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Title:Hall mobility of holes in silver bromide
Author(s):Hanson, Roland Clements
Doctoral Committee Chair(s):Brown, F.C.
Department / Program:Physics
Subject(s):silver bromide
Abstract:Hall mobility measurements have been made on holes introduced into AgBr by a bromine atmosphere in the temperature range from room temperature to l50°Ce These measurements were made using conventional electrode geometry and sensitive high impedance a-c techniques similar to those used by Macdonald and Robinson. The Hall mobility for holes varied from 2.0 ± 0.5 cm2/volt-sec at room temperature (27°C) to 0.5 + 0.15 cm2/volt-sec at 150°C. The hole mobility is about 30 times smaller than the electron mobility determined by other workers at room temperature. The temperature dependence of the hole mobility is about T-4. This is much steeper than the temperature dependence of the electron mobility in this region. Preliminary measurements were also made on the thermoelectric power of AgBr in a bromine atmosphere. If the classical theory used is correct, these measurements indicate that the density of states effective mass for the holes is very small.
Issue Date:1960
Genre:Dissertation / Thesis
Other Identifier(s):6247532
Publication Status:published or submitted for publication
Rights Information:© 1960 Roland Clements Hanson
Date Available in IDEALS:2010-08-02

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