Daivajna, Mamatha D and Rao, Ashok and Okram, G S (2015) Electrical, thermal and magnetic studies on Bi-substituted LSMO manganites. Journal of Magnetism and Magnetic Materials, 388. pp. 90-95.
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Abstract
In the present investigation detailed electrical, magnetic and thermoelectric measurements on Bi-doped L0.6�xBixSr0.4MnO3 (0rxr0.3) manganite shavebeen done.Allthesamplesaresinglephased.The metal-insulator transitiontemperatures(TMI) aswellastheCurietemperature(TC) arebothfoundto decrease withBi-content.Magneto-resistance(MR)datashowsthatMR(%)increaseswithBi-content therebyshowingitcanbeusedinmagneticmemorybaseddevices.Resistivitydatashowsthatsmall polaron hopping(SPH)modelisvalidinhightemperatureregime.Lowtemperatureresistivitydata depicts thatelectron–electron scatteringismainlyresponsiblefortheconductionmechanism.High temperaturethermoelectricpower(TEP)datareaffirms thevalidityofSPHmodel
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Manganites,Electrical resistivity,Magnetization,Thermoelectric power |
| Subjects: | Engineering > MIT Manipal > Physics |
| Depositing User: | MIT Library |
| Date Deposited: | 29 Jun 2015 09:34 |
| Last Modified: | 29 Jun 2015 09:34 |
| URI: | http://eprints.manipal.edu/id/eprint/143163 |
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