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Titolo:
Raman spectroscopy of surface phonons on Sb-terminated Si(001)
Autore:
Hinrichs, K; Power, JR; Esser, N; Richter, W;
Indirizzi:
Tech Univ Berlin, Sekr PN 6 1, D-10623 Berlin, Germany Tech Univ Berlin Berlin Germany D-10623 PN 6 1, D-10623 Berlin, Germany
Titolo Testata:
APPLIED SURFACE SCIENCE
fascicolo: 1-4, volume: 166, anno: 2000,
pagine: 185 - 189
SICI:
0169-4332(20001009)166:1-4<185:RSOSPO>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING TUNNELING MICROSCOPY; PHOTOEMISSION; SILICON; SI(100);
Keywords:
Raman spectroscopy; surface phonons; Sb-terminated Si(001);
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Engineering, Computing & Technology
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Hinrichs, K Tech Univ Berlin, Sekr PN 6 1, Hardenbergstr 36, D-10623 Berlin, Germany Tech Univ Berlin Hardenbergstr 36 Berlin Germany D-10623 many
Citazione:
K. Hinrichs et al., "Raman spectroscopy of surface phonons on Sb-terminated Si(001)", APPL SURF S, 166(1-4), 2000, pp. 185-189

Abstract

We study the surface structure of Sb-terminated singular (on-axis) and vicinal (4 degrees offcut in [110]) Si(001) by Raman spectroscopy (RS). In theRaman spectra three surface phonons with A(1)-symmetry are identified at 80 cm(-1), 130.5 cm(-1) and 162 cm(-1). The polarisation dependent Raman scattering intensities for the singular and vicinal samples are found to be correlated with the different surface reconstructions. After deposition of Sbat 260 degrees C and further annealing to 400 degrees C and 600 degrees C,a nearly balanced ratio of (2 x 1):(1 x 2) domains for the singular sampleand a predominantly (2 x 1) reconstructed surface for the vicinal sample is derived from RS, in agreement with LEED results. In contrast, after Sb deposition at 600 degrees C, a balanced ratio of (2 x 1) and (1 x 2) reconstructed domains is found for vicinal as well as for singular Si(001). (C) 2000 Elsevier Science B.V. All rights reserved.

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Documento generato il 23/01/21 alle ore 10:24:46