Superconducting glass-ceramics in BiSrCaCu2Al0.5Ox—Comparison between rod and powder compacted specimens-Reference-Cited by-同舟云学术

Superconducting glass-ceramics in BiSrCaCu2Al0.5Ox—Comparison between rod and powder compacted specimens

Published:1991-06 Issue:6 Volume:6 Page:1156-1159
ISSN:0884-2914
Container-title:Journal of Materials Research
language:en
Short-container-title:J. Mater. Res.

Author:

Hirata Kazumi,Abe Yoshihiro

Abstract

Superconducting properties are studied for glass-ceramics which were prepared by reheating glass rods and the glass powder compacts in the BiSrCaCu2Al0.5Ox system, respectively. The glass-ceramic rod specimens obtained by reheating rod glass at 800–830 °C for 50 h have a Tc (R = 0) of 85 K, while the disk specimens obtained by reheating the powdered glass compacts in the same way do not exhibit superconductivity above 77 K. This difference in superconductivity between the specimens is discussed in terms of the crystallization process and the amount of oxygen absorption of the specimens during heating.

Publisher

Springer Science and Business Media LLC

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

Reference10 articles.

1. Superconducting glass‐ceramic rods in BiCaSrCu2Oxprepared by crystallization under a temperature gradient

2. High-TcSuperconducting Glass Ceramics Based on the Bi-Ca-Sr-Cu-O System

3. Superconducting Glass-Ceramic Fine Rods in Bi1Ca1Sr1Cu2Al0.5OxPrepared under a Temperature Gradient --Tcand the Texture of Specimen --

4. Amorphous‐to‐crystalline transformations in bismuth‐oxide‐based high Tc superconductors

5. Glass Formation of High-TcCompound BiCaSrCu2Oxby Rapid Quenching

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