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Title: Anomalous Nernst effect in Pr0.5Sr0.5CoO3
Authors: Ghosh, A. 
Chanda, A. 
Mahendiran, R. 
Issue Date: 1-Mar-2021
Publisher: American Institute of Physics Inc.
Citation: Ghosh, A., Chanda, A., Mahendiran, R. (2021-03-01). Anomalous Nernst effect in Pr0.5Sr0.5CoO3. AIP Advances 11 (3) : 35031. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: We report the anomalous Nernst effect (ANE) in polycrystalline metallic perovskite Pr0.5Sr0.5CoO3. The transverse Seebeck coefficient (Sxy) was measured at selected temperatures for magnetic fields up to H = 50 kOe and also as a function of temperature at two selected magnetic fields (H = 2 and 10 kOe). While Sxy increases linearly with H above the Curie temperature (TC ?229 K), it changes non-linearly at low fields in the ferromagnetic state and exhibits hysteresis similar to magnetization. Linear extrapolation of the high field Sxy vs H graph to zero field gives Sxy = 0.46 ?V/K at 175 K. It is found that the manganite counterpart Pr0.5Sr0.5MnO3 having a similar hole content exhibits much smaller Sxy than Pr0.5Sr0.5CoO3 in a field of 2 kOe. Our analysis suggests that the ANE in this sample is most likely due to asymmetric skew scattering of charge carriers. © 2021 Author(s).
Source Title: AIP Advances
ISSN: 2158-3226
DOI: 10.1063/5.0039709
Rights: Attribution 4.0 International
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