Published April 18, 2000
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Vitreous GeO2 response to shock loading
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Abstract
Shock wave profiles in vitreous GeO2 (6.56 Mg/m^3) under planar loading were measured using stress gauges to 14 GPa. New and previous data yield Hugoniot: D=0.974 (km/s)+1.711 u for shocks of 6 to 40 GPa. We show that the phase change from 4- to 6-fold coordination of Ge+4 with O–2 in vitreous GeO2 occurs from 4 to 15 GPa. Hugoniots of vitreous GeO2 and SiO2 are found to approximately coincide if the pressure in SiO2 is scaled by the ratio of SiO2 to GeO2 initial density.
Additional Information
© 2000 American Institute of Physics. This work was supported by Army Research Office and NASA. Contribution number 8663, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125.Attached Files
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Additional details
- Eprint ID
- 5914
- Resolver ID
- CaltechAUTHORS:LIUaipcp00b
- Army Research Office (ARO)
- NASA
- Created
-
2006-11-08Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field
- Series Name
- American Institute of Physics Conference Proceedings
- Series Volume or Issue Number
- 505
- Other Numbering System Name
- Caltech Division of Geological and Planetary Sciences
- Other Numbering System Identifier
- 8663