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- W2024995154 abstract "Resume On etudie les proprietes electriques de couches minces de fluorure de magnesium en fonction des conditions de preparation des depots. Les resultats concernant la conduction en continu et en alternatif sont donnes pour deux series de structures metal-MgF 2 -metal. La premi'ere serie, concernant des couches obtenues avec des conditions “normales”, donne des resultats analogues a ceux des precedentes etudes: de 300° a 500°K, la conduction est de type Poole-Frenkel. Apres amelioration des conditions de preparation, notamment par refluoration de la poudre avant sublimation, les couches de la deuxieme serie presentent une resistivite augmentee d'un facteur 10 2 . Dans ce cas le mecanisme preponderant de conduction est du “hopping” pour des temperatures inferieures a 400°K, du Poole-Frenkel de 400° a 450°K et devient de caractere ionique au dessus de 450°K. L'utilisation de differentes techniques d'analyse a permis d'identifier les impuretes vraisemblablement responsables de ces mecanismes de conduction." @default.
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- W2024995154 date "1973-11-01" @default.
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- W2024995154 title "Mécanismes de conduction en liaison avec les conditions de préparation de couches minces de fluorure de magnésium" @default.
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- W2024995154 doi "https://doi.org/10.1016/0040-6090(73)90098-9" @default.
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