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Author:

赵福祥 (赵福祥.) | 杨祥鹏 (杨祥鹏.)

Indexed by:

CQVIP

Abstract:

利用粉末装管法在不同温度、升温速率、加热时间等条件下制备了MgB2块材,并对其纯度、晶粒大小、临界电流密度等性质进行了研究.PPMS(物性测量系统)对样品的超导性质进行了测试,结果表明,随着烧结温度的提高,MgB2块材在高场区的临界电流密度反而减小;掺杂SiC纳米晶须可以改善样品的微结构,并提高临界电流密度,在900℃获得了最高的Jc(临界电流密度),在 20 K零场Jc值为3×105A/cm2.

Keyword:

二硼化镁 超导 临界电流密度

Author Community:

  • [ 1 ] [赵福祥]东南大学
  • [ 2 ] [杨祥鹏]北京工业大学

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Source :

化工时刊

ISSN: 1002-154X

Year: 2006

Issue: 10

Volume: 20

Page: 1-2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 5

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