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By Margarita Vasilievna Alexeenko


The aim is to investigate the possibility for precise determination of the electrophysical parameters in the neutron-alloying (NA) of Ge, their changes during neutron alloying and also determination of the basic nuclear-physical parameters of the "alloying" Ge isotopes. The methods permitting to solve these problems have been proposed. The kinetics of the neutron alloying is used firstly as a tool for investigation of the electrophysical properties. That permitted obtain with high accuracy the correlation between transmutation additions and value of the Ge isotope half-life. The combination with the method of "cadmium difference" permitted to divide the contributions of the heat and resonant neutrons and to determine the correlation varriation limits between additions at change of the neutron spectrum. The idea on the distinguishment of the contribution of the light and heavy holes into the Hall effect in the complex valent zone of Ge with use of the method of neutron alloying has been proposed and carried out. The graduating curves for accurate determination of the hole concentration in p-Ge have been obtained. The work results on the determination of the accurate Hall-factor value and compensation rate permit to use NA Ge as a model semiconductor at investigation of the low-temperature jump transport and junction metal - dielectric. The discrepancy between theoretical description of the tunnel factor of jump conductance according to the nearest basic states of the additions and experiments on Na Ge has been eliminatedAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20k - null, PHYSICS
Year: 1996
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Provided by: OpenGrey Repository
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