These results are in good made on ZnTe doped with Ag, Cu, and Au acceptor impurities. Observin the framework of the theory of Baldereschi. The binding energies E, 0.5), and (271.6 f 0.5) meV for Ag, Cu, and Au impurity, respectively. agreement with that deduced from luminescence experiments. The average number of emitted phonons is deduced for all known acceptors in ZnTe (Li, P. As, Ag, Cu, and Au) using luminescence and IR measurements. An empirical relation hJ = 62E: is found. The cross-section for Au in ZnTe is found to be (3.5 & 0.7) X 10-la om2 with an effective field ratio which ranges between 2.3 and 4.Des mesures de transmission infrarouge ont 6th effectuhes sur des Bchantillons de ZnTe dopPs avec les accepteurs Ag, Cu et Au. La discussion, B partir de la thBorie de Baldereschi, a permis de dbfinirlesbnergiesd'ionisation E,. Les de d6terminer le nombre moyen de phonons Bmis 5, pour tous les accepteurs connus dans ZnTe (Li, P, As, Ag, Cu, Au), e t la relation empirique = 62EE a pu &re dbduite. Enfin, la section de capture optique de l'accepteur Au dans ZnTe a 6th dkduite des mesures de transmission IR.On a trouv6 u = (3,5 5 0,7) x cm2 avec un coefficient de champ effectif se situant entre 2, 3 et 4.
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