A large magnetoinductance effect in La0.67Ba0.33MnO3

被引：6
|
作者：
Naik, V. B. [1 ]
Rebello, A.
Mahendiran, R.
机构：
[1] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore
来源：
APPLIED PHYSICS LETTERS | 2009年 / 95卷 / 08期
关键词：
barium compounds; ferromagnetic materials; lanthanum compounds; magnetoresistance; MAGNETOCAPACITANCE; MAGNETOIMPEDANCE; TEMPERATURE; IMPEDANCE;
D O I：
10.1063/1.3212730
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report four probe impedance (Z=R+iX) of La0.67Ba0.33MnO3 at f=100 kHz under different dc bias magnetic fields. The ac resistance (R) exhibits a peak around T-P=325 K which is accompanied by a rapid increase and a peak in the reactance (X) in a zero field. The magnetoreactance (Delta X/X) exhibits a sharp peak close to T-P and its magnitude (approximate to 60% in H=1 kG) exceeds that of the ac magnetoresistance (Delta R/R=5%). It is suggested that the magnetoreactance arises from changes in the self inductance of the sample rather than the capacitance.
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页数：3
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