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Spin-Lattice Relaxation of Al 27 in Thulium Aluminum Garnet

Spin-Lattice Relaxation of Al 27 in Thulium Aluminum Garnet The Al 27 spin-lattice relaxation time T 1 has been measured between 127 and 425 °K at 8 and 14 MHz for the aluminum a and d sites in thulium aluminum garnet. Both sites exhibit T 1 dips at 275 °K which are attributed to Al 27 - Tm 169 cross relaxation. Below 190 °K the a -site T 1 magnitudes and approximately ω - 2 frequency dependence are explained by magnetic field fluctuations caused by the Tm 3 + ion making transitions between its two lowest crystal-field levels with a correlation time near 4 × 10 - 12 sec. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review B American Physical Society (APS)

Spin-Lattice Relaxation of Al 27 in Thulium Aluminum Garnet

Trontelj, Z
Physical Review B , Volume 7 (9) – May 1, 1973
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References (1)

Publisher
American Physical Society (APS)
Copyright
Copyright © 1973 The American Physical Society
ISSN
1095-3795
DOI
10.1103/PhysRevB.7.4145
Publisher site
See Article on Publisher Site

Abstract

The Al 27 spin-lattice relaxation time T 1 has been measured between 127 and 425 °K at 8 and 14 MHz for the aluminum a and d sites in thulium aluminum garnet. Both sites exhibit T 1 dips at 275 °K which are attributed to Al 27 - Tm 169 cross relaxation. Below 190 °K the a -site T 1 magnitudes and approximately ω - 2 frequency dependence are explained by magnetic field fluctuations caused by the Tm 3 + ion making transitions between its two lowest crystal-field levels with a correlation time near 4 × 10 - 12 sec.

Journal

Physical Review B – American Physical Society (APS)

Published: May 1, 1973

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