Doping-dependent critical current properties in K, Co, and P-doped BaFe2As2 single crystals
Doping-dependent critical current properties in K, Co, and P-doped BaFe2As2 single crystals
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DOI：
10.1103/physrevb.95.014517
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发表时间：
2017-01-23
影响因子：
3.7
通讯作者：
Eisterer, Michael
中科院分区：
文献类型：
--
作者：
Ishida, Shigeyuki;Song, Dongjoon;Eisterer, Michael
为了建立铁基超导体中临界电流特性的掺杂依赖性，研究了BaFe2As2基超导体Ba1-xKxFe2As2 (K-Ba122)、Ba(Fe1-xCox)(2)As-2 (Co-Ba122)和BaFe2(As1-xPx)(2) (P-Ba122)在多种掺杂情况下的面内临界电流密度J(c)通过对单晶样品进行磁滞回线 (MHL) 测量来研究浓度 x。根据掺杂元素及其浓度，J(c) 表现出多种磁场 H 和温度 T 依赖性。 (1) 对于 K-Ba122，欠掺杂样品的 MHL (x
In order to establish the doping dependence of the critical current properties in the iron-based superconductors, the in-plane critical current density J(c) of BaFe2As2-based superconductors Ba1-xKxFe2As2 (K-Ba122), Ba(Fe1-xCox)(2)As-2 (Co-Ba122), and BaFe2(As1-xPx)(2) (P-Ba122) in a wide range of doping concentration x was investigated by means of magnetization hysteresis loop (MHL) measurements on single-crystal samples. Depending on the dopant elements and their concentration, J(c) exhibits a variety of magnetic-field H and temperature T dependences. (1) In the case of K-Ba122, the MHL of the underdoped samples (x