Published July 1, 1993
| Version v1
Journal article
Superconductivity of Li2MC60 and Na2MC60 fullerides
- 1. Fundamental Research Labs., Tsukuba (Japan)
Description
The superconductivity of Li2MC60 and Na2MC60 (where M is Cs, Rb and K) compounds with small lattice parameters is studied in detail. The results reveal that Na2CsC60 and Na2RbC60 are superconducting at 12 K and 3.5 K with large supeconducting fractions (70% for Na2CsC60 and more than 20% for Na2RbC60), while LiiMC60 compounds are not superconducting down to 2 K. The large variation in Tc observed over a wide range of lattice parameter is explained in the framework of the McMillan equation, and the photon frequency involved in electron pairing is discussed. (orig.)
Additional details
Publishing Information
- Journal Title
- Europhysics Letters
- Journal Volume
- 23
- Journal Issue
- 1
- Journal Page Range
- p. 57-62.
- ISSN
- 0295-5075
- CODEN
- EULEEJ
INIS
- Country of Publication
- France
- Country of Input or Organization
- France
- INIS RN
- 25002413
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CESIUM ADDITIONS; CLATHRATES; DOPED MATERIALS; FULLERENES; LATTICE PARAMETERS; LITHIUM ADDITIONS; POTASSIUM ADDITIONS; RUBIDIUM ADDITIONS; SODIUM ADDITIONS; SUPERCONDUCTIVITY; TEMPERATURE DEPENDENCE; TRANSITION TEMPERATURE
- Descriptors DEC
- CARBON; ELECTRIC CONDUCTIVITY; ELECTRICAL PROPERTIES; ELEMENTS; MATERIALS; NONMETALS; PHYSICAL PROPERTIES; THERMODYNAMIC PROPERTIES