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.
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页码：54 / 57
页数：4
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