OXYGEN-DEFICIENCY-BASED ANOMALIES IN THE ULTRASONIC PROPERTIES OF BI(2212) CRYSTALS

被引：5

作者：

ANDERSON, AR

GU, G

TAYLOR, KNR

RUSSELL, GJ

机构：

[1] Adv. Electron. Mater. Phys., New South Wales Univ., Kensington, NSW

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1992年 / 5卷 / 04期

关键词：

D O I：

10.1088/0953-2048/5/4/010

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ultrasonic velocity and internal friction measurements on a single crystal of Bi2Sr2Ca1CU2Ox grown by directional solidification have shown a number of anomalous features and instabilities which correlate well with annealing treatments designed to change the oxygen concentration. It is suggested that a first-order Phase change occurs close to 150 K in crystals annealed under vacuum conditions.

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页码：258 / 261

页数：4

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