Low-Temperature Electrical Resistivity of Bilayered LaSr2Mn2O7 Manganite

被引：0

作者：

Ehsani, M. H. ^{[1
]}

Mehrabad, M. Jalali ^{[1
]}

Kameli, P. ^{[2
]}

Ghazi, M. E. ^{[3
]}

Razavi, F. S. ^{[4
]}

机构：

[1] Semnan Univ, Dept Phys, Semnan 35195363, Iran

[2] Isfahan Univ Technol, Dept Phys, Esfahan 841568311, Iran

[3] Shahrood Univ, Dept Phys, Shahrood 36155316, Iran

[4] Brock Univ, Dept Phys, St Catharines, ON L2S 3A1, Canada

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2016年 / 183卷 / 5-6期

关键词：

Bilayered manganite; Low-temperature; Electrical properties; Magneto-resistance (MR); GIANT MAGNETORESISTANCE; MAGNETOTRANSPORT PROPERTIES; DOPED LASR2MN2O7; TRANSPORT; LA1.2SR1.8MN2O7; BEHAVIOR; STATE;

D O I：

10.1007/s10909-016-1520-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Low-temperature transport and magneto-resistance properties were systemically studied for the bilayered polycrystalline LaSr2Mn2O7 manganite under an applied magnetic field from 0 to 9 T. The results obtained from the resistivity measurements between 70 and 130 K were fitted using the electron-electron (e-e) and electron-magnon (e-m) scattering models. The temperature dependence of resistivity showed an upturn behavior at low temperatures (similar to T < 45 K) under various applied magnetic fields. Best fits were obtained by using a variable-range hopping model. The magneto-resistance behavior observed at low temperatures supports the magnetic properties of the sample.

引用

页码：359 / 370

页数：12

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