CeRu2Al10长程有序态的中子散射研究
强关联电子
2015-05-20 v2
摘要
我们对正交晶系CeRu2Al10的多晶和单晶样品进行了弹性和非弹性中子散射测量。在T0 = 27 K以下形成的有序态被确认为具有波矢k = (1,0,0)的长程反铁磁态。在粉末样品上测得的有序相磁谱响应特征为：存在自旋能隙以及在8 meV处有一个明显峰，其Q依赖性表明其具有磁性起源。当温度升至T0时，这两个特征均被抑制，并在40 K时观察到常规弛豫行为。本文结合同一化合物近期的磁化结果讨论了这种奇特的自旋动力学。
引用
@article{arxiv.1010.5085,
title = {Neutron scattering study of the long-range ordered state in CeRu2Al10},
author = {Jean-Michel Mignot and Julien Robert and Gilles André and Alexandre M. Bataille and Takashi Nishioka and Riki Kobayashi and Masahiro Matsumura and Hiroshi Tanida and Daiki Tanaka and Masafumi Sera},
journal= {arXiv preprint arXiv:1010.5085},
year = {2015}
}
备注
5 pages, 5 figures, International Conference on Heavy Electrons 2010 (Tokyo Metropolitan University, September 17 - 20, 2010), to be published in Journal of the Physical Society of Japan. Typo corrected p. 3: "sites denoted 1 and 3" => "1 and 4"