EVOLUTION FROM RANDOM-AXIS ISING TO STONER- WOHLFARTH TYPE OF HYSTERESIS LOOPS OF THE CLUSTER GLASS Fe 3 Nd PHASE IN BULK GLASSY Nd 60 Fe 30 Al 10 HARD MAGNETS
EVOLUTION FROM RANDOM-AXIS ISING TO STONER- WOHLFARTH TYPE OF HYSTERESIS LOOPS OF THE CLUSTER GLASS Fe 3 Nd PHASE IN BULK GLASSY Nd 60 Fe 30 Al 10 HARD MAGNETS
复制标题
DOI：
10.1016/s1359-6462(01)00706-0
复制
发表时间：
2001-05
影响因子：
6
通讯作者：
R. J. Ortega-Hertogs;A. Inoue;K. V. Rao
中科院分区：
文献类型：
--
作者：
R. J. Ortega-Hertogs;A. Inoue;K. V. Rao
讨论我们的数据清楚地表明存在两种不同的磁态：i）在非常低的温度下，各种富 Nd 和富 Fe 磁相的共存会发生复杂的磁行为。 7.5 和 20 K 处的磁转变表明 Nd 的不同短程有序共存，形成反铁磁富 Nd 相（另请注意居里韦斯拟合 χ 0− 1 在− 20 K 处的截距，参见图 1 (b) 插图）。这可能会让人想起不同的
DiscussionOur data clearly indicate the existence of two different magnetic regimes: i) a complex magnetic behaviour from the coexistence of various Nd-rich and Fe-rich magnetic phases takes place at very low temperatures. The magnetic transitions at 7.5 and 20 K suggest the coexistence of different short range orderings of Nd, forming the antiferromagnetic Nd-rich phase (notice also the interception at− 20 K of the Curie Weiss fit to χ 0− 1, cf. Fig. 1 (b) inset). This might be reminiscent of different