Electron spin resonance of interacting spins in n-Ge. 1. The spectrum and g factor

The changes in the spectrum and g factor of electron spin resonance due to the interaction of spins in the insulator state of n-Ge near the insulator-metal phase transition are studied. It is found that, in this region, the g factor decreases as the doping level is increased and exhibits anisotropy...

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Bibliographic Details
Published in:Semiconductors (Woodbury, N.Y.) N.Y.), 2007-07, Vol.41 (7), p.790-798
Main Authors: Veĭnger, A. I., Zabrodskiĭ, A. G., Tisnek, T. V., Goloshchapov, S. I.
Format: Article
Language:English
Subjects:
ANISOTROPY
ANTIFERROMAGNETISM
ELECTRON SPIN RESONANCE
GERMANIUM
LANDE FACTOR
MATERIALS SCIENCE
PHASE TRANSFORMATIONS
SPECTRA
SPIN
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Summary:The changes in the spectrum and g factor of electron spin resonance due to the interaction of spins in the insulator state of n-Ge near the insulator-metal phase transition are studied. It is found that, in this region, the g factor decreases as the doping level is increased and exhibits anisotropy in the immediate vicinity of the transition. The effects of compensation and induced antiferromagnetic ordering on the g factor are analyzed. It is shown that, as the transition point is approached, the high-temperature limit of observation of the electron spin resonance rises sharply.
ISSN:1063-7826
1090-6479
DOI:10.1134/S1063782607070044