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题名: SUPERCONDUCTIVITY IN ALKALI-DOPED C-60
作者: ZHANG, ML ;  GUO, HY
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1995
卷号: 23, 期号:3, 页码:271-274
关键词: SINGLE-CRYSTAL K3C60 ;  ELECTRONIC-STRUCTURE ;  ENERGY-GAP ;  PHOTOEMISSION ;  RB3C60 ;  SPECTROSCOPY ;  A3C60 ;  KXC60 ;  STATE ;  C60
学科分类: Physics
通讯作者: ZHANG, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
英文摘要: There are three kinds of effective attractive interaction between C-60(2-) and ''nearly free'' electron in A(3)C(60): 1) the strong short-range attraction between the low energy unoccupied orbital of C-60(2-) ions and the ''nearly free'' electrons; 2) the potential barrier due to large angular momentum of t(1u) orbital; 3) the A(+) crystal field forced ''nearly free'' electrons in C-60(2-) neighborhood. An effective attraction coupling with the A(+) optical modes and the vibration modes of C-60 mass center produces a strong electron-phonon interaction. It plays a principal role for A(3)C(60) superconductivity. Based upon this mechanism critical temperature and other properties of superconductivity state can be explained by means of the BCS theory.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11771
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
ZHANG, ML,GUO, HY. SUPERCONDUCTIVITY IN ALKALI-DOPED C-60[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1995,23(3):271-274.
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