THE EFFECT OF MGO DOPING ON THE STRUCTURAL, MAGNETIC, AND MAGNETOTRANSPORT PROPERTIES OF LA0.8SR0.2MNO3 MANGANITE

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ESHRAGHI MAHIN; KAMELI PARVIZ; SALAMATI HADI

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Journal Paper

Paper Information

Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2013 | Volume:7 | Issue:7 Page(s): 1-4

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Information Journal Paper

Title

THE EFFECT OF MGO DOPING ON THE STRUCTURAL, MAGNETIC, AND MAGNETOTRANSPORT PROPERTIES OF LA0.8SR0.2MNO3 MANGANITE

Author(s)

ESHRAGHI MAHIN | KAMELI PARVIZ | SALAMATI HADI | Issue Writer Certificate

Keywords

MANGANITES

MAGNETORESISTANCE

MGO

DOPING

Abstract

The effect of MGO DOPING on the structural, magnetic, and magnetotransport properties of La0.8Sr0.2MnO3 (LSMO) / xMgO has been investigated. All samples were prepared by a solid-state reaction method. Alternating current susceptibility measurements for LSMO/xMgO samples show that the Curie transition temperature (Tc) and magnetization decrease with the increase of MGO concentration. The rate of the decrease of Tc at higher DOPING level is very fast. Also, samples with low DOPING level (x£2) show insulator-metal transition, but the transition temperature decreases and resistivity increases with the amount of MGO. It is observed that there is no insulator-metal transition at higher MGO DOPING level (x³3). Also, the results show that the value of low-field MAGNETORESISTANCE decreases with the increase of MGO DOPING level. It seems that due to the higher sintering temperature and almost the same ionic radii of Mg2+and Mn3+, Mg2+mostly replaced Mn3+and weakened the double-exchange interaction, and consequently, Tc and MAGNETORESISTANCE decrease and resistivity increases with MGO DOPING.

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References

ELECTRICAL, MAGNETIC TRANSPORT AND MAGNETORESISTANCE IN LA0.7CA0.3MNO3 COMPOSITES

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APA: Copy

ESHRAGHI, MAHIN, KAMELI, PARVIZ, & SALAMATI, HADI. (2013). THE EFFECT OF MGO DOPING ON THE STRUCTURAL, MAGNETIC, AND MAGNETOTRANSPORT PROPERTIES OF LA_0.8SR_0.2MNO₃ MANGANITE. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 7(7), 1-4. SID. https://sid.ir/paper/318715/en

Vancouver: Copy

ESHRAGHI MAHIN, KAMELI PARVIZ, SALAMATI HADI. THE EFFECT OF MGO DOPING ON THE STRUCTURAL, MAGNETIC, AND MAGNETOTRANSPORT PROPERTIES OF LA_0.8SR_0.2MNO₃ MANGANITE. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2013;7(7):1-4. Available from: https://sid.ir/paper/318715/en

IEEE: Copy

MAHIN ESHRAGHI, PARVIZ KAMELI, and HADI SALAMATI, “THE EFFECT OF MGO DOPING ON THE STRUCTURAL, MAGNETIC, AND MAGNETOTRANSPORT PROPERTIES OF LA_0.8SR_0.2MNO₃ MANGANITE,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 7, no. 7, pp. 1–4, 2013, [Online]. Available: https://sid.ir/paper/318715/en

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