Spin relaxation processes in the defect hole centres of Be doped MgO single crystals

Autor:	S. Nakonechnyi, Tiit Kärner, V. Issahanyan, Aarne Maaroos
Rok vydání:	2005
Předmět:	Paramagnetism Condensed matter physics law Transverse relaxation Chemistry Doping Microwave power Relaxation (physics) Electron paramagnetic resonance Spin relaxation Molecular physics Spectral line law.invention
Zdroj:	physica status solidi (c). 2:426-429
ISSN:	1610-1634
DOI:	10.1002/pssc.200460199
Popis:	The dependence of the width and intensity of the EPR spectrum lines of various paramagnetic hole centers in MgO:Be on the measurement temperature and applied microwave power has been measured. Using these data, the longitudinal and transverse relaxation times are estimated. With the aid of the found relaxation times, the temperature dependences of the EPR spectra of these centres are calculated. The validity of the obtained results is estimated by comparing the calculated temperature dependences of the EPR spectra with the measured ones. The mechanism of spin-lattice relaxation is analyzed using the models of the centres. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
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