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author:

罗新 (罗新.) [1] | 刘世雄 (刘世雄.) [2]

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CQVIP

Abstract:

首次报导X射线粉末衍射法测量铁粉晶胞的磁致伸缩系数.还原铁粉样品原位磁化后,铁立方晶胞产生磁致伸缩效应,晶胞参数的变化引起衍射峰位置和晶面间距的变化.实验测得铁晶胞λ100为3.33×10-4,此结果表明铁晶胞的微观磁致伸缩系数比棒状、薄膜或粉末压片的系数大约16倍.对此现象进行了合理的理论解释,指出大块材料中的粉末多晶之间具有较大的空隙,从而使得宏观磁致伸缩系数变小.

Keyword:

X射线粉末衍射法 原位磁化 磁致伸缩 铁晶胞

Community:

  • [ 1 ] 福州大学中心实验室,福建,福州,350002,东华理工学院应用化学系,江西,抚州,344000
  • [ 2 ] 福州大学中心实验室,福建,福州,350002

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Source :

东华理工学院学报

ISSN: 1000-2251

Year: 2004

Issue: 2

Volume: 27

Page: 178-180

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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