Hydrogenation and Dehydrogenation of the Clathrate NaxSi136статья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:Abstract⎯Samples of the clathrate NaxSi136 were saturated with hydrogen to 100 atm at 25°C in a Sievertstypeapparatus and at pressures of 6 and 28 kbar in lentil-type high-pressure apparatuses at 100 and 250°C. X-ray powder diffraction analysis and Raman spectroscopy of the samples quenched after the saturation with hydrogen showed that the phase composition of the clathrates did not change. Heating of the quenched samples to room temperature in a thermal desorption setup produced not hydrogen, but hydrogen-containing gases, as we assumed, silanes. Heating to 650°C leads to decomposition of these compounds to form