Spin-Lattice Relaxation of Al^{27} in Thulium Aluminum Garnet

Loading...
Thumbnail Image

Date

1973-05

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

The Al27 spin-lattice relaxation time T1 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 T1 dips at 275 °K which are attributed to Al27-Tm169 cross relaxation. Below 190 °K the a-site T1 magnitudes and approximately ω−2 frequency dependence are explained by magnetic field fluctuations caused by the Tm3+ ion making transitions between its two lowest crystal-field levels with a correlation time near 4 × 10−12 sec.

Description

Keywords

Physics, Electromagnetics

Citation

Z. Trontelj and V.H. Schmidt, "Spin-lattice relaxation of Al27 in thulium aluminum garnet" Phys. Rev. B 7, 4145-4153 (1973).
Copyright (c) 2002-2022, LYRASIS. All rights reserved.