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Growth and properties of chlorine doped CdTe single crystals

✍ Scribed by A.M. Mancini; A. Rizzo; L. Vasanelli; C. Manfredotti; A. Quirini

Publisher
Elsevier Science
Year
1979
Weight
299 KB
Volume
4
Category
Article
ISSN
0390-6035

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✦ Synopsis

An experimental apparatus based on the Travelling Heater Method (THM) has been set up to grow high resistivity CdTe single crystals. Chlorine doped CdTe ingots have been obtained at relatively low growth temperature (800Β°C), by using a Te solution with small amount of CdC12 . The chlorine concentration present in the crystals, has been measured by means of the coulo-bipotentiometric titration with silver ions as titrant. Measurements of the electrical characteristics (resistivity and carrier mobility) and thermally stimulated currents (TSC) have been also carried out on the obtained crystals, in order to obtain information about the influence of chlorine in the physical properties of CdTe.

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