Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3116119
Title: Magnetically tunable rf wave absorption in polycrystalline La 0.67 Ba0.33 MnO3
Authors: Naik, V.B.
Mahendiran, R. 
Issue Date: 2009
Citation: Naik, V.B., Mahendiran, R. (2009). Magnetically tunable rf wave absorption in polycrystalline La 0.67 Ba0.33 MnO3. Applied Physics Letters 94 (14) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3116119
Abstract: We investigated temperature and magnetic field dependent radio-frequency electromagnetic absorption in La0.67 Ba0.33 MnO 3 by monitoring changes in resonance frequency (fr) and current (I) through a LC resonant circuit powered by an integrated chip oscillator. The ferromagnetic to paramagnetic transition at TC in zero magnetic field is accompanied by an abrupt increase in fr and I and they are tunable by small external magnetic field. We observed fractional changes as much as 46% in Δ fr / fr and 23% in ΔI/I around TC under μ0 H=0.1 T that can be exploited for low-magnetic field sensors and other applications. © 2009 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/97130
ISSN: 00036951
DOI: 10.1063/1.3116119
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