Extrinsic and intrinsic nonlinear current-voltage characteristics in charge ordered oxides
文献类型：期刊论文
| 作者 | Wang, F ; Zou, T ; Liu, Y ; Yan, LQ ; Sun, Y |
| 刊名 | JOURNAL OF APPLIED PHYSICS
 |
| 出版日期 | 2012 |
| 卷号 | 111期号:3 |
| 关键词 | DRIVEN PHASE-TRANSITION VALENCE SYSTEM LUFE2O4 DENSITY-WAVE MANGANITES BEHAVIOR |
| ISSN号 | 0021-8979 |
| 通讯作者 | Sun, Y: Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China. |
| 中文摘要 | We present a systematic study to clarify the origin of nonlinear I-V characteristics widely observed in charge ordered oxides. The experiments performed on the charge ordered YbFe2O4 single crystals demonstrate that the I-V behavior strongly depends on the measurement parameters, such as the width and strength of applied voltage/current pulse, the time interval between two subsequent pulses, and the time delay before reading a data. Correspondingly, three regimes are identified: (i) steep nonlinear I-V behavior induced by self-heating when the pulse width is big and/or the time interval is short; (ii) smooth nonlinear I-V characteristic in the low field range when the electric pulse width is small and the time interval is long enough, owing to sliding of charge density wave; (iii) abrupt collapse of charge order/charge density wave at high electric fields. A proper measurement scheme must be employed in order to distinguish the intrinsic effects associated with electric field modulation of charge order from the extrinsic self-heating effect. (C) 2012 American Institute of Physics. [doi:10.1063/1.3681184] |
| 收录类别 | SCI |
| 资助信息 | Natural Science Foundation of China [51021061, 50831006, 11074293]; National Key Basic Research Program of China [2011CB921801] |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/37858]  |
| 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 | Wang, F,Zou, T,Liu, Y,et al. Extrinsic and intrinsic nonlinear current-voltage characteristics in charge ordered oxides[J]. JOURNAL OF APPLIED PHYSICS,2012,111(3). |
| APA | Wang, F,Zou, T,Liu, Y,Yan, LQ,&Sun, Y.(2012).Extrinsic and intrinsic nonlinear current-voltage characteristics in charge ordered oxides.JOURNAL OF APPLIED PHYSICS,111(3). |
| MLA | Wang, F,et al."Extrinsic and intrinsic nonlinear current-voltage characteristics in charge ordered oxides".JOURNAL OF APPLIED PHYSICS 111.3(2012). |
入库方式： OAI收割
来源：物理研究所
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