Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3293292
Title: Influence of length and measurement geometry on magnetoimpedance in La0.7 Sr0.3 MnO3
Authors: Rebello, A.
Mahendiran, R. 
Issue Date: 2010
Source: Rebello, A., Mahendiran, R. (2010). Influence of length and measurement geometry on magnetoimpedance in La0.7 Sr0.3 MnO3. Applied Physics Letters 96 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3293292
Abstract: We show that ac magnetoresistance at room temperature in La0.7 Sr0.3 MnO3 is extremely high (≈-47% in μ0 H=100 mT, f=3-5 MHz), and magnetic field dependence of reactance exhibits a double peak behavior. However, magnitudes of the ac magnetoresistance and magnetoreactance for a fixed length of the sample (li) decrease with decreasing separation (l v) between voltage probes unlike the dc magnetoresistance. On the contrary, change in li has a negligible influence on magnetoimpedance when lv is fixed. Our results indicate that high frequency electrical transport is sensitive to local variations in the magnetic permeability. © 2010 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/96913
ISSN: 00036951
DOI: 10.1063/1.3293292
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