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Quasi-hydrostatic equation of state of silicon up to 1 megabar at ambient temperature

DOI: 10.1038/s41598-019-51931-1 DOI Help

Authors: Simone Anzellini (Diamond Light Source) , Michael T. Wharmby (Diamond Light Source) , Francesca Miozzi (Sorbonne Université, Muséum National d'Histoire Naturelle) , Annette Kleppe (Diamond Light Source) , Dominik Daisenberger (Diamond Light Source) , Heribert Wilhelm (Diamond Light Source)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Scientific Reports , VOL 9

State: Published (Approved)
Published: October 2019
Diamond Proposal Number(s): 13527

Open Access Open Access

Abstract: The isothermal equation of state of silicon has been determined by synchrotron x-ray diffraction experiments up to 105.2 GPa at room temperature using diamond anvil cells. A He-pressure medium was used to minimize the effect of uniaxial stress on the sample volume and ruby, gold and tungsten pressure gauges were used. Seven different phases of silicon have been observed along the experimental conditions covered in the present study.

Subject Areas: Materials, Physics

Instruments: I15-Extreme Conditions