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Определение постоянной Авогадро с помощью кристаллов графена и графита
Abstract
А method of determination of the Avogadro constant by means multilayer graphene (poligraphene) samples has been studied. Properties, methods of production and control of crystalline latticequality were considered and the geometric parameters of new perspective materials, graphene and poligraphene, were determined. The of Fraundorf’s method of creation of part the mass units by means of a poligraphene hexahedron prism is modified. It is shown that the precision of this method is smallish and the determination of Avogadro constant by means of highly oriented pyrolitic graphite with high chemical and isotopic purity is more perspective.
About the Author
В. Хрущев
Всероссийский научно-исследовательский институт метрологической службы
Russian Federation
Russian Federation
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Review
For citations:
. Izmeritel`naya Tekhnika. 2014;(6):3-8. (In Russ.)
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