Elastic anomalies in BaFe2-xNixAs2 crystals
文献类型：期刊论文
| 作者 | Saint-Paul, M ; Abbassi, A ; Wang, ZS ; Luo, HQ ; Lu, XY ; Ren, C ; Wen, HH ; Hasselbach, K |
| 刊名 | PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
 |
| 出版日期 | 2012 |
| 卷号 | 483页码:207 |
| ISSN号 | 0921-4534 |
| 通讯作者 | Saint-Paul, M: CNRS, Inst Neel, BP 166, F-38042 Grenoble 9, France. |
| 中文摘要 | We present ultrasonic measurements on superconducting BaFe2-xNixAs2 crystals with x = 0.07 and x = 0.15. The elastic constants C-33 and C-44 for the underdoped crystal (x = 0.07) show a large softening related to the structural phase transition at high temperatures. Anomalies in the sound velocity and the ultrasonic attenuation have been found at the superconducting phase transition T-c = 17 K. Ultrasonic attenuation exhibits a peak at the superconducting transition in contrast with the attenuation in conventional superconductors. In the overdoped crystal (x = 0.15) a minimum of C-66 is found at a temperature just above the superconducting temperature T-c = 13 K. Superconducting energy gap values have been tentatively extracted from the longitudinal ultrasonic attenuation. Unconventional behaviour of the ultrasonic attenuation is observed in the superconducting BaFe2-xNixAs2 crystals. (C) 2012 Elsevier B. V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/36883]  |
| 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 | Saint-Paul, M,Abbassi, A,Wang, ZS,et al. Elastic anomalies in BaFe2-xNixAs2 crystals[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,2012,483:207. |
| APA | Saint-Paul, M.,Abbassi, A.,Wang, ZS.,Luo, HQ.,Lu, XY.,...&Hasselbach, K.(2012).Elastic anomalies in BaFe2-xNixAs2 crystals.PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,483,207. |
| MLA | Saint-Paul, M,et al."Elastic anomalies in BaFe2-xNixAs2 crystals".PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 483(2012):207. |
入库方式： OAI收割
来源：物理研究所
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