Superconductivity and spin gap state in the two-leg ladder material Sr2.5Ca11.5Cu24O41

被引:0
作者
Akimitsu, J [1 ]
机构
[1] Aoyama Gakuin Univ, Dept Phys, Setagaya Ku, Tokyo 1578572, Japan
关键词
D O I
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中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We review our recent experimental results, mainly focused on the superconductivity under pressure and the spin gap state for various Ca concentration on the two-leg ladder material Sr14-xCaxCu24O41.
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页码:S6 / S10
页数:5
相关论文
共 15 条
[1]   Electronic structures of Sr14-xCaxCu24O41 [J].
Arai, M ;
Tsunetsugu, H .
PHYSICAL REVIEW B, 1997, 56 (08) :R4305-R4308
[2]   Surprises on the way from one- to two-dimensional quantum magnets: The ladder materials [J].
Dagotto, E ;
Rice, TM .
SCIENCE, 1996, 271 (5249) :618-623
[3]   Neutron-scattering and susceptibility study of spin chains and spin ladders in (Sr0.8Ca0.2)(14)Cu24O41 [J].
Eccleston, RS ;
Azuma, M ;
Takano, M .
PHYSICAL REVIEW B, 1996, 53 (22) :14721-14724
[4]  
ECCLESTON RS, IN PRESS PHYS REV LE
[5]   ABSENCE OF SUPERCONDUCTIVITY IN THE DOPED ANTIFERROMAGNETIC SPIN LADDER COMPOUND (LA,SR)CUO2.5 [J].
HIROI, Z ;
TAKANO, M .
NATURE, 1995, 377 (6544) :41-43
[6]   NMR study of carrier doping effects on spin gaps in the spin ladder Sr(14-x)A(x)Cu(24)O(41) (A=Ca,Y, and La) [J].
Kumagai, K ;
Tsuji, S ;
Kato, M ;
Koike, Y .
PHYSICAL REVIEW LETTERS, 1997, 78 (10) :1992-1995
[7]   Spin gap and dynamics in Sr14-xCaxCu24O41 comprising hole-doped two-leg spin ladders:: Cu NMR study on single crystals [J].
Magishi, K ;
Matsumoto, S ;
Kitaoka, Y ;
Ishida, K ;
Asayama, K ;
Uehara, M ;
Nagata, T ;
Akimitsu, J .
PHYSICAL REVIEW B, 1998, 57 (18) :11533-11544
[8]  
MATSUDA M, COMMUNICATION
[9]  
MAYAFFRE H, IN PRESS SCIENCE
[10]  
Miyasaka S., UNPUB