2-DIMENSIONAL PLASMONS IN MONOLAYER GRAPHITE

被引：29

作者：

NAGASHIMA, A ^{[1
]}

NUKA, K ^{[1
]}

ITOH, H ^{[1
]}

ICHINOKAWA, T ^{[1
]}

OSHIMA, C ^{[1
]}

OTANI, S ^{[1
]}

ISHIZAWA, Y ^{[1
]}

机构：

[1] NATL INST RES INORGAN MAT,TSUKUBA 305,JAPAN

来源：

SOLID STATE COMMUNICATIONS | 1992年 / 83卷 / 08期

关键词：

D O I：

10.1016/0038-1098(92)90656-T

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Two-dimensional (2D) plasmons in the monolayer graphite formed on TiC(111)surface have been detected by using electron energy loss spectroscopy. The plasmon due to the intraband transition has shown a peculir dispersion proportional to a sqare root of the wave vector parallel to the surface in the energy region of 0 - 3 eV. In addition, the other branch appearing at high energies above 5.4 eV presumably originates from thelongitudinal 2D plasmon due to the interband transition.

引用

页码：581 / 585

页数：5

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