Pr 化合物中的四极矩相互作用:PrFe4P12 和 PrBa2Cu3O6
强关联电子
2009-11-07 v2
摘要
我们检讨了带近似degeneracy(近似简并)的两种最低晶场水平的 trivalent Pr 晶场模型,其中由相互作用引起的四极矩和偶极矩与晶场基态的永久矩同等重要。我们发现Gamma1-Gamma4 能级方案能够成功描述 PrFe4P12 的反四极矩有序。对于PrBa2Cu3O6,我们认为四极矩相互作用对于理解其在11K处的 Pr 排序转变至关重要。
引用
@article{arxiv.cond-mat/0212345,
title = {Quadrupolar interactions in Pr compounds: PrFe4P12 and PrBa2Cu3O6},
author = {A. Kiss and P. Fazekas},
journal= {arXiv preprint arXiv:cond-mat/0212345},
year = {2009}
}
备注
One of the figures, and a few sentences replaced. 8 pages, 5 figures, iopart submitted to the Proceedings of the conference on "Advances in the Physics of f-electron Systems (JAERI Tokai, Japan), accepted for publication in J. Phys.: Condensed Matter