MICROWAVE CONDUCTIVITY OF THE SOFT FERROMAGNET (TDAE)-C60

被引:48
作者
SCHILDER, A
KLOS, H
RYSTAU, I
SCHUTZ, W
GOTSCHY, B
机构
[1] Experimentalphysik II und BIMF, Universität Bayreuth
关键词
D O I
10.1103/PhysRevLett.73.1299
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
(Tetrakisdimethylaminoethylene)-C60 was the first fullerene charge transfer complex with a transition into a soft ferromagnetic low temperature phase at 16 K. The origin of the low temperature phase in (TDAE)-C60 is still a subject of discussion. To unravel the real nature of the ferromagnetic ground state we will present measurements of the conductivity in (TDAE)-C60 for the first time. The conductivity is of the order of 10(-4) S/cm at room temperature and the temperature dependence is clearly nonmetallic. This contradicts the assumption that (TDAE)-C60 is a ferromagnetic metal.
引用
收藏
页码:1299 / 1302
页数:4
相关论文
共 27 条
[1]   ORGANIC MOLECULAR SOFT FERROMAGNETISM IN A FULLERENE-C60 [J].
ALLEMAND, PM ;
KHEMANI, KC ;
KOCH, A ;
WUDL, F ;
HOLCZER, K ;
DONOVAN, S ;
GRUNER, G ;
THOMPSON, JD .
SCIENCE, 1991, 253 (5017) :301-303
[2]   COULOMB INTEGRALS AND MODEL HAMILTONIANS FOR C-60 [J].
ANTROPOV, VP ;
GUNNARSSON, O ;
JEPSEN, O .
PHYSICAL REVIEW B, 1992, 46 (20) :13647-13650
[3]  
BONNING PJ, 1993, PHYS REV B, V47, P13843
[4]  
CEVC P, 1994, EUROPHYS LETT, V90, P543
[5]  
CEVC P, 1994, SOLIDD STATE COMMUN, V26, P707
[6]   ELECTRONIC CORRELATION-EFFECTS AND SUPERCONDUCTIVITY IN DOPED FULLERENES [J].
CHAKRAVARTY, S ;
GELFAND, MP ;
KIVELSON, S .
SCIENCE, 1991, 254 (5034) :970-974
[7]  
Haberditzl W., 1966, ANGEW CHEM, V78, P277
[8]   ELECTRON-ELECTRON INTERACTIONS IN ORGANIC SUPERCONDUCTORS [J].
HADDON, RC ;
RAMIREZ, AP ;
GLARUM, SH .
ADVANCED MATERIALS, 1994, 6 (04) :316-321
[9]   ELECTRONIC-STRUCTURE AND BONDING IN ICOSAHEDRAL C-60 [J].
HADDON, RC ;
BRUS, LE ;
RAGHAVACHARI, K .
CHEMICAL PHYSICS LETTERS, 1986, 125 (5-6) :459-464
[10]   ELECTRICAL-RESISTIVITY AND STOICHIOMETRY OF KXC60, RBXC60 AND CSXC60 FILMS [J].
HADDON, RC ;
PEREL, AS ;
MORRIS, RC ;
CHANG, SH ;
FIORY, AT ;
HEBARD, AF ;
PALSTRA, TTM ;
KOCHANSKI, GP .
CHEMICAL PHYSICS LETTERS, 1994, 218 (1-2) :100-106