Superconducting hydrides under pressure

CJ Pickard, I Errea, MI Eremets - Annual Review of Condensed …, 2020 - annualreviews.org
The measurement of superconductivity at above 200 K in compressed samples of hydrogen
sulfide and in lanthanum hydride at 250 K is reinvigorating the search for conventional high …

Precursors for direct-write nanofabrication with electrons

S Barth, M Huth, F Jungwirth - Journal of Materials Chemistry C, 2020 - pubs.rsc.org
Focused electron beam-induced deposition (FEBID) is a maskless, direct-write
nanolithography approach for the growth of nanostructures. In recent years, significant …

Hydrogen-intercalation-induced lattice expansion of Pd@ Pt core–shell nanoparticles for highly efficient electrocatalytic alcohol oxidation

G Liu, W Zhou, Y Ji, B Chen, G Fu, Q Yun… - Journal of the …, 2021 - ACS Publications
Lattice engineering on specific facets of metal catalysts is critically important not only for the
enhancement of their catalytic performance but also for deeply understanding the effect of …

High-pressure hydrogen sulfide from first principles: a strongly anharmonic phonon-mediated superconductor

I Errea, M Calandra, CJ Pickard, J Nelson, RJ Needs… - Physical review …, 2015 - APS
We use first-principles calculations to study structural, vibrational, and superconducting
properties of H 2 S at pressures P≥ 200 GPa. The inclusion of zero-point energy leads to …

Anharmonic free energies and phonon dispersions from the stochastic self-consistent harmonic approximation: Application to platinum and palladium hydrides

I Errea, M Calandra, F Mauri - Physical Review B, 2014 - APS
Harmonic calculations based on density-functional theory are generally the method of
choice for the description of phonon spectra of metals and insulators. The inclusion of …

Superconducting binary hydrides: Theoretical predictions and experimental progresses

G Gao, L Wang, M Li, J Zhang, RT Howie… - Materials Today …, 2021 - Elsevier
Hydrogen, the lightest element in the periodic table, has been predicted to metalize under
extreme compression. Metallic hydrogen is believed to be a room-temperature …

Advanced development strategy of nano catalyst and DFT calculations for direct synthesis of hydrogen peroxide

GH Han, SH Lee, SY Hwang… - Advanced Energy …, 2021 - Wiley Online Library
Hydrogen peroxide is a simple oxidizing agent. Its environmental benignness and
effectiveness have led to a continuous increase in its use and production. Anthraquinone …

First-principles study of the pressure and crystal-structure dependences of the superconducting transition temperature in compressed sulfur hydrides

R Akashi, M Kawamura, S Tsuneyuki, Y Nomura… - Physical Review B, 2015 - APS
We calculate the superconducting transition temperatures (T c) in sulfur hydrides H 2 S and
H 3 S from first principles using the density functional theory for superconductors. At …

Electrocatalytic Hydrogen Evolution at Full Atomic Utilization over ITO-Supported Sub-nano-Ptn Clusters: High, Size-Dependent Activity Controlled by Fluxional Pt …

S Kumari, T Masubuchi, HS White… - Journal of the …, 2023 - ACS Publications
A combination of density functional theory (DFT) and experiments with atomically size-
selected Pt n clusters deposited on indium-tin oxide (ITO) electrodes was used to examine …

Predicting crystal structures and properties of matter under extreme conditions via quantum mechanics: the pressure is on

E Zurek, W Grochala - Physical Chemistry Chemical Physics, 2015 - pubs.rsc.org
Experimental studies of compressed matter are now routinely conducted at pressures
exceeding 1 mln atm (100 GPa) and occasionally at pressures greater than 10 mln atm (1 …