Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session J23: Materials in Extremes: Carbon and Related Materials
3:00 PM–6:00 PM,
Tuesday, March 16, 2021
Sponsoring
Unit:
GSCCM
Chair: Rebecca Lindsey, Lawrence Livermore Natl Lab
Abstract: J23.00008 : Germanium under high pressure: In situ and ex situ inelastic neutron scattering*
4:24 PM–4:36 PM
Live
Presenter:
Bianca Haberl
(Oak Ridge National Lab)
Authors:
Bianca Haberl
(Oak Ridge National Lab)
Mary-Ellen Donnelly
(Oak Ridge National Lab)
Garrett E Granroth
(Oak Ridge National Lab)
This work here addresses this short-coming through INS performed at ORNL’s ARCS spectrometer. For the first time, in situ INS is performed during compression to the metallic phase and an INS spectrum of metallic Ge is observed, while detailed ex situ INS is performed on recovered st12-Ge. These experimental data are directly correlated to DFT.
*This work used resources of the Spallation Neutron, DoE Office of Science User Facilities operated by Oak Ridge National Laboratory.
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