ELECTRICAL CONDUCTIVITY STUDY OF Au AND Na COADSORBED Si(111)√3x√3 SURFACE

被引：0

作者：

Tsukanov, D. A. ^{[1
]}

Gruznev, D. V. ^{[1
]}

Zotov, A. V. ^{[1
]}

Saranin, A. A. ^{[1
]}

Ryzhkova, M. V. ^{[1
]}

Bondarenko, L. V. ^{[1
]}

Borisenko, E. A. ^{[1
]}

机构：

[1] Inst Automat & Control Proc FEB RAS, Vladivostok 690041, Russia

来源：

PHYSICS, CHEMISTRY AND APPLICATIONS OF NANOSTRUCTURES: REVIEWS AND SHORT NOTES | 2013年

关键词：

SI(111)3X1-NA;

D O I：

暂无

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Surface structure, band structure and electrical conductance of Au and Na coadsorbed Si(111)root 3x root 3 reconstruction have been studied in situ with low-energy electron diffraction, scanning tunneling microscopy, angle-resolved photoelectron spectroscopy and four-point probe technique. The Si(111)-h-root 3x root 3-(Au, Na) homogeneous structure has been detected after adsorption of 0.08-0.09 ML of sodium onto the Si(111)-alpha-root 3x root 3-Au reconstructed surface at 350 degrees C. Photoemission spectra show the details of the filling the surface state bands demonstrating the two-dimensional electron gas occurrence. Surface conductivity measurements reveal correlations with electron density changes in surface state bands and its dispersion.

引用

页码：54 / 57

页数：4

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