Giant magnetoimpedance and domain structure in FeCuNbSiB films and sandwiched films

被引：90

作者：

Xiao, SQ ^{[1
]}

Liu, YH ^{[1
]}

Yan, SS ^{[1
]}

Dai, YY ^{[1
]}

Zhang, L ^{[1
]}

Mei, LM ^{[1
]}

机构：

[1] Shandong Univ, Dept Phys, Jinan 250100, Peoples R China

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 08期

关键词：

D O I：

10.1103/PhysRevB.61.5734

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Longitudinal and transverse giant magnetoimpedance (GMI) effects are studied in FeCuNbSiB and FeCuNbSiB/Cu/FeCuNbSiB films. In regard to as-deposited single layer films, hardly any GMI effect can be detected, while for as-deposited sandwiched films, the maximum GMI ratios of 32% and 11% are obtained in longitudinal and transverse fields, respectively. After annealing, the maximum GMI ratios of 18% and 14% are obtained for the single-layer films in longitudinal and transverse cases, while for the sandwiched films, the maximum GMI ratios are 67% and 80% in longitudinal and transverse cases, respectively. A giant magneto-inductance ratio as large as 1733% is obtained in annealed sandwiched films at a low frequency of 100 kHz. In order to know the relation between GMI effect and magnetic properties of the samples, the domain structures are observed by the Kerr effect.

引用

页码：5734 / 5739

页数：6

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