کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1624069 | 1516410 | 2009 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electrical-field-induced order transitions in Sr-doped manganite perovskites
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Electrical-field-induced order transitions in Sr-doped manganite perovskites Electrical-field-induced order transitions in Sr-doped manganite perovskites](/preview/png/1624069.png)
چکیده انگلیسی
Spin-dependent varistor-like electrical transport was observed in Sr-doped Nd2/3Sr1/3MnO3âδ perovskites for δ > 0.05, in which magnetic grain or phase boundaries is likely to be responsible. In addition to the varistor-like phenomena below a characteristic temperature, we also present evidence for electrical-field-induced magnetic order-order precursor transition at even lower temperature in regions close to highly insulating boundaries where larger electrical fields can be placed. This electrical-field-induced metamagnetic transition was understood by the competition among double exchange, superexchange interactions and external electrical or magnetic field.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 467, Issues 1â2, 7 January 2009, Pages 54-60
Journal: Journal of Alloys and Compounds - Volume 467, Issues 1â2, 7 January 2009, Pages 54-60
نویسندگان
C.P. Yang, S.S. Chen, D.H. Guo, H. Wang, G.H. Rao, V. Morchshakov, K. Bärner,