Award Abstract # 9726210
U.S.-Germany Cooperative Research: Electronic & Magnetic Excitations in II-VI Semiconductors and Their Alloys

NSF Org: OISE
Office of International Science and Engineering
Recipient: PURDUE UNIVERSITY
Initial Amendment Date: March 12, 1998
Latest Amendment Date: March 6, 2001
Award Number: 9726210
Award Instrument: Standard Grant
Program Manager: Mark A. Suskin
OISE
 Office of International Science and Engineering
O/D
 Office Of The Director
Start Date: March 15, 1998
End Date: August 31, 2002 (Estimated)
Total Intended Award Amount: $10,992.00
Total Awarded Amount to Date: $10,992.00
Funds Obligated to Date: FY 1998 = $10,992.00
History of Investigator:
  • Anant Ramdas (Principal Investigator)
Recipient Sponsored Research Office: Purdue University
2550 NORTHWESTERN AVE # 1100
WEST LAFAYETTE
IN  US  47906-1332
(765)494-1055
Sponsor Congressional District: 04
Primary Place of Performance: Purdue University
2550 NORTHWESTERN AVE # 1100
WEST LAFAYETTE
IN  US  47906-1332
Primary Place of Performance
Congressional District:
04
Unique Entity Identifier (UEI): YRXVL4JYCEF5
Parent UEI: YRXVL4JYCEF5
NSF Program(s): WESTERN EUROPE PROGRAM
Primary Program Source: app-0198 
Program Reference Code(s): 0000, 5936, OTHR
Program Element Code(s): 598000
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.079

ABSTRACT

This award supports Dr. Anant K. Ramdas and up to three graduate students from Purdue University in a collaboration with Harald Pascher of the Department of Experimental Physics at the University of Bayreuth. The collaboration will study the collective and localized excitations in the ternary and quaternary alloys of II-VI diluted magnetic semiconductors. Experimental investigations will involve spontaneous Raman scattering and coherent Stokes-Raman studies supplemented with modulation techniques, photoluminescence, and Fourier transform spectroscopy. Magnetic interactions in the diluted magnetic semiconductors, controlled by the concentration of the magnetic ions or by the dimensionality in sub-micron quantum well structures manifest themselves in a spectacular manner in numerous phenomena, such as the Faraday and Voigt effect, Raman-electron paramagnetic resonance, and Raman-anti-ferromagnetic resonance.

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