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中国物理学会期刊

VPd3是巡游电子弱铁磁体吗?

CSTR: 32037.14.aps.34.1373

IS VPd3 A WEAK ITINERANT FERROMAGNET?

CSTR: 32037.14.aps.34.1373
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  • 用自洽LMTO方法计算了VPd3化合物(Cu3Au结构)的电子结构及XPS谱。计算所得状态密度与Williams等人的结果是一致的。然而,与他们预言VPd3是具有1.4μB磁矩的铁磁体结果不同,由电子结构算得的Stoner参量为1.04,表明它很可能是一种巡游电子弱铁磁体。这与Burmester等人在低温下未测得VPd3有任何铁磁序的结果的分歧尚待讨论。

     

    The electronic structure and the X-ray photoemission spectrum for VPd3 were calculated using the self-consistent LMTO method. The general feature and the peak positions of the density of states were in reasonable agreement with Williams et al. Contrary to their result μs~1.4μB for VPd3, the calculated Stoner parameter for VPd3 is 1.04, which indicated that VPd3 may be considered as one of the weak itinerant magnets likely. Nevertheless, a discrepancy between ours and Burmester et al., who found no evidence for magnetic ordering in VPd3 down to 1.6 K, remained to be solved.

     

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