1975 Volume 39 Issue 3 Pages 643-646
Electron paramagnetic resonance of Gd3+ diluted in intermetallic compounds YX (where X is one of the group-VA elements, P, As and Sb) has been studied from 4.2 K to 300 K. The data can be interpreted by employing Hasegawa’s theory. It has been shown that the systems approach the isothermal limit when the Gd3+concentration in YAs and YSb is less than 1 atomic per cent. The temperature-dependent linewidth increases drastically with increasing lattice constants of the hosts.
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