High-Field EPR with optical detection in semiconductors

• Applicant: Professor Dr. Siegmund Greulich-Weber
• Subject Area: Experimental Condensed Matter Physics
• Term: from 2002 to 2006
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 5382689

High-field EPR and ENDOR with optical detection (high field ODMR) can have several advantages over conventional high-field EPR using microwave bridges: Higher sensitivity allowing the investigation of low defect concentrations in very small volumes and direct correlation of optical and microscopical properties. We want to improve our 72/95 GHz ODMR set up for PL-(photoluminescence) detected EPR/ENDOR with respect to better cavities with optical access for PL-ENDOR. Furthermore we want to investigate the structure of P-related dopants implanted into thin epitaxial layers of 4H- and 6H-SiC with respect to their lattice sites, electronic and microscopic structures as well as the accompanying implantation defects and their annealing properties.

• DFG Programme: Priority Programmes
• Subproject of: SPP 1051: Hochfeld-EPR in Biologie, Chemie und Physik
• Participating Person: Professor Dr. Johann-Martin Spaeth