26 citations · 27 across the 11 of their papers we have counts for
11 papers
Cryogenic stabilization of molecular hydrogen in dense cubic ice
Tomasz Poręba, Leon Andriambariarijaona, Richard Gaal +5
Hydrogen is widely regarded as a cornerstone of future low-carbon energy technologies, yet the lack of safe, efficient, and reversible solid-state storage materials remains a major…
Halogen Chains with One-Dimensional Semi-Metallic Electronic Structure and Peierls Physics in Polymorphs of Na4X5 (X = I, Br, Cl) Compounds
Yuqing Yin, Nityasagar Jena, Florian Knoop +16
Since the pioneering works of Peierls, one-dimensional materials have attracted great attention. Still, the synthesis of truly monoatomic chains remains elusive. In this study, we…
Observation of hexagonal close-packed water ice at conditions in ice giant planetary interiors
Alexis Forestier, Gunnar Weck, Sandra Ninet +4
Using synchrotron x-ray diffraction in laser-heated diamond anvil cells, we report the observation of an hexagonal close-packed (hcp) phase of water ice at high pressure and temper…
An underdog story: Re-emergence of a polar instability at high pressure in KNbO3
Mohamad Baker Shoker, Sitaram Ramakrishnan, Boris Croes +12
Ferroelectricity in perovskites is known to be suppressed by a moderate hydrostatic pressure. The notion that a polar instability should reappear in a higher pressure regime is wel…
Hydrogen-rich hydrate at high pressures up to 104 GPa
Alexander F. Goncharov, Elena Bykova, Iskander Batyrev +10
Gas hydrates are considered fundamental building blocks of giant icy planets like Neptune and similar exoplanets. The existence of these materials in the interiors of giant icy pla…
Polymorphism of monatomic iodine
Alexander F. Goncharov, Huawei Chen, Iskander G. Batyrev +8
We applied synchrotron single-crystal X-ray diffraction in a diamond anvil cell at 48-51 GPa and first-principles theoretical calculations to study the crystal structure of solid a…
Robustness of the pyrochlore structure in rare-earth A2Ir2O7 iridates and pressure-induced structural transformation in IrO2
Daniel Staško, Kristina Vlášková, Andrej Kancko +5
A comprehensive study of the structural properties of the heavily investigated rare-earth A2Ir2O7 series under extreme conditions is presented. The series is covered by studying ir…
Self-stacked 1-1 layers in 6-NbSeTe and the emergence of charge and magnetic correlations due to ligand disorder
S. K. Mahatha, J. Phillips, J. Corral-Sertal +14
The emergence of correlated phenomena arising from the combination of 1 and 1 van der Waals layers is the focus of intense research. Here, we synthesize a n…
High-pressure X-ray photon correlation spectroscopy at fourth-generation synchrotron sources
Antoine Cornet, Alberto Ronca, Jie Shen +8
A new experimental setup combining X-Ray Photon Correlation Spectroscopy (XPCS) in the hard x-ray regime and a high-pressure sample environment is developed to monitor the pressure…
Polytypism of Incommensurately Modulated Structures of Crystalline Bromine upon Molecular Dissociation under High Pressure
Yuqing Yin, Andrey Aslandukov, Maxim Bykov +14
Polytypism of incommensurately modulated structures was hitherto unobserved. Here, we found the phenomenon in simple halogen systems of bromine and iodine upon molecular dissociati…
Crossover in the pressure evolution of elementary distortions in RFeO3 perovskites and its impact on their phase transition
R. Vilarinho, P. Bouvier, M. Guennou +9
This work reports on the pressure dependence of the octahedra tilts and mean Fe-O bond lengths in RFeO3 (R=Nd, Sm, Eu, Gd, Tb and Dy), determined through synchrotron X-ray diffract…