Large magnetoresistance in La1-xSrxMnO3 and its dependence on magnetization

R. Mahendiran, A. K. Raychaudhuri, Ashish Atma Chainani, D. D. Sarma, S. B. Roy

Research output: Contribution to journalArticle

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Abstract

In this letter we report large magnetoresistance (MR) in ceramic samples of La1-xSrxMnO3 (0.1≤x≤0.4) in the temperature range 4.2 K≤T≤350 K in fields up to 6 T. We find that a large negative and isotopic MR exists for the whole composition range studied and the absolute value of resistivity change on application of magnetic field is more for samples with lower x which have higher resistivity. We find that the large MR occurs in the ferromagnetic state only and MR has a close relation with the magnetization M.

Original languageEnglish
Number of pages1
JournalApplied Physics Letters
Publication statusPublished - 1995 Dec 1

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magnetization
electrical resistivity
ceramics
magnetic fields
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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Large magnetoresistance in La1-xSrxMnO3 and its dependence on magnetization. / Mahendiran, R.; Raychaudhuri, A. K.; Chainani, Ashish Atma; Sarma, D. D.; Roy, S. B.

In: Applied Physics Letters, 01.12.1995.

Research output: Contribution to journalArticle

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AU - Mahendiran, R.

AU - Raychaudhuri, A. K.

AU - Chainani, Ashish Atma

AU - Sarma, D. D.

AU - Roy, S. B.

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AB - In this letter we report large magnetoresistance (MR) in ceramic samples of La1-xSrxMnO3 (0.1≤x≤0.4) in the temperature range 4.2 K≤T≤350 K in fields up to 6 T. We find that a large negative and isotopic MR exists for the whole composition range studied and the absolute value of resistivity change on application of magnetic field is more for samples with lower x which have higher resistivity. We find that the large MR occurs in the ferromagnetic state only and MR has a close relation with the magnetization M.

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