Magnetoresistance temperature dependence of LSMO and LBMO perovskite manganites

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Jafari Razi Z.; SEBT S.A.; KHAJEHNEZHAD A.

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Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2018 | Volume:12 | Issue:4 Page(s): 243-248

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Title

Magnetoresistance temperature dependence of LSMO and LBMO perovskite manganites

Author(s)

Jafari Razi Z. | SEBT S.A. | KHAJEHNEZHAD A. | Issue Writer Certificate

Keywords

Manganites

Magnetoresistance

Low temperature

Combustion method

Abstract

La0. 7Sr0. 3MnO3 (LSMO) and La0. 7Ba0. 3MnO3 (LBMO) Polycrystalline manganite nanoparticles were prepared by Combustion method using glycine fuel. The ignition process was done at 360 ° C and 330 ° C for LSMO and LBMO, respectively. Both of the samples have rhombohedral structure using XRD analysis. The reduction is observed in electrical resistivity when external magnetic field is applied during the decrease in temperature from 300 to 89 ° K, which is due to the tunneling between particles. The Magnetoresistance (MR) of samples was measured in this range of temperature in both the presence and absence of a magnetic field of about 10 kG. The colossal role of a kind of extrinsic MR which is 19% and 22% for LSMO and LBMO, respectively, has been investigated in this research. The metal– insulator transition temperature of 200 ° K is recorded for LBMO.

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APA: Copy

Jafari Razi, Z., SEBT, S.A., & KHAJEHNEZHAD, A.. (2018). Magnetoresistance temperature dependence of LSMO and LBMO perovskite manganites. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 12(4), 243-248. SID. https://sid.ir/paper/318979/en

Vancouver: Copy

Jafari Razi Z., SEBT S.A., KHAJEHNEZHAD A.. Magnetoresistance temperature dependence of LSMO and LBMO perovskite manganites. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2018;12(4):243-248. Available from: https://sid.ir/paper/318979/en

IEEE: Copy

Z. Jafari Razi, S.A. SEBT, and A. KHAJEHNEZHAD, “Magnetoresistance temperature dependence of LSMO and LBMO perovskite manganites,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 12, no. 4, pp. 243–248, 2018, [Online]. Available: https://sid.ir/paper/318979/en

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