[1]张腾,古宏伟,丁发柱.MOCVD法制备YBCO高温超导体所需前驱盐的制备研究[J].中国材料进展,2011,(12):052-55.
ZHANG Teng,GU Hongwei,DING Fazhu. Study on the Precursors for MOCVD of High T c Superconductors YBCO[J].MATERIALS CHINA,2011,(12):052-55.
点击复制
MOCVD法制备YBCO高温超导体所需前驱盐的制备研究(
)
中国材料进展[ISSN:1674-3962/CN:61-1473/TG]
- 卷:
-
- 期数:
-
2011年第12期
- 页码:
-
052-55
- 栏目:
-
前沿综述
- 出版日期:
-
2011-12-25
文章信息/Info
- Title:
-
Study on the Precursors for MOCVD of High T c Superconductors YBCO
- 作者:
-
张腾; 古宏伟; 丁发柱
-
(中国科学院电工研究所 应用超导重点实验室,北京 100190)
- Author(s):
-
ZHANG Teng; GU Hongwei; DING Fazhu
-
(Key Laboratory of Applied Superconductivity, Institute of Electrical Engineering,Chinese Academy of Sciences, Beijing 100190, China)
-
- 关键词:
-
YBCO; MOCVD; 前驱盐; 2; 2; 6; 6四甲基3; 5庚二酮
- 文献标志码:
-
A
- 摘要:
-
通过金属有机源化学气相沉积技术(MOCVD)已可制得I c达280 A/cm,I c×L为 300 330 A·m的高性能YBCO带材,表现出巨大的优势和诱人的应用前景。进一步提高前驱盐的挥发性和批次稳定性不但能降低YBCO带材的生产成本、也能提高其性能稳定性。本研究报道了MOCVD法制备YBCO所需β二酮中间体TMHD及其钇、钡、铜金属有机前驱盐的制备,通过红外光谱和核磁共振谱对其化学结构予以确认;同时以金属钡与TMHD在正戊烷或正己烷中制备了无水 β 二酮钡盐(Ba[tmhd]2),随后用五乙烯六胺为辅助配体(L)制备了挥发性更好的无水复合配体钡盐(Ba[tmhd]2·L),并通过热重分析技术比较了各前驱盐的挥发性,结果表明:辅助配体五乙烯六胺对提高钡盐挥发性作用显著。
- Abstract:
-
By metal organic chemical vapor deposition process (MOCVD), the kilometer lengths of YBa2Cu3Ox (YBCO) secondgeneration HTS wires with a minimum critical currents of 280A/cm corresponding to a record Ic×length value of 300330 A·mm has been obtained, and MOCVD technique showed great advantage and attractive prospect in YBCO manufacture of high throughput that enables large production capacity.
更新日期/Last Update:
2012-01-30