Lattice instabilities in metallic elements

G Grimvall, B Magyari-Köpe, V Ozoliņš… - Reviews of Modern Physics, 2012 - APS
Most metallic elements have a crystal structure that is either body-centered cubic (bcc), face-
centered close packed, or hexagonal close packed. If the bcc lattice is the …

Superconductivity in the metallic elements at high pressures

JJ Hamlin - Physica C: Superconductivity and its Applications, 2015 - Elsevier
Although the highest superconducting critical temperature, T c, found in an elemental solid
at ambient pressure is 9.2 K (niobium), under the application of ultra-high pressures, several …

Electron-phonon interaction using Wannier functions

F Giustino, ML Cohen, SG Louie - Physical Review B—Condensed Matter and …, 2007 - APS
We introduce a technique based on the spatial localization of electron and phonon Wannier
functions to perform first-principles calculations of the electron-phonon interaction with an …

Fermi surface nesting and the origin of charge density waves in metals

MD Johannes, II Mazin - Physical Review B—Condensed Matter and Materials …, 2008 - APS
The concept of a charge density wave (CDW), which is induced by Fermi-surface nesting,
originated from the Peierls idea of electronic instabilities in purely one-dimensional metals …

Cold melting and solid structures of dense lithium

CL Guillaume, E Gregoryanz, O Degtyareva… - Nature Physics, 2011 - nature.com
Recent theoretical and experimental studies have produced several unusual and interesting
results on dense lithium, the first metal in the periodic table. These include the deviation from …

High-temperature superconductivity in atomic metallic hydrogen

JM McMahon, DM Ceperley - Physical Review B—Condensed Matter and …, 2011 - APS
Superconductivity in the recently proposed ground-state structures of atomic metallic
hydrogen is calculated over the pressure range 500 GPa to 3.5 TPa. Near molecular …

Correlation-Enhanced Electron-Phonon Coupling: Applications of and Screened Hybrid Functional to Bismuthates, Chloronitrides, and Other High- …

ZP Yin, A Kutepov, G Kotliar - Physical Review X, 2013 - APS
We show that the electron-phonon coupling (EPC) in many materials can be significantly
underestimated by the standard density-functional theory (DFT) in the local-density …

Novel Superconductivity in Metallic under High Pressure

JS Tse, Y Yao, K Tanaka - Physical review letters, 2007 - APS
From first-principles calculations, a high-pressure metallic phase of Sn H 4 with a novel
layered structure intercalated by “H 2” units is revealed. This structure is stable at pressure …

Cubic around 200 GPa: An atomic hydrogen superconductor stabilized by sulfur

DA Papaconstantopoulos, BM Klein, MJ Mehl… - Physical Review B, 2015 - APS
The multiple scattering-based theory of Gaspari and Gyorffy for the electron-ion matrix
element in close packed metals is applied to I m 3¯ m H 3 S, which has been predicted by …

Record high Tc element superconductivity achieved in titanium

C Zhang, X He, C Liu, Z Li, K Lu, S Zhang… - Nature …, 2022 - nature.com
It is challenging to search for high T c superconductivity (SC) in transition metal elements
wherein d electrons are usually not favored by conventional BCS theory. Here we report …