Underdoped 超导 Cuprate 中 1/8 掺杂处空穴局域化
超导电性
2009-10-31 v1 强关联电子
摘要
对 YBaCuO 和 HgBaCaCuO(=1,2,3)中样品在广泛掺杂范围内的热电导数进行温度测量,建议在空穴浓度接近 =1/8 时,小尺度的局域化空穴域 develops。数据暗示该局域化机制源于 CuO 层内,并通过与氧空位簇相关的局域化效应加强。
引用
@article{arxiv.cond-mat/9811060,
title = {Hole Localization in Underdoped Superconducting Cuprates Near 1/8th Doping},
author = {J. L. Cohn and C. P. Popoviciu and Q. M. Lin and C. W. Chu},
journal= {arXiv preprint arXiv:cond-mat/9811060},
year = {2009}
}
备注
4 pages, 4 eps fig.'s, to be published, Phys. Rev. B