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https://doi.org/10.1063/5.0039709
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. https://doi.org/10.1063/5.0039709 | 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 | URI: | https://scholarbank.nus.edu.sg/handle/10635/232505 | ISSN: | 2158-3226 | DOI: | 10.1063/5.0039709 | Rights: | Attribution 4.0 International |
Appears in Collections: | Elements Staff Publications |
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