Growth of BaFe2(As1-xPx)2 Single Crystals (0 ≤ x ≤ 1) by Ba2As3/Ba2P3-Flux Method

被引：55
作者：
Nakajima, Masamichi [1 ,2 ,3 ]
Uchida, Shin-ichi [1 ,3 ]
Kihou, Kunihiro [2 ,3 ]
Lee, Chul-Ho [2 ,3 ]
Iyo, Akira [2 ,3 ]
Eisaki, Hiroshi [2 ,3 ]
机构：
[1] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
[3] Transformat Res Project Iron Pnictides, JST, Chiyoda Ku, Tokyo 1020075, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2012年 / 81卷 / 10期
基金：
日本学术振兴会; 日本科学技术振兴机构;
关键词：
iron-based superconductor; isovalent chemical substitution; BaFe2(As1-xPx)(2); single-crystal growth; transport properties; annealing effect; SUPERCONDUCTIVITY;
D O I：
10.1143/JPSJ.81.104710
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Sizable single crystals of iron-based high-transition-temperature superconductors, BaFe2(As1-xPx)(2), have been synthesized over an entire x range from 0 to 1. The employment of a Ba2As3/Ba2P3 self-flux method enables us to grow large single crystals (similar to 7 x 7 mm(2)) using a quartz tube, the P content of which is systematically controlled by tuning the As/P mixture ratio of the starting compositions. The post-annealing of the as-grown crystals results in sample quality improvement, evidenced by the increase in superconducting and antiferromagnetic-orthorhombic (AFO) transition temperatures as well as the significant reduction in residual resistivity in the AFO phase in the underdoped regime.
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页数：6
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