Giant change in infrared light transmission in La0.67Ca0.33MnO3 film near the Curie temperature

被引：34

作者：

Sukhorukov, YP ^{[1
]}

Gan'shina, EA

Belevtsev, BI

Loshkareva, NN

Vinogradov, AN

Rathnayaka, KDD

Parasiris, A

Naugle, DG

机构：

[1] Russian Acad Sci, Inst Met Phys, Ural Div, Ekaterinburg 620219, Russia

[2] Moscow MV Lomonosov State Univ, Dept Phys, Moscow 119899, Russia

[3] Ukrainian Acad Sci, B Verkin Inst Low Temp Phys & Engn, UA-61103 Kharkov, Ukraine

[4] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2002年 / 91卷 / 07期

关键词：

D O I：

10.1063/1.1453496

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Transport, magnetic, magneto-optical (Kerr effect) and optical (light absorption) properties have been studied in an oriented polycrystalline La0.67Ca0.33MnO3 film which shows colossal magnetoresistance. The correlations between these properties are presented. A giant change in infrared light transmission (more than a thousand-fold decrease) is observed on crossing the Curie temperature (about 270 K) from high to low temperature. Large changes in transmittance in a magnetic field were observed as well. The giant changes in transmittance and the large magnetotransmittance can be used for development of IR optoelectronic devices controlled by thermal and magnetic fields. Required material characteristics of doped manganites for these devices are discussed. (C) 2002 American Institute of Physics.

引用

页码：4403 / 4408

页数：6

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