High resolution electron energy loss study of AlxGa1−xAs mixed crystals
- 1 May 1986
- journal article
- Published by American Vacuum Society in Journal of Vacuum Science & Technology A
- Vol. 4 (3) , 953-957
- https://doi.org/10.1116/1.573763
Abstract
The surface optical phonon spectra of AlxGa1−xAs mixed crystals have been measured by high resolution electron energy loss spectroscopy (HREELS). Two modes (Al–As and Ga–As types, respectively) were observed whose frequencies shifted almost linearly with aluminum concentration. The relative intensities of these modes are analyzed. Comparison is made with Raman scattering measurements and theoretical calculations.Keywords
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