EPR studies of Gd as a probe of uranium intermetallic compounds and YbCuAl
- 1 December 1985
- journal article
- Published by Taylor & Francis in Philosophical Magazine Part B
- Vol. 52 (6) , 1097-1105
- https://doi.org/10.1080/13642818508238953
Abstract
G-shifts and linewidths in the X band are given for Gd impurities substituted for U in UAl2, UCo2 and URh3, and for Yb in YbCuAl. No resonance was observed for the first of these alloys, an effect ascribed to 5f spin-fluctuation character. For the other U compounds Δg and the temperature dependence of the linewidth were fairly small. For YbCuAl a very large positive g-shift and a strong temperature dependence of linewidth were observed. These results are compared with those for other materials in which spin-fluctuation or intermediate-valence character have been suggested.Keywords
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