Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

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Session Overview
Session
SMS-7: Hydrogen rich compounds: design, properties & phase transitions at high pressures
Time:
Saturday, 21/Aug/2021:
10:20am - 12:45pm

Session Chair: Artem R Oganov
Session Chair: Alexander Goncharov
Location: 221-2

60 2nd floor

Invited: Chris J. Pickard (UK), Dmitry Semenok (Russia)


Session Abstract

Recent theoretical predictions and subsequent experimental synthesis and characterization of record high-Tc superconductors (LaH10, H3S, ThH10, YH6, YH9) have reexcited the hopes for room-temperature superconductivity. Indeed, almost room-temperature (with established Tc=250-260 K) has already been reached. All of these compounds are non-classical, with chemical compositions that cannot be explained by atomic valences and cannot be anticipated without explicit quantum-mechanical calculations or experiments. Our session will present progress in this exciting field, including theoretical and experimental methodologies, new hydride superconductors, new ideas for reaching room-temperature and above room-temperature superconductivity, and new insights into the chemistry and bonding of these unusual compounds.


Introduction
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Presentations
10:20am - 10:25am
ID: 1841 / SMS-7: 1
Introduction
Oral/poster

Introduction to session

Artem R Oganov, Alexander Goncharov



10:25am - 10:55am
ID: 1010 / SMS-7: 2
Physics and fundamental crystallography
Invited lecture to session
MS: Hydrogen rich compounds: design, properties & phase transitions at high pressures
Keywords: Superconductivity, Hydrides, computation, theory

Computational challenges in the search for better superconducting hydrides

Christopher James Pickard

University of Cambridge, Cambridge, United Kingdom

External Resource:
Video Link


10:55am - 11:25am
ID: 633 / SMS-7: 3
Physics and fundamental crystallography
Invited lecture to session
MS: Hydrogen rich compounds: design, properties & phase transitions at high pressures
Keywords: superconductivity, high-pressure, hydrides, diamond anvil cells

Room-temperature superconductivity in compressed polyhydrides

Dmitrii Semenok

Skolkovo Institute of Science and Technology, Moscow, Russian Federation

External Resource:
Video Link


11:25am - 11:55am
ID: 1664 / SMS-7: 4
Chemical crystallography, crystal structures
Oral/poster
MS: Crystal structure prediction
Keywords: Electronegativity, atomic, chemical, Mendeleev number

Electronegativity and Mendeleev number: redefinition of two important atomic chemical descriptors

Artem R Oganov

Skoltech, Moscow, Russian Federation

External Resource:
Video Link


 
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