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- W2078373040 abstract "L'etude en microscopie electronique de composes a structure chalcopyrite a permis de caracteriser les precipites et quelques defauts structuraux que l'on peut trouver dans ces composes. Des dislocations entieres de vecteur de Burgers de type 〈100〉 ont ete observees ainsi que des defauts d'empilement s'etendant sur un plan dense ou deux plans denses. Ils sont attribuables a la dissociation des dislocations 〈100〉 en deux ou quatre dislocations partielles. La configuration de ces defauts d'empilement est discutee en tenant compte de la nature des premiers voisins des anions. La structure du compose ZnSnAs2 a ete trouvee quelque peu differente de celle d'une chalcopyrite, son groupe de symetrie etant alors 14(S).Precipitates and structural faults have been characterized by electron microscopy study of compounds with chalcopyrite structure. Perfect dislocations with 〈100〉 type Burgers vectors have been observed as well as some stacking faults lying on one or two close-packed planes. So, one can expect a dissociation of the dislocation 〈100〉 in two or four partial dislocations. The configuration of these stacking faults is discussed with respect to the nature of the nearest neighbours of anions. The structure of the compound ZnSnAs2 has been found hardly different from chalcopyrite, its space group is then 14(S)." @default.
- W2078373040 created "2016-06-24" @default.
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- W2078373040 date "1975-06-16" @default.
- W2078373040 modified "2023-09-27" @default.
- W2078373040 title "Etude de défauts dans quelques structures chalcopyrites" @default.
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- W2078373040 doi "https://doi.org/10.1002/pssa.2210290225" @default.
- W2078373040 hasPublicationYear "1975" @default.
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