FORMATION OF FULLERIDES AND FULLERENE-BASED HETEROSTRUCTURES

被引：53

作者：

POIRIER, DM

OHNO, TR

KROLL, GH

CHEN, Y

BENNING, PJ

WEAVER, JH

CHIBANTE, LPF

SMALLEY, RE

机构：

[1] UNIV MINNESOTA,DEPT MAT SCI & CHEM ENGN,MINNEAPOLIS,MN 55455

[2] RICE UNIV,RICE QUANTUM INST,HOUSTON,TX 77251

[3] RICE UNIV,DEPT CHEM,HOUSTON,TX 77251

[4] RICE UNIV,DEPT PHYS,HOUSTON,TX 77251

来源：

SCIENCE | 1991年 / 253卷 / 5020期

关键词：

D O I：

10.1126/science.253.5020.646

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Two potassium fulleride phases, metallic K3C60 and nonmetallic K6C60, are formed when potassium is incorporated into thin C60 films under ultrahigh vacuum conditions. Phase separation is observed for intermediate stoichiometries. Results obtained for the C60-K3C60 heterostructure demonstrate that it is stable against potassium migration from the K3C60 phase. In contrast, the C60-K6C60 interface is not stable and K6C60 is formed.

引用

页码：646 / 648

页数：3

共 14 条

[1] ELECTRONIC STATES OF KXC60 - INSULATING, METALLIC, AND SUPERCONDUCTING CHARACTER [J].

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[4] SUPERCONDUCTIVITY AT 18-K IN POTASSIUM-DOPED C-60 [J].

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NATURE, 1991, 350 (6319) :600-601

[5] ALKALI-FULLERIDE SUPERCONDUCTORS - SYNTHESIS, COMPOSITION, AND DIAMAGNETIC SHIELDING [J].

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SCIENCE, 1991, 252 (5009) :1154-1157

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[7] ORDER AND DISORDER IN C60 AND KXC60 MULTILAYERS - DIRECT IMAGING WITH SCANNING TUNNELING MICROSCOPY [J].

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SCIENCE, 1991, 253 (5018) :429-433

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[9] SUPERCONDUCTIVITY AT 28 K IN RBXC60 [J].

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PHYSICAL REVIEW LETTERS, 1991, 66 (21) :2830-2832

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