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author:

毛宏英 (毛宏英.) [1] | 周白杨 (周白杨.) [2] (Scholars:周白杨) | 雷德辉 (雷德辉.) [3] | 汤乐明 (汤乐明.) [4] | 邓光华 (邓光华.) [5]

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Abstract:

为了提高TbDv-Fe膜的低场磁敏性,采用离子束溅射沉积(IBSD)法制备TbDy-Fe超磁致伸缩薄膜,分别研究了纯Fe膜与TbDy-Fe单层膜、TbDy-Fe/Fe耦合多层膜的复合及磁场下溅射沉积对TbDy-Fe膜磁致伸缩性能的影响;用振动样品磁强计(VSM)测试薄膜磁滞回线,用电容位移测量仪测试薄膜悬臂梁自由端偏转量,并计算出磁致伸缩系数λ.结果表明,由IBSD法制备的纯Fe膜、TbDy-Fe单层膜、TbDy-Fe/Fe复合膜的易磁化轴均平行于膜面,TbDy-Fe/Fe复合膜在低场下的磁化强度与磁导率均高于TbDy-Fe单层膜(在100 kA/m时,TbDy-Fe/Fe复合膜的磁化强度比TbDy-Fe单层膜高173%).纯Fe膜分别与TbDy-Fe单层膜、TbDy-Fe/Fe耦合多层膜进行复合均可提高薄膜磁致伸缩性能;磁场下溅射沉积所得180 nm纯Fe膜+640 nmTbDy-Fe/Fe耦合多层膜,由于在其膜面内短轴方向产生感生磁各向异性,从而使磁致伸缩性能得到进一步的提高,在150 kA/m的磁场下它的λ值可达到650×10-6.

Keyword:

TbDy-Fe膜 复合 磁致伸缩 离子束溅射沉积 耦合

Community:

  • [ 1 ] [毛宏英]福州大学
  • [ 2 ] [周白杨]福州大学
  • [ 3 ] [雷德辉]福州大学
  • [ 4 ] [汤乐明]福州大学
  • [ 5 ] [邓光华]福州大学

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Source :

微细加工技术

ISSN: 1003-8213

CN: 43-1140/TN

Year: 2008

Issue: 3

Page: 30-34,59

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 7

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