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Optical detection of spin relaxation processes in the triplet state of the self trapped exciton in alkali halides

By Y. Mori, J. P. Von der Weid and Michel A. Aegerter


The transient response of the triplet self-trapped exciton luminescence intensity to a pulsed microwave excitation was measured for 1.3 K < T < 4.2 K in NaCl, KCl, RbCl, KBr, RbBr and CsBr. The results are quantitatively explained with a theoretical model describing the spin relaxation phenomena as 1-phonon direct processes. Good agreement was obtained as a function of temperature and magnetic field

Topics: Spin, Relaxation, Exziton, Natural sciences and mathematics
Publisher: Sonstige Einrichtungen. INM Leibniz-Institut für Neue Materialien
Year: 1978
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