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Physics and AstronomySolid State Physics

Oriented Silver Halide Nanocrystals Embedded in Crystalline Alkali Halide Matrix as Studied by EPR and ODMR

Authors: N. G. Romanov; R. A. Babunts; A. G. Badalyan; V. A. Khramtsov; P. G. Baranov; RUSSIAN ACADEMY OF SCIENCES SAINT PETERSBURG IOFFE PHYSICAL-TECHNICAL INST
Abstract:
Shallow electron centers self-trapped holes and self-trapped excitons in small AgCl crystals embedded in KCl matrix were investigated by optical spectroscopy optically detected magnetic resonance (ODMR), and electron paramagnetic resonance (EPR) techniques. These investigations showed that single AgCl microcrystals are formed in KCl crystalline matrix with their lattice symmetry axes oriented parallel to the axes of the host lattice. Multiquantum ODMR spectroscopy was used for the investigation of the effect of confinement on singlet-to-triplet splitting of self-trapped excitons and on the parameters of shallow electron centers.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Conference proceedings
Pages: 4
Report Date: 23 JUN 2000
Report Number: P380310
Keywords relating to this report:
*CRYSTAL LATTICES
*ELECTRON PARAMAGNETIC RESONANCE
EXCITONS
MATRIX MATERIALS
MICROSTRUCTURE
OPTICAL PROPERTIES
RUSSIA
SILVER HALIDES
SPECTROSCOPY
TRAPPING_CHARGED PARTICLES_
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