An elusive phase transition in Na2RbC60

被引:15
作者
Cristofolini, L
Kordatos, K
Lawless, GA
Prassides, K
Tanigaki, K
Waugh, MP
机构
[1] UNIV SUSSEX,SCH CHEM PHYS & ENVIRONM SCI,CHEM LAB,BRIGHTON BN1 9QJ,E SUSSEX,ENGLAND
[2] NEC CORP LTD,FUNDAMENTAL RES LABS,TSUKUBA,IBARAKI 305,JAPAN
关键词
D O I
10.1039/a606908h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The ternary Na2RbC60 fulleride is studied by variable-temperature solid-state C-13 and Na-23 NMR spectroscopies; in addition to the well known orientational order/disorder transition, a phase transformation to a low-symmetry phase which likely contains bonded C-60(3-) moieties is identified at low temperature for the first time.
引用
收藏
页码:375 / 376
页数:2
相关论文
共 16 条
[1]   C-13 magic-angle-spinning NMR study of the electronic properties of the AC(60) polymers (A=K, Rb, Cs) [J].
Alloul, H ;
Brouet, V ;
Lafontaine, E ;
Malier, L ;
Forro, L .
PHYSICAL REVIEW LETTERS, 1996, 76 (16) :2922-2925
[2]   ROTATIONAL-DYNAMICS OF C-60 IN NA2RBC60 [J].
CHRISTIDES, C ;
PRASSIDES, K ;
NEUMANN, DA ;
COPLEY, JRD ;
MIZUKI, J ;
TANIGAKI, K ;
HIROSAWA, I ;
EBBESEN, TW .
EUROPHYSICS LETTERS, 1993, 24 (09) :755-760
[3]   SUPERCONDUCTIVITY AT 18-K IN POTASSIUM-DOPED C-60 [J].
HEBARD, AF ;
ROSSEINSKY, MJ ;
HADDON, RC ;
MURPHY, DW ;
GLARUM, SH ;
PALSTRA, TTM ;
RAMIREZ, AP ;
KORTAN, AR .
NATURE, 1991, 350 (6319) :600-601
[4]   ORIENTATIONAL DISORDER OF C-60 IN LI2CSC60 [J].
HIROSAWA, I ;
PRASSIDES, K ;
MIZUKI, J ;
TANIGAKI, K ;
GEVAERT, M ;
LAPPAS, A ;
COCKCROFT, JK .
SCIENCE, 1994, 264 (5163) :1294-1297
[5]   EVIDENCE FOR SP(3)-CARBONS IN RB1C60 FROM C-13 MAS NMR [J].
KALBER, T ;
ZIMMER, G ;
MEHRING, M .
ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1995, 97 (01) :1-2
[6]   C-60 ORIENTATIONAL ORDERING IN SUPERCONDUCTING NA2RBC60 [J].
KNIAZ, K ;
FISCHER, JE ;
ZHU, Q ;
ROSSEINSKY, MJ ;
ZHOU, O ;
MURPHY, DW .
SOLID STATE COMMUNICATIONS, 1993, 88 (01) :47-50
[7]   NMR-STUDIES OF SUPERCONDUCTING NA(2)AC(60) (A=CS, RB, AND K) FULLERIDES [J].
MANIWA, Y ;
SAITO, T ;
KUME, K ;
KIKUCHI, K ;
IKEMOTO, I ;
SUZUKI, S ;
ACHIBA, Y ;
HIROSAWA, I ;
KOSAKA, M ;
TANIGAKI, K .
PHYSICAL REVIEW B, 1995, 52 (10) :R7054-R7057
[8]   ORTHORHOMBIC A(1)C60 - A CONDUCTING LINEAR ALKALI FULLERIDE POLYMER [J].
PEKKER, S ;
FORRO, L ;
MIHALY, L ;
JANOSSY, A .
SOLID STATE COMMUNICATIONS, 1994, 90 (06) :349-352
[9]   CRYSTAL-STRUCTURE, BONDING, AND PHASE-TRANSITION OF THE SUPERCONDUCTING NA2CSC60 FULLERIDE [J].
PRASSIDES, K ;
CHRISTIDES, C ;
THOMAS, IM ;
MIZUKI, J ;
TANIGAKI, K ;
HIROSAWA, I ;
EBBESEN, TW .
SCIENCE, 1994, 263 (5149) :950-954
[10]   Loss of cubic symmetry in low-temperature Na2RbC60 [J].
Prassides, K ;
Vavekis, K ;
Kordatos, K ;
Tanigaki, K ;
Bendele, GM ;
Stephens, PW .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (04) :834-835