Van de Walle Computational Materials Group Materials Department University of California Santa Barbara, CA 93106-5050 vandewalle@mrl.ucsb.edu Phone: (805) 893-7144

Professional experience

Ph. D. E. E., Stanford University, 1986.

Postdoctoral Scientist, IBM T. J. Watson Research Center, Yorktown Heights, New York (1986-1988).

Senior Member of Research Staff, Philips Laboratories, Briarcliff Manor, New York (1988-1991).

Adjunct Professor, Columbia University, New York (1991).

Principal Scientist/Senior Member/Member of Research Staff, Xerox Palo Alto Research Center (PARC), Palo Alto, California (1991-2004 ).

Alexander von Humboldt US Senior Scientist at the Fritz-Haber-Institut and the Paul-Drude-Institut, Berlin, Germany (May-October 1999).

Professor, Materials Department, University of California, Santa Barbara (2004-).

Honors

David Adler Award, American Physical Society, 2002

PARC Excellence Award, 2003
PARC Golden Acorn Award, 2002

Humboldt Research Award for Senior US Scientist, Alexander von Humboldt Foundation, Germany, 1998

Conference chair:

• Organizer, International Symposium on Materials Issues in Hydrogen Production and Storage, 2006
• Program Chair, 27th International Conference on the Physics of Semiconductors (ICPS-27), 2004
• Gordon Conference on Point and Line Defects in Semiconductors, 1998
• 23rd Conference on Physics and Chemistry of Semiconductor Interfaces (PCSI), 1996
• 7th Trieste Semiconductor Symposium: Wide-Band-Gap Semiconductors, 1992

Fellow, American Physical Society

Member of the Editorial Board, Physical Review Letters, 1996-1999

Publications and presentations

Over 280 scientific publications.
22 U.S. patents; several patents pending.
Over 125 Invited Presentations at International Conferences and Schools. Numerous invited seminars at universities and industrial or government laboratories.

Research interests:

• Novel electronic materials; wide-band-gap semiconductors (III-V nitrides, II-VI compounds, …), oxides.
• Physics and chemistry of hydrogen interactions with solids, liquids, and molecular systems.
• Hydrogen in materials: storage, production (photoelectrochemical cells).
• Computational physics. Density-functional theory, pseudopotentials.  Atomic and electronic structure of crystalline, polycrystalline and amorphous materials, interfaces, surfaces, defects.
• Semiconductor heterojunctions and superlattices; effects of strain; deformation potentials.  Metal-semiconductor interfaces, Schottky barriers.
• Defects and impurities in solids, doping, diffusion.  Calculation of hyperfine parameters and vibrational modes.
• Device simulations; optical gain in laser structures.

CV (pdf)

Publications (pdf)

Presentations:

Theory of Hydrogen-Related Levels in Semiconductors and Oxides (IEDM 2005)

Oxides as Seminiconductors

Conferences:

International Symposium on Materials Issues in Hydrogen Production and Storage

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