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- W2373134899 abstract "Because of its excellent properties, newly discovered semiconductor material PbTe has already been used in lots of frontiers of science and technology. PbTe single crystals with five different stoichiometric proportions have been grown using Bridgman method from the starting materials of high pure Te(99.9%)and five times purified Pb, and some of their properties have also been investigated. PbTe polycrystalline thin films with 5 different stoichiometric proportions were deposited by the Vacuum Evaporation method from the materials of PbTe crystals, the color of the PbTe thin film heated was Bronze yellow and their microstructure, conducting type, resistance, resistivity and conductivity were studied. Measurement of their properties shows that heat treatment has had a great influence on structure and quality of PbTe thin films; after heat treatment crystal grains that are flaky grow in a certain direction, and heat treatment also increase the size of crystal grains greatly; with the molar quality of Te becoming larger, conducting type of PbTe thin films change from n-typ to p-type; after heat treatment resistance is smaller than that of thin film that is not treated and resistivity is larger than lump materials; with the increase of molar quality of Te conductivity is lower and then becomes higher." @default.
- W2373134899 created "2016-06-24" @default.
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- W2373134899 date "2005-01-01" @default.
- W2373134899 modified "2023-09-28" @default.
- W2373134899 title "STUDY ON PHYSICAL PROPERTIES OF PbTe SINGLE CRYSTAL AND THIN FILM" @default.
- W2373134899 hasPublicationYear "2005" @default.
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