Electronic and magnetic properties of manganite thin films with different compositions and its correlation with transport properties: An X-ray resonant magnetic scattering study

被引：5

作者：

Singh, Surendra ^{[1
]}

Freeland, J. W. ^{[2
]}

Fitzsimmons, M. R. ^{[3
]}

Jeen, H. ^{[4
,5
]}

Biswas, A. ^{[4
]}

机构：

[1] Bhabha Atom Res Ctr, Div Solid State Phys, Bombay 400085, Maharashtra, India

[2] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[3] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[4] Univ Florida, Dept Phys, Gainesville, FL 32611 USA

[5] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

来源：

JOURNAL OF APPLIED PHYSICS | 2014年 / 116卷 / 22期

基金：

美国国家科学基金会;

关键词：

COLOSSAL MAGNETORESISTANCE; PHYSICS; PERCOLATION;

D O I：

10.1063/1.4902959

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Here, we present x-ray resonant magnetic dichroism and x-ray resonant magnetic scattering measurements of the temperature dependence of magnetism in Pr-doped La-Ca-Mn-O films grown on (110) NdGaO3 substrates. We observed thermal hysteresis of the ferromagnetism in one film that also showed large thermal hysteresis of similar to 18K in transport measurements. While in a second film of a different nominal chemistry, which showed very small thermal hysteresis similar to 3K in transport measurements, no thermal hysteresis of the ferromagnetism was observed. These macroscopic properties are correlated with evolution of surface magnetization across metal insulator transition for these films as observed by soft x-ray resonant magnetic scattering measurements. (C) 2014 AIP Publishing LLC.

引用

页数：4

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