Electron-phonon coupling for aromatic molecular crystals: Possible consequences for their superconductivity

被引:210
作者
Devos, A [1 ]
Lannoo, M [1 ]
机构
[1] IEMN, Dept ISEN, F-59652 Villeneuve Dascq, France
来源
PHYSICAL REVIEW B | 1998年 / 58卷 / 13期
关键词
D O I
10.1103/PhysRevB.58.8236
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The electron-phonon coupling of a series of aromatic molecules is calculated on the same basis as for the alkali-doped fullerites and graphite intercalation compounds. It is shown to be inversely proportional to the number of pi bonded atoms, the effect of curvature being less important. The implication of these results for the superconductivity of the corresponding molecular crystals is discussed.
引用
收藏
页码:8236 / 8239
页数:4
相关论文
共 23 条
[1]   NEUTRON SPECTROSCOPY OF SUPERCONDUCTORS [J].
ALLEN, PB .
PHYSICAL REVIEW B, 1972, 6 (07) :2577-&
[2]   TECHNIQUES FOR GEOMETRY OPTIMIZATION - A COMPARISON OF CARTESIAN AND NATURAL INTERNAL COORDINATES [J].
BAKER, J .
JOURNAL OF COMPUTATIONAL CHEMISTRY, 1993, 14 (09) :1085-1100
[3]   EFFECT OF THE METAL CONCENTRATION ON THE SUPERCONDUCTING PROPERTIES OF LITHIUM-CONTAINING, SODIUM-CONTAINING AND POTASSIUM-CONTAINING GRAPHITE-INTERCALATION COMPOUNDS [J].
BELASH, IT ;
BRONNIKOV, AD ;
ZHARIKOV, OV ;
PALNICHENKO, AV .
SYNTHETIC METALS, 1990, 36 (03) :283-302
[4]   ELECTRON SPIN RESONANCE SPECTRA OF AROMATIC MONONEGATIVE AND MONOPOSITIVE IONS [J].
DEBOER, E ;
WEISSMAN, SI .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1958, 80 (17) :4549-4555
[5]   Superconductivity of organic materials: Beyond the fullerenes [J].
Demol, F ;
Vasseur, O ;
Sauvage, FX ;
Debacker, M ;
Lannoo, M .
FULLERENE SCIENCE AND TECHNOLOGY, 1996, 4 (06) :1169-1175
[6]   BCS theory of superconductivity in a pseudofullerene system: The case of the isohexaiminocryptand molecular solid [J].
Devos, A ;
Lannoo, M .
PHYSICAL REVIEW B, 1997, 56 (22) :14703-14710
[7]   THE CALCULATION OF ABINITIO MOLECULAR GEOMETRIES - EFFICIENT OPTIMIZATION BY NATURAL INTERNAL COORDINATES AND EMPIRICAL CORRECTION BY OFFSET FORCES [J].
FOGARASI, G ;
ZHOU, XF ;
TAYLOR, PW ;
PULAY, P .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1992, 114 (21) :8191-8201
[8]   A NEW TIGHT-BINDING PARAMETRIZATION FOR CARBON [J].
GOODWIN, L .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1991, 3 (22) :3869-3878
[9]   THE DELOCALISATION OF ELECTRONS IN SOLID ORGANIC COMPLEXES OF ANTHRACENE [J].
GRACEY, JPV ;
UBBELOHDE, AR .
JOURNAL OF THE CHEMICAL SOCIETY, 1955, :4089-4097
[10]   COULOMB PSEUDOPOTENTIAL, SCREENING AND SUPERCONDUCTIVITY IN C-60 [J].
GUNNARSSON, O ;
ZWICKNAGL, G .
PHYSICAL REVIEW LETTERS, 1992, 69 (06) :957-960