In the present work HCl-isopropanol treated and vacuum annealed InP(001) surfaces were studied by means of low-energy electron diffraction (LEED), soft X-ray photoemission (SXPS), and reflectance anisotropy (RAS) spectroscopies. The treatment removes the natural oxide and leaves on the surface a physisorbed overlayer containing InClx and phosphorus. Annealing at 230 C induces desorption of InClx overlayer and reveals a P-rich (2 x 1) surface. Subsequent annealing at higher temperature induces In-rich (2 x 4) surface. The structural properties of chemically prepared InP(001) surfaces were found to be similar to those obtained by decapping of As/P-capped epitaxial layers. (c) 2006 Elsevier B.V. All rights reserved.

Chemically prepared well-ordered InP(0 0 1) surfaces / Tereshchenko, O. E.; Paget, D.; Chiaradia, P.; Placidi, E.; Bonnet, J. E.; Wiame, F.; Taleb-Ibrahimi, A.. - In: SURFACE SCIENCE. - ISSN 0039-6028. - 600:16(2006), pp. 3160-3166. [10.1016/j.susc.2006.05.056]

Chemically prepared well-ordered InP(0 0 1) surfaces

Placidi E.;
2006

Abstract

In the present work HCl-isopropanol treated and vacuum annealed InP(001) surfaces were studied by means of low-energy electron diffraction (LEED), soft X-ray photoemission (SXPS), and reflectance anisotropy (RAS) spectroscopies. The treatment removes the natural oxide and leaves on the surface a physisorbed overlayer containing InClx and phosphorus. Annealing at 230 C induces desorption of InClx overlayer and reveals a P-rich (2 x 1) surface. Subsequent annealing at higher temperature induces In-rich (2 x 4) surface. The structural properties of chemically prepared InP(001) surfaces were found to be similar to those obtained by decapping of As/P-capped epitaxial layers. (c) 2006 Elsevier B.V. All rights reserved.
HCl-isopropanol treatment; InP; Low energy electron diffraction; Passivation; Reflectance anisotropy spectroscopy; Soft X-ray photoemission
01 Pubblicazione su rivista::01a Articolo in rivista
Chemically prepared well-ordered InP(0 0 1) surfaces / Tereshchenko, O. E.; Paget, D.; Chiaradia, P.; Placidi, E.; Bonnet, J. E.; Wiame, F.; Taleb-Ibrahimi, A.. - In: SURFACE SCIENCE. - ISSN 0039-6028. - 600:16(2006), pp. 3160-3166. [10.1016/j.susc.2006.05.056]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1327218
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