Electron-phonon coupling in anion metallic solids and superconducting MgB2

被引：0
|
作者：
Yin, DL [1 ]
Yang, F [1 ]
Qi, Z [1 ]
Han, RS [1 ]
机构：
[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2002年 / 19卷 / 08期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We analyse the Hopfield factor of the newly found superconductor MgB2 using the linear muffin-tin orbital method. Based on a uniform transferred charge density model raised, it is shown from our calculation that the high difference of electronegativity between boron and magnesium favours the high l(l + 1) angular momentum hybridization and then the Hopfield factor. Our analysis is consistent with experimental results. Comparisons with cuprate superconductors are also discussed.
引用
收藏
页码：1176 / 1178
页数：3
相关论文
共 50 条
  • [41] Disorder-induced collapse of the electron-phonon coupling in MgB2 observed by Raman spectroscopy -: art. no. 220512
    Yates, KA
    Burnell, G
    Stelmashenko, NA
    Kang, DJ
    Lee, HN
    Oh, B
    Blamire, MG
    PHYSICAL REVIEW B, 2003, 68 (22)
  • [42] First-principles study of the superconductivity in MgB2 bulk and in its bilayer thin film based on electron-phonon coupling
    Morshedloo, T.
    Roknabadi, M. R.
    Behdani, M.
    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2015, 509 : 1 - 4
  • [43] Electron-phonon spectral function and two-band model in tunneling measurements on MgB2
    Ummarino, GA
    Gonnelli, RS
    Dolgov, OV
    Shulga, SV
    INTERNATIONAL JOURNAL OF MODERN PHYSICS B, 2003, 17 (4-6): : 643 - 648
  • [44] Theory of strong electron-phonon superconductivity for MgB2 in the framework of two-band model
    Moca, CP
    Jankó, B
    PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2003, 387 (1-2): : 122 - 130
  • [45] Evaluation of superconducting features and gap coefficients for electron-phonon couplings properties of MgB2 with multi-walled carbon nanotube addition
    Kaya, N.
    Cavdar, S.
    Ozturk, O.
    Yildirim, G.
    Koralay, H.
    JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2022, 33 (07) : 3786 - 3800
  • [46] Electron tunneling spectroscopy of the phonon spectrum of MgB2
    Tarenkov, V. Yu.
    D'yachenko, A. I.
    Sidorov, S. L.
    Boichenko, V. A.
    Boichenko, D. I.
    Chromik, S.
    Strbik, V.
    Gazi, S.
    Spankova, M.
    Benacka, S.
    PHYSICS OF THE SOLID STATE, 2009, 51 (09) : 1778 - 1784
  • [47] Electron tunneling spectroscopy of the phonon spectrum of MgB2
    V. Yu. Tarenkov
    A. I. D’yachenko
    S. L. Sidorov
    V. A. Boĭchenko
    D. I. Boĭchenko
    Š. Chromik
    V. Štrbík
    Š. Gaži
    M. Španková
    Š. Beňačka
    Physics of the Solid State, 2009, 51 : 1778 - 1784
  • [48] Phase sensitive electron-phonon coupling in a superconducting proximity structure
    Heikkila, T. T.
    Giazotto, Francesco
    PHYSICAL REVIEW B, 2009, 79 (09):
  • [49] Tuning the Electron-Phonon and Superconducting Coupling in InPb Bimetallic Alloys
    Gandhi, Ashish C.
    Wu, Sheng Yun
    INORGANIC CHEMISTRY, 2018, 57 (15) : 9306 - 9315
  • [50] Electron-Phonon Coupling and its implication for the superconducting topological insulators
    Zhang, Xiao-Long
    Liu, Wu-Ming
    SCIENTIFIC REPORTS, 2015, 5
12345