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|Title:||Alternating current magnetotransport in Sm0.1La 0.6Sr0.3MnO3|
|Citation:||Aparnadevi, M., Mahendiran, R. (2013). Alternating current magnetotransport in Sm0.1La 0.6Sr0.3MnO3. AIP Advances 3 (1) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4789408|
|Abstract:||We report frequency dependent (f = 0.1 to 5 MHz) electrical resistivity in Sm0.1La0.6Sr0.3MnO3 in superimposed dc magnetic fields (H = 0-1 kOe). Resistive (ρ′) and reactive (ρ″) components of the complex resistivity (ρ = ρ′+iρ″) were measured simultaneously. With increasing f, both ρ′ and ρ″ increase abruptly at the onset of ferromagnetic transition (Tc = 348 K) and exhibit an anomaly at T *≈147 K≪Tc in H=0 kOe. The observed features in ρ′ and ρ″ are depressed with increasing H leading to 35% magnetoresistance for ΔH = 300 Oe and f = 3 MHz. It is suggested that the frequency dependent magnetotransport is dominated by the field and frequency dependences of the ac permeability. Copyright © 2013 Author(s).|
|Source Title:||AIP Advances|
|Appears in Collections:||Staff Publications|
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