Low-temperature thermal-expansion anomaly in Bi2Sr2CuO6

被引：3
|
作者：
Anshukova, NV
Golovashkin, AI
Ivanova, LI
Krynetskii, IB
Rusakov, AP
Shulyatev, DA
机构：
[1] Russian Acad Sci, PN Lebedev Phys Inst, Moscow 119991, Russia
[2] Moscow Steel & Alloys Inst, Moscow 117936, Russia
[3] Moscow MV Lomonosov State Univ, Moscow 119899, Russia
来源：
PHYSICS OF THE SOLID STATE | 2004年 / 46卷 / 08期
基金：
俄罗斯基础研究基金会;
关键词：
Spectroscopy; Magnetic Field; State Physics; Anomaly Region;
D O I：
10.1134/1.1788768
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Single-crystal samples of the Bi2 + xSr2 - x - yCu1 + yO6 + delta system revealed anomalous (negative) thermal expansion in the temperature range 10-20 K. Magnetic fields of 1-3 T were found to strongly affect the position and width of the anomaly region. A thermal-expansion singularity was detected at temperatures T approximate to 30-50 K, which may be related to the formation of a pseudogap. (C) 2004 MAIK "Nauka / Interperiodica".
引用
收藏
页码：1394 / 1397
页数：4
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