Enhanced room temperature magneto resistance in (1-x) % La0.7Sr0.3MnO3-x %WAX (x=0, 0.1, 0.2 and 1.0) nanocomposites

被引：1
作者：
Deb, Debajit [1 ]
Dey, Puja [2 ]
Mandal, Sanjay Kumar [1 ]
Nath, Debarati [3 ]
Nath, Aparna [1 ]
机构：
[1] Natl Inst Technol Agartala, Dept Phys, Jirania, Tripura, India
[2] Kazi Nazrul Univ, Dept Phys, Asansol, W Bengal, India
[3] Natl Inst Technol Agartala, Dept ECE, Jirania, Tripura, India
来源：
62ND DAE SOLID STATE PHYSICS SYMPOSIUM | 2018年 / 1942卷
关键词：
MAGNETORESISTANCE;
D O I：
10.1063/1.5028645
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have reported the magneto-transport properties of (1-x)% La0.7Sr0.3MnO3(LSMO) - x% WAX (x=0,0.1,0.2,1.0) nanocomposites at 300K. The LSMO grains of all the composites are encapsulated by wax layer, which acts as an intergrain electron transport barrier between neiboring LSMO grains. We have observed the an enhancement of low field magneto resistance (<200 Oe) at room temperature, which increases with wax content from 0 to 0.2% attributing the larger spin polarized tunneling through intergrain wax barrier.
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页数：4
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