Bulletin of the American Physical Society
APS March Meeting 2021
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session R23: Materials in Extremes: Novel Materials and Phenomena
8:00 AM–10:36 AM,
Thursday, March 18, 2021
Sponsoring Unit: GSCCM
Chair: Rostislav Hrubiak, Argonne National Laboratory
Abstract: R23.00006 : High pressure crystallography and chemistry of new carbides of alkali and alkali earth metals.*
9:24 AM–9:36 AM
Graphite intercalation compounds (GIC) with metals such as Li, Na and K form different compositions (and crystal structures) produced by stacking along c-axis of metal (Me) and n carbon (A, B or C) layers. The n number indicate the stage of intercalation. Typically ordered compounds are obtained for n = 1 to 6 with various stacking sequences depending on metals: n = 1 for MeAMeB, n = 2 for MeABMeBAMeCA, n = 3 for MeABCMeBCAMeCAB, etc. Both high pressure and high temperature leads to increasing n. Here we will discuss the structural features of GIC, the XRD, Raman and other structurally related data, as well as corresponding “diamond intercalation compounds” (DIC) structurally related to GIC .
*This work was supported by Agence Nationale de Recherche (project ANR-17-CE08-0038).
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