Large low-field magnetoresistance of phase-separated single-crystalline Pr0.7Pb0.3MnO3
文献类型：期刊论文
| 作者 | Li, RW ; Wang, ZH ; Wang, WN ; Sun, JR ; Li, QA ; Zhang, SY ; Cheng, ZH ; Shen, BG ; Gu, BX |
| 刊名 | APPLIED PHYSICS LETTERS
 |
| 出版日期 | 2002 |
| 卷号 | 80期号:18页码:3367 |
| 关键词 | GRAIN-BOUNDARIES FILMS POLYCRYSTALLINE LA0.7CA0.3MNO3 TEMPERATURE TRANSPORT |
| ISSN号 | 0003-6951 |
| 通讯作者 | Li, RW: Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | A large low-field magnetoresistance (MR) slightly above the metal-insulator transition temperature (234 K) was observed in single-crystalline Pr0.7Pb0.3MnO3. Combining the temperature dependence of magnetization, resistance, and electron spin resonance spectra, it was suggested that phase separation occurs above the Curie temperature; ferromagnetic metallic clusters imbedding in the insulating paramagnetic matrix, and spin-polarized electron tunneling between isolated ferromagnetic clusters should be responsible for the large low-field MR observed. Undoubtedly, this observation opens a window to explore large low-field MR at high temperature, which is very important for the practical application of colossal MR effect. (C) 2002 American Institute of Physics. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-18 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/40596]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Li, RW,Wang, ZH,Wang, WN,et al. Large low-field magnetoresistance of phase-separated single-crystalline Pr0.7Pb0.3MnO3[J]. APPLIED PHYSICS LETTERS,2002,80(18):3367. |
| APA | Li, RW.,Wang, ZH.,Wang, WN.,Sun, JR.,Li, QA.,...&Gu, BX.(2002).Large low-field magnetoresistance of phase-separated single-crystalline Pr0.7Pb0.3MnO3.APPLIED PHYSICS LETTERS,80(18),3367. |
| MLA | Li, RW,et al."Large low-field magnetoresistance of phase-separated single-crystalline Pr0.7Pb0.3MnO3".APPLIED PHYSICS LETTERS 80.18(2002):3367. |
入库方式： OAI收割
来源：物理研究所
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