Abstract
Abstract In contrast to the other magnetic Rare Earth (RE) ions for which the cubic Laves REIr 2 compound is ferromagnetic, YbIr 2 and TmIr 2 are antiferromagnetic below 0.40 and 0.05 K, respectively. Both are trivalent above 4 K, with a possible reduced moment for TmIr 2 below 0.3 K. In addition, CeIr 2 and LuIr 2 are superconductive below 0.20 and 0.23 K, respectively.
Highlights
UNUSUAL MAGNETIC BEHAVIOR OF TmIr, and YbIr, J.O. WILLIS, J.L. SMITH and Z
In contrast to the other magnetic Rare Earth (RE) ions for which the cubic Laves REIr, compound is ferromagnetic, YbIr, and TmIr, are antiferromagnetic below 0.40 and 0.05 K, respectively. Both are trivalent above 4 K, with a possible reduced moment for TmIr,below 0.3 K
Gennes factor [2], and ordered moment values to fall between 2S and gJ
Summary
UNUSUAL MAGNETIC BEHAVIOR OF TmIr, and YbIr, J.O. WILLIS, J.L. SMITH and Z. In contrast to the other magnetic Rare Earth (RE) ions for which the cubic Laves REIr, compound is ferromagnetic, YbIr, and TmIr, are antiferromagnetic below 0.40 and 0.05 K, respectively. The predominant behavior of the magnetic Rare Earth (RE)Ir, (Cl& cubic Laves phase) intermetallic compounds is local moment paramagnetism at high temperature and ferromagnetic order at low temperature, as reported by Bozorth et al [l].
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