Expanded fullerides and electron localisation -: lithium-rich ammoniated C60 phases

被引：8

作者：

Durand, P ^{[1
]}

Dubitsky, Y

Rosseinsky, MJ

Zaopo, A

机构：

[1] Univ Liverpool, Dept Chem, Liverpool L69 7ZD, Merseyside, England

[2] Pirelli Labs SpA, I-20126 Milan, Italy

来源：

DALTON TRANSACTIONS | 2004年 / 19期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1039/b402817a

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The synthesis and characterisation of alkali metal fullerides with complex counterions consisting of ammonia ligands coordinated to lithium cations is discussed. The body-centred cubic packing and accompanying low density of fulleride anions produces localisation of the t(10) outer electrons of the fulleride anions. This is demonstrated by the electronic behaviour of the x = 3 and 5 members of the series, the latter representing the first detailed study of the electronic behaviour of a localised electron fulleride with five electrons per anion.

引用

页码：3137 / 3143

页数：7

共 28 条

[1] AUGER AND PHOTOELECTRON STUDY OF THE HUBBARD-U IN C-60, K3C60, AND K6C60 [J].

BRUHWILER, PA ;

MAXWELL, AJ ;

NILSSON, A ;

MARTENSSON, N ;

GUNNARSSON, O .

PHYSICAL REVIEW B, 1993, 48 (24) :18296-18299

[2] Electronic mechanism of superconductivity in the cuprates, C60, and polyacenes -: art. no. 064511 [J].

Chakravarty, S ;

Kivelson, SA .

PHYSICAL REVIEW B, 2001, 64 (06)

[3] Cation site and anion charge ordering in body-centered cubic-packed fullerides with complex counterions [J].

Claridge, JB ;

Fowkes, AJ ;

Rosseinsky, MJ ;

Watts, ID .

CHEMISTRY OF MATERIALS, 2003, 15 (07) :1497-1504

[4] Ba2CsC60: A ternary metal fulleride with a novel anion orientational order [J].

Duggan, AC ;

Fox, JM ;

Henry, PF ;

Heyes, SJ ;

Laurie, DE ;

Rosseinsky, MJ .

CHEMICAL COMMUNICATIONS, 1996, (10) :1191-1192

[5] The Mott-Hubbard insulating state and orbital degeneracy in the superconducting C603- fulleride family [J].

Durand, P ;

Darling, GR ;

Dubitsky, Y ;

Zaopo, A ;

Rosseinsky, MJ .

NATURE MATERIALS, 2003, 2 (09) :605-610

[6] Expanded close-packed fullerides: The reactivity of Na2C60 with ammonia [J].

Fowkes, AJ ;

Fox, JM ;

Henry, PF ;

Heyes, SJ ;

Rosseinsky, MJ .

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1997, 119 (43) :10413-10423

[7] Lithium and sodium fullerides prepared in liquid ammonia [J].

Fullagar, WK ;

Reynolds, PA ;

White, JW .

SOLID STATE COMMUNICATIONS, 1997, 104 (01) :23-27

[8] Mott-Hubbard insulators for systems with orbital degeneracy [J].

Gunnarsson, O ;

Koch, E ;

Martin, RM .

PHYSICAL REVIEW B, 1997, 56 (03) :1146-1152

[9] Mott transition in degenerate Hubbard models: Application to doped fullerenes [J].

Gunnarsson, O ;

Koch, E ;

Martin, RM .

PHYSICAL REVIEW B, 1996, 54 (16) :11026-11029

[10]

Gunnarsson O., 2004, ALKALI DOPED FULLERI

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