Mutual transformation between crystalline phases in silicon after treatment in a planetary mill. HRTEM studiesстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 4 декабря 2016 г.
Аннотация:High-resolution transmission electron microscopy (HRTEM) studies of silicon
after treatment in a planetary mill have been performed. It is shown that along
with the initial phase of silicon, Si-I, the sample also contains some high-pressure
phases: Si-III (Kasper phase) and Si-IV (lonsdaleite).We studied the orientation
relationship between the particles of different phases, finding that there are, in
general, two mechanisms of formation of Si-IV: (1) through the stacking faults
formation; (2) through the transformation first to the Kasper phase (Si-III), and
then from the Kasper phase to Si-IV. Estimations of temperature and pressure
conditions in the planetary ball mill made previously are in accordance with the
conditions of formation of the above-mentioned phases.