Current Members of the Lab

Laboratory Director:

B.A. Weinstein, Ph.D. Professor of Physics for a short bio click here

Ph.D. candidates in training:

Robert Tallman - work ongoing, graduation expected in 2006, "Effects of Pressure on Phonon Anharmonicity and Defect States in Tetrahedral Semiconductors".

Current REU Student

Ahlam Hmadouch, continuing experiments on high pressure Raman scattering in Si nanoparticles

Current Collaborators and Joint Projects

Professor Hans-Peter Wagner, Department of Physics, University of Cincinnati - Investigations of the exciton recombination, elasto-optic constants, and mechanical compliance of the organic semiconductor α-PTCDA under hydrostatic and uniaxial strain.

Professor Manuel Cardona, Max-Planck Institut fur Festkörperforschung, Stuttgart, Germany - Pressure-tuning of resonant phonon anharmonicity in isotope-pure II-VI crystals.

Professors B. D. McCombe and P. N. Prasad, Departments of Physics and Chemistry, University of Buffalo - Investigations of phonon-exciton and phonon-phonon interactions in one- and two- component nanostructures.

Dr. Alla Reznik, Sunnybrook and Women's College, Toronto, CA - Luminescence and Raman scattering studies of light-induced defects in amorphous Se x-ray imaging detectors.

Ph.D. students trained

Xi Chen - graduated SUNYAB, Sept 2004; thesis title, "Fabrication and magnetic studies of GaSb/Mn digital alloys'; Assist. Prof., State College, Pella Nebraska

Joseph Tischler -- graduated SUNYAB, Jan. 2000; thesis title, "High Pressure Far-Infrared Magneto-Spectroscopy of Impurity and Electronic States in GaAs/AlGaAs Multiple Quantum Wells"; first position--National Research Council Postdoctoral Associate at the Naval Research Lab., Washington, D.C.; promoted Jan. 2003 to Research Physicist, Solid State Devices Branch, Code 6818, Naval Research Lab.

Valentin Iota -- graduated SUNYAB, May 1998; thesis title, "Pressure Studies of Deep Defect Levels in Wide -Gap Semiconductors: Essential Role of Lattice Relaxation"; first position--Postdoctoral Associate at Lawrence Livermore Nat. Lab., Livermore CA.; second position-promoted June 2001 to permanent Staff Physicist, H-division, Physics Directorate, Lawrence Livermore National Laboratory.

Timothy M. Ritter -- graduated SUNYAB, 1997; thesis title, "High Pressure Optical Studies of Deep Levels and Band Offsets in Wide Bandgap Optoelectronic Systems"; currently Assistant Professor, Physical Sciences, UNC-Pembroke, Fayetteville, NC; promoted Sept. 2002 to Associate Professor at UNC-Pembroke.

Rujuin Chen -- graduated SUNYAB 1996; thesis title, "High Pressure Far-Infrared Magneto-Spectroscopy of Impurity and Free Electron States in Si-Doped GaAs using a Novel Diamond-Anvil Apparatus"; first position--Research Staff Member at Brimrose Corp. of America, Baltimore MD.; second position--Senior Hardware Engineer, Corvis Corp., 7065 Columbia, MD

Ming Li -- graduated SUNYAB 1993; thesis title, "High Pressure Studies of Deep Impurities in GaAs, ZnSe and Related Layered Structures"; first position -- postdoctoral associate, Carnegie Geophysical Inst., Washington, DC, with H-K. Mao; currently a financial analyst

Lijing Cui -- graduated SUNYAB 1992; thesis title, "Raman studies of the stability of semiconductor heterostructures under pressure"; first position-postdoctoral associate Physics Dept. Harvard Univ. with Prof. I. Silverra; 2nd position Research Staff Member, Wellman Laboratories of Photomedicine, Massachusetts General Hospital, Boston MA; currently unemployed

Masters students trained:

Alex Puschin -graduatied SUNYAB, May 2004, "Modulation spectroscopy to study biaxial and static uniaxial strain in semiconductors"; current position not known.

Thomas Burnett -- graduated SUNYAB, May 1991; thesis title, "Automated spatial mapping of spectroscopically measured quantities"; last known position news publication editor

Thomas Lehman -- graduated Purdue, 1977; no thesis; current position not known

Undergraduate research project supervision and/or honors thesis:

Alejandro deLozanne -- graduated Purdue, 1976; thesis title, "Effect of pressure on the absorption edge of ZnTe"; currently Prof. of Physics at Univ. of Texas, Austin

Scott R. Stambach, Jr. - graduated May 2002 with Department Honors, supervised work for Senior Honors Thesis, "High-Pressure Photoluminescence and Absorption Studies of GaAs1-xNx in the Critical Concentration Regime of x = 0.25% to 0.4%", currently studying for a Ph.D in physics at UC Sainta Barbara.

Research Experiences for Undergraduate (REU) Summer Students

Ahlam Hmadouch, summer 2004, experiments on high pressure Raman scattering in Si nanoparticles

Dianne Fields, summer 2003, experiments on pressure-tuning of resonant phonon anharmonicity in II-VI semiconductors

Post-doctoral research associates

Dr. U. D. Venkateswaran, currently Associate Prof., Oakland Univ., MI (post-doctoral, 1992)

Dr. D.J. Strachan, Currently Product Manager., Brimrose Corp. of America, MD (post-doctoral, 1994)