PRESSURE STUDIES OF THE ENERGY-SPECTRUM OF IRRADIATION-INDUCED DEFECTS IN PB1-XSNXSEстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The effect of high hydrostatic pressure (up to 18 kbar) on the galvanomagnetic properties of n- and p-Pb1-xSn(x)Se (x less-than-or-equal-to 0.06) alloys irradiated with electrons (T congruent-to 300 K, E = 6 MeV, PHI less-than-or-equal-to 7 x 10(17) cm-2) has been investigated. It is shown that irradiation creates a band of localized states E(t)1 the energy position of which relative to the valence band top L6+ depends on alloy composition and on pressure. A model of the energy spectrum of electron-irradiated Pb1-xSn(x)Se has been proposed assuming that electron irradiation generates two different types of defects and leads to the appearance of two bands of localized defect states situated within the conduction band and near the valence band top of Pb1-xSn(x)Se alloys.