Itinerant magnetic ordering in EuRh3B2

Malik, S. K. ; Vijayaraghavan, R. ; Boltich, E. B. ; Wallace, W. E. ; Dhar, S. K. (1982) Itinerant magnetic ordering in EuRh3B2 Solid State Communications, 43 (6). pp. 461-462. ISSN 0038-1098

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The RRh3B2 (R=La to Gd) compounds crystallize in the hexagonal CeCo3B3 type structure. The unit cell volume of EuRh3B2 follows the usual lanthanide contraction, indicating that Eu is in a trivalent state (electronic configuration 4f6; 7F0) and hence is nonmagnetic. Magnetization studies on EuRh3B2, however, reveal that this compound orders magnetically with Curie temperature of 40 K and a moment of 0.55 μB per formula unit at 4.2 K and 20 kOe applied field. The magnetism is presumed to be of the itinerant type arising from the Rh d band. Possibly the Eu 4f electrons also play a significant role.

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Deposited On:15 Sep 2011 11:35
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