电子掺杂LaCoO$_{3}$中Co价态与自旋态的微观研究
强关联电子
2016-08-03 v4
摘要
我们通过测量X射线吸收谱和电子自旋共振，研究了电子掺杂LaCoTeO中的Co价态与自旋态。低温绝缘态涉及低自旋Co ()和高自旋Co态，后者由和描述。该结果与被电阻率证实的电子-空穴不对称性一致，并与该体系中的自旋阻塞现象相符。进一步，我们从强共价键性质讨论了因子，并考虑了该现象的多种起源。
引用
@article{arxiv.1503.02139,
title = {Microscopic examinations of Co valences and spin states in electron-doped LaCoO$_{3}$},
author = {Keisuke Tomiyasu and Syun-Ichi Koyama and Masanori Watahiki and Mika Sato and Kazuki Nishihara and Yuki Takahashi and Mitsugi Onodera and Kazuaki Iwasa and Tsutomu Nojima and Hiroyuki Nojiri and Jun Okamoto and Di-Jing Huang and Yuuichi Yamasaki and Hironori Nakao and Youichi Murakami},
journal= {arXiv preprint arXiv:1503.02139},
year = {2016}
}
备注
7 pages, 5 figures, and 1 table