Shock-Wave Transformations of Fine-Grained Quartz Dispersed in a Silver Matrix

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Abstract

Samples with porosities of 2–3 and 13% consisting of fine-grained quartz dispersed in a silver matrix were subjected to shock compression up to 28, 33, and 37 GPa in planar recovery ampoules. In samples with a porosity of 2–3%, after purification from silver, along with amorphized quartz, a crystalline high pressure silicon dioxide phase was detected by powder X-ray diffraction, which differs from stishovite and presumably has a monoclinic lattice.

About the authors

A. N. Zhukov

Federal Research Center for Problems of Chemical Physics and Medical Chemistry, Russian Academy of Sciences

Email: azhukov@icp.ac.ru
Chernogolovka, Russia

V. V. Yakushev

Federal Research Center for Problems of Chemical Physics and Medical Chemistry, Russian Academy of Sciences

Email: azhukov@icp.ac.ru
Chernogolovka, Russia

A. I. Rogacheva

Federal Research Center for Problems of Chemical Physics and Medical Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: azhukov@icp.ac.ru
Chernogolovka, Russia

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Copyright (c) 2023 А.Н. Жуков, В.В. Якушев, А.И. Рогачева

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