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5 papers · 2 filters
Unexpected stable stoichiometries of sodium chlorides
Weiwei Zhang, Artem R. Oganov, Alexander F. Goncharov +7
Sodium chloride (NaCl), or rocksalt, is well characterized at ambient pressure. Due to the large electronegativity difference between Na and Cl atoms, it has highly ionic chemical…
A stable compound of helium and sodium at high pressure
Xiao Dong, Artem R. Oganov, Alexander F. Goncharov +14
Helium is generally understood to be chemically inert and this is due to its extremely stable closed-shell electronic configuration, zero electron affinity and an unsurpassed ioniz…
Superconductivity in Topological Insulator Sb2Te3 Induced by Pressure
J. Zhu, J. L. Zhang, P. P. Kong +15
Topological superconductivity is one of most fascinating properties of topological quantum matters that was theoretically proposed and can support Majorana Fermions at the edge sta…
Electronic properties and metrology of the diamond NV- center under pressure
Marcus W. Doherty, Viktor V. Struzhkin, David A. Simpson +8
The negatively charged nitrogen-vacancy (NV-) center in diamond has realized new frontiers in quantum technology. Here, the center's optical and spin resonances are observed under…
Signatures of a Pressure-Induced Topological Quantum Phase Transition in BiTeI
Xiaoxiang Xi, Chunli Ma, Zhenxian Liu +6
We report the observation of two signatures of a pressure-induced topological quantum phase transition in the polar semiconductor BiTeI using x-ray powder diffraction and infrared…