A NEW IMPROVED SYNTHESIS OF THE 110-K BISMUTH SUPERCONDUCTING PHASE - FREEZE-DRYING OF ACETIC SOLUTIONS

被引：16

作者：

PRIMO, V

SAPINA, F

SANCHIS, MJ

IBANEZ, R

BELTRAN, A

BELTRAN, D

机构：

[1] UIBCM, Departament de Química Inorgánica, Facultat de Química, 46100 Burjassot, Valencia

来源：

MATERIALS LETTERS | 1992年 / 15卷 / 03期

关键词：

D O I：

10.1016/0167-577X(92)90135-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Metastability has greatly hindered the separated synthesis of the high-temperature superconducting phases represented as (Bi1-x, Pbx)2Sr2Can-1CunO4+2n (n=2, 2-2-1-2, T(c) almost-equal-to 80 K, and n=3, 2-2-2-3, T(c) almost-equal-to 110 K). By careful control of the synthetic variables, it becomes possible to obtain the 110 K phase as the only superconducting one through processing of freeze-dried acetic solutions. This technique leads to homogeneously sized (5-10 mum) micaceous platelets of the superconducting material.

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页码：149 / 155

页数：7

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