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

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

2009-09-25

arxiv.org/abs/0909.4614v1

Physics

Condensed Matter

Materials Science

13 pages, 3 figures. accepted in Appl. Phys. Lett

Scientific paper

We report four probe impedance of La0.67Ba0.33MnO3 at f = 100 kHz under different dc bias magnetic fields. The ac resistance (R) exhibits a peak around Tp = 325 K which is accompanied by a rapid increase and a peak in the reactance (X) in a zero field. The magnetoreactance exhibits a sharp peak close to Tp and its magnitude (= 60% in H = 1 kG) exceeds that of the ac magnetoresistance (= 5 % inH = 1 kG). It is suggested that the magnetoreactance arises from changes in the self inductance of the sample rather than the capacitance.

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