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X‐ray diffraction studies of interdiffusion in InPGaP powder blends
Author(s) -
Voland U.,
Černý R.,
Deus P.,
Bergner D.,
Fenninger G.
Publication year - 1989
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170241116
Subject(s) - diffraction , materials science , band gap , activation energy , powder diffraction , diffusion , x ray crystallography , atomic diffusion , solid solution , analytical chemistry (journal) , crystallography , chemistry , optoelectronics , optics , thermodynamics , metallurgy , physics , chromatography
Interdiffusion in the InPGaP solid solution system is investigated by means of X‐ray diffraction of annealed powder blends. An activation energy of Q = (3.15 ± 0.3) eV for the interdiffusion process in the temperature interval 650… 725 °C was found. Diffusion parameters obtained by means of this method for InPGaP and InAsGaAs are discussed on the basis of lattice and atomic characteristics.
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