Вестник Нижегородского университета им. Н.И. Лобачевского. Серия: Социальные науки

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Title of Article

CHELYABINSK METEORITE: NANOCRYSTALS FROM SPACE

Issue	3
Date	2013

Section

SOLID-STATE PHYSICS

Article type	scientific article	UDC	523.681, 537.533.35
Pages	44-48	Keywords	Chelyabinsk meteorite, olivine, nanocrystals, high-resolution transmission electron microscopy.

Authors

Bobrov Aleksandr IgorevichNizhegorodskiy gosuniversitet im. N.I. Lobachevskogo
Gorshkov Aleksey VladimirovichYuzhno-Uralskiy gosuniversitet, Chelyabinsk
Grebenev Igor VasilevichNizhegorodskiy gosuniversitet im. N.I. Lobachevskogo
Malekhonova Natalya ViktorovnaNizhegorodskiy gosuniversitet im. N.I. Lobachevskogo
Pavlov Dmitriy AlekseevichNizhegorodskiy gosuniversitet im. N.I. Lobachevskogo
Pirogov Aleksey VladimirovichNizhegorodskiy gosuniversitet im. N.I. Lobachevskogo

Abstract

The cross-section atomic structure of one of the fragments of the Chelyabinsk meteorite has been studied by high-resolution transmission electron microscopy. The object elemental and phase analysis made by energy-dispersive X-ray spectroscopy reveals the presence of crystalline olivine, which is typical of LL5 (S4, W0) meteorites. In addition to the crystalline inclusions, for the first time vast zones with nanocrystals sized from 3 to 15 nm have been found.

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