XPS PROBES OF CARBON-CAGED METALS

被引：261

作者：

WEAVER, JH

CHAI, Y

KROLL, GH

JIN, C

OHNO, TR

HAUFLER, RE

GUO, T

ALFORD, JM

CONCEICAO, J

CHIBANTE, LPF

JAIN, A

PALMER, G

SMALLEY, RE

机构：

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

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

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

[4] RICE UNIV,DEPT BIOCHEM & CELL BIOL,HOUSTON,TX 77251

来源：

CHEMICAL PHYSICS LETTERS | 1992年 / 190卷 / 05期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0009-2614(92)85173-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

X-ray photoemission spectral probes of endohedral lanthanum-fullerene complexes, La@C(n), show that the central La atom is in a formal charge state close to +3, and has been effectively protected from reaction with water an oxygen by the enclosing fullerene cage. Similar results were obtained with endohedral yttrium complexes, Y@C(n), and the first carbon-caged metal cluster, Y2@C82. EPR spectral results are also reported for Y@C82 which is found to an S = 1/2 spin system with a 0.48 G hyperfine splitting (at 9.216 GHz) centered at g = 1.9999(1).

引用

页码：460 / 464

页数：5

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