ELECTRON-ENERGY-LOSS STUDY OF STAGE-1 POTASSIUM-INTERCALATED GRAPHITE

被引：24

作者：

HWANG, DM

UTLAUT, M

ISAACSON, MS

SOLIN, SA

机构：

[1] UNIV CHICAGO,ENRICO FERMI INST,CHICAGO,IL 60637

[2] UNIV CHICAGO,DEPT PHYS,CHICAGO,IL 60637

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 43卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.43.882

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electron-energy-loss spectra of stage-1 K-intercalated graphite single crystals were obtained with a scanning transmission electron microscope. The complex dielectric function with electric polarization perpendicular to the c axis was derived by Kramers-Kronig analysis. The energy-loss peak at 2.5 eV is consistent with previous optical measurements, while the splitting of the one at 27 eV can be interpreted by folding the Brillouin zone of pristine graphite. Splittings and shifts of the interband transitions were observed and compared with calculations. © 1979 The American Physical Society.

引用

页码：882 / 886

页数：5

共 29 条

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