Vibrational and collective excitations on heavily doped p-type GaAs(110) surface

BIAGI, Roberto
MARIANI, Carlo
DEL PENNINO, Umberto

Publication date

January 1990

Publisher

Patron Editore:Via Badini 12, I 40050 Quarto Inferiore Bologna Italy:011 39 051 767003, EMAIL: abbonamenti@patroneditore.com, info@patroneditore.com, INTERNET: http://www.patroneditore.com, Fax: 011 39 051 768252

Abstract

We investigated the space-charge layer at the surface of heavily doped GaAs(110) by means of HREELS, looking at the surface coupled collective excitations (phonon-plasmon, i.e. plasmarons). We could reproduce the general behaviour of the HREEL spectra based on a dielectric three-layer model, finding a strong value for the value of the plasmon damping

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Vibrational and collective excitations on heavily doped p-type GaAs(110) surface

Abstract

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Vibrational and collective excitations on heavily doped p-type GaAs(110) surface

Abstract

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