中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The Mott State and Superconductivity in Face-Centred Cubic Structured Cs3C60: A Cs-133-Nuclear Magnetic Resonance Study under Pressure

文献类型:期刊论文

作者Kawasaki, S ; Fukui, J ; Motoyama, T ; Suzuki, Y ; Shibasaki, S ; Zheng, GQ
刊名JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
出版日期2013
卷号82期号:1
关键词fulleride Cs3C60 Mott state superconductivity pressure NMR
ISSN号0031-9015
通讯作者Kawasaki, S (reprint author), Okayama Univ, Fac Sci, Dept Phys, Okayama 7008530, Japan.
中文摘要Over the past 20 years, fullerides have been studied as the source of high-transition-temperature (T-c) superconductivity except for copper oxides. The recent finding of the Mott insulating state right beside superconductivity in Cs3C60 has suggested that magnetism helps raise T-c even in fullerides as in heavy-fermion compounds, high-T-c copper oxides, two-dimensional organic conductors, and iron pnictides. Namely, one tends to think that the link between Mott insulator and superconductivity takes place in fullerides, which can give rise to the mechanism beyond the Bardeen-Cooper-Schrieffer framework. However, the relationship between the Mott state and the superconductivity in Cs3C60 is still under debate. By nuclear magnetic resonance measurements under pressure, we find that the magnetism and superconductivity in Cs3C60 are competing orders. Different from previous reports, the phase separation of Cs3C60 crystals into the Mott and metallic states allows us to systematically study the evolution of the ground state under pressure. Our careful experiments have found that the prevention of a magnetic order is rather essential for the superconductivity in face-centred cubic Cs3C60, which presents a basic strategy for finding still higher T-c in this system.
资助信息Ministry of Education, Culture, Sports, Science and Technology [22103004, 22013012, 22740232, 23102717]
语种英语
公开日期2014-01-17
源URL[http://ir.iphy.ac.cn/handle/311004/57577]  
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
Kawasaki, S,Fukui, J,Motoyama, T,et al. The Mott State and Superconductivity in Face-Centred Cubic Structured Cs3C60: A Cs-133-Nuclear Magnetic Resonance Study under Pressure[J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,2013,82(1).
APA Kawasaki, S,Fukui, J,Motoyama, T,Suzuki, Y,Shibasaki, S,&Zheng, GQ.(2013).The Mott State and Superconductivity in Face-Centred Cubic Structured Cs3C60: A Cs-133-Nuclear Magnetic Resonance Study under Pressure.JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,82(1).
MLA Kawasaki, S,et al."The Mott State and Superconductivity in Face-Centred Cubic Structured Cs3C60: A Cs-133-Nuclear Magnetic Resonance Study under Pressure".JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN 82.1(2013).

入库方式: OAI收割

来源:物理研究所

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