Smith, "Bonding, defects, and defect dynamics
in the SiC-SiO2 system", in Silicon Carbide--Materials, Processing
and Devices, (Mat. Res. Soc. Symp. Proc. Vol. 640), edited by A.K.
Agarwal, J.A. Cooper, Jr., E. Janzen, and M. Skowronski (Materials
Research Society, Warrendale, Pennsylvania, 2001).
Sanwu Wang, M.W. Radny, and P.V. Smith, "First-principles electronic structure
studies for the cluster modeled Si(111) chemisorption system", J.
Chem. Phys.114, 436 (2001).
Sanwu Wang, "Generalization of the Thomas-Reiche-Kuhn and the Bethe sum
rules", Phys. Rev. A60, 262 (1999).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Different mechanisms for stability
of Al and B adatoms on the Si(111)Ö3´ Ö3R30° surface", Phys. Rev. B59, 1594 (1999).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Hydrogen chemisorption on the Si(111)Ö3´ Ö3R30°-Al, -Ga, -B
surfaces: an ab initio HF/DFT molecular orbital modelling using atomic clusters",
Comput. Mat.
Sci.10, 99 (1998).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Ab initio HF/DFT studies of the
chemisorption of hydrogen on the cluster simulated Si(111)Ö3´ Ö3R30°-Al, and -Ga
surfaces", Surf. Sci.396, 40 (1998).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Ab initio cluster calculations
of the chemisorption of hydrogen on the Si(111)Ö3´Ö3R30°-B
surface", Surf. Sci.394, 235 (1997).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Segregation of boron on the cluster
modeled Si(111)Ö3´Ö3R30°-B hydrogenated
surface", Phys. Rev. B56, 3575 (1997).
Sanwu Wang, M.W. Radny, and P.V. Smith, "Boron, hydrogen
and silicon adatoms on the Si(111) surface: an ab initio Hartree-Fock/density
functional cluster study", J. Phys.: Condens. Matter 9, 4535
(1997).
Conference Presentations (since 1996)
Sanwu Wang, M.W. Radny, and P.V. Smith, "Boron, hydrogen and silicon adatoms
on the Si(111) surface: an ab initio Hartree-Fock/density functional
cluster study", 20th ANZIP Condensed Matter Physics Meeting. Wagga Wagga,
Australia, February 1996.
Sanwu Wang, M.W. Radny, and P.V. Smith, "Segregation of boron on the cluster
modeled Si(111)Ö3´Ö3R30°-B hydrogenated
surface: an ab initio Hartree-Fock/DFT cluster study", International
Conference on Advanced Materials ICAM'97 and European Materials Research Society
Spring Meeting EMRS'97, Strasbourg, France, June 1997.
Sanwu Wang, M.W. Radny, and P.V. Smith, "The chemisorption of boron on the
Si(111) surface", 7th International Fischer Symposium on Scales in Electrochemical
Systems - from Angstroms to Meters, University of Karlsruhe, Germany, June
1997.
Sanwu Wang, M.W. Radny, and P.V. Smith, "Molecular orbital modeling of the
chemisorption of Si, Al, Ga, B and H on the Si(111)Ö3´Ö3R30° surface: an
ab initio HF/DFT cluster study", 18th IUVSTA Workshop, entitled "Diffusion
and Growth in Ultrathin Layers". Newcastle, Australia, November 1997.
Sanwu Wang, M.W. Radny, and P.V. Smith, "The chemisorption of hydrogen on
the cluster modeled the Si(111)Ö3´Ö3R30°-B surface",
10th AINSE Conference on Nuclear Techniques of Analysis and the 4th Vacuum Society
of Australia Congress, Canberra, Australia, November 1997.
Sanwu Wang, M.W. Radny, and P.V. Smith, "Silicon and hydrogen adatoms on
the Si(111) surface: an ab initio HF/DFT cluster study", 10th AINSE
Conference on Nuclear Techniques of Analysis and the 4th Vacuum Society of
Australia Congress, Canberra, Australia, November 1997.
Sanwu Wang, M.W. Radny, and P.V. Smith, "First-principles density functional
molecular orbital studies for the silicon adatoms on the Si(111) surface",
22nd ANZIP condensed Matter Physics Meeting. Wagga Wagga, Australia, February
1998.
Sanwu Wang, M.W. Radny, and P.V. Smith, "Chemisorption of the Si, B, Al
and H adatoms on the Si(111) surface - ab initio molecular orbital
modeling", 19th International Seminars on Surface Physics (ISSP-19), Wroclaw,
Poland, June 1998.
A.J. Dyson, J.Z. Que, M.W. Radny, P.V. Smith, and Sanwu Wang, "Lattice dynamical
and electronic structure calculations on clean and chemisorbed semiconductor
surfaces", CSIRO Workshop on Electronic Structure Computations and Theoretical
Methods and Industry, Melbourne, Australia, July 1998.
M.W. Radny, P.V. Smith, and Sanwu Wang, "Chemisorption of Al and B adatoms
on the Si(111) surface", 6th International Workshop on Postionization Techniques
in Surface Analysis (PITS6), Newcastle, Australia, Sept. 1998.
Sanwu Wang, M.W. Radny, and P.V. Smith, "Ab initio calculations for
chemisorption of boron and aluminum atoms on Si(111)", 220th American Chemical
Society Meeting, Washington D.C., USA. Aug. 2000.
S.T. Pantelides, M. Di Ventra, R. Buzko, S. Wang, S.-G. Kim, G. Duscher,
S.J. Pennycook, K. McDonald, R.K. Chanana, R.A. Weller, L.C. Feldman, G.Y.
Chung, C.C. Tin, T. Isaaxs-Smith, and J.R. Williams, "Bonding, defects, and
defect dynamics in the SiC-SiO2 system", 2000 MRS Fall Meeting,
Boston, USA. Nov. 2000.
S.J. Mitchell, Sanwu Wang, P.A. Rikvold, and G. Brown, "First-principles
parameter estimation for dynamical Monte Carlo", 14th Annual Workshop on Recent
Developments in Computer Simulation Studies in Condensed Matter Physics, Athens,
Georgia, USA. Feb. 2001.
S.J. Mitchell, Sanwu Wang, G. Brown, and P.A. Rikvold, "Advanced Simulations
of Br Electrosorption on Ag(100)", International Conference on Electrified
Interfaces, 9th in a Series on Non-traditional Methods, Acadia University,
Wolfeville, Nova Scotia, Canada. July 2001.
Sanwu Wang, S.J. Mitchell, and P.A. Rikvold, "Ab initio Monte Carlo
simulations for nanoscopic lithium systems at different temperatures", Annual
APS March Meeting 2002, Indianapolis, Indiana, USA. March 2002.
S.J. Mitchell, Sanwu Wang, and P.A. Rikvold, "Halide adosrption on single-crystal
silver substrates: dynamic simulations and ab-initio density functional
theory", Faraday Discussion 121, Harnack-Haus, Berlin, Germany. April 2002.
S.J. Mitchell, Sanwu Wang, G. Brown, and P.A. Rikvold, "Advanced simulations
of Br electrosorption on Ag(100)", Faraday Discussion 121, Harnack-Haus, Berlin,
Germany. April 2002.
Sanwu Wang, S.N. Rashkeev, K. Sohlborg, and S.T. Pantelides, "Atomic-scale
mechanism of stabilization of catalytic La-doped gamma-
Al2O3", Annual APS March Meeting 2003, Austin, TX,
USA. March 2003.