76 citations · 242 across the 17 of their papers we have counts for
18 papers
Resolving the pressure induced 'self-insertion' in skutterudite CoSb3
Bihan Wang, Anna Pakhomova, Saiana Khandarkhaeva +13
CoSb3, a skutterudite compound, is key in studying thermoelectric materials. Under compression, it undergoes a 'self-insertion' isostructural transition, redistributing large Sb at…
Synthesis of Ultra-Incompressible Carbon Nitrides Featuring Three-Dimensional Frameworks of CN4 Tetrahedra Recoverable at Ambient Conditions
Dominique Laniel, Florian Trybel, Andrey Aslandukov +22
More than thirty years ago, carbon nitrides featuring 3D frameworks of tetrahedral CN4 units were identified as one of the great aspirations of materials science, expected to have…
High-Pressure Synthesis of Seven Lanthanum Hydrides with a Significant Variability of Hydrogen Content
Dominique Laniel, Florian Trybel, Bjoern Winkler +12
The lanthanum-hydrogen system has attracted significant attention following the report of superconductivity in LaH10 at near-ambient temperatures and high pressures. Here, we prese…
Revealing Phosphorus Nitrides up to the Megabar Regime: Synthesis of alpha-P3N5, delta-P3N5 and PN2
Dominique Laniel, Florian Trybel, Adrien Neri +14
Non-metal nitrides are an exciting field of chemistry, featuring a significant number of compounds that can possess outstanding material properties. This characteristic relies on m…
Universal Hydrogen Bond Symmetrisation Dynamics Under Extreme Conditions
Thomas Meier, Florian Trybel, Dominique Laniel +5
The experimental study of hydrogen bonds and their symmetrisation under extreme conditions is predominantly driven by diffraction methods, despite challenges of localising or probi…
Aromatic Hexazine [N6]4- Anion Revealed in the Complex Structure of the High-Pressure Potassium Nitride K9N56
Dominique Laniel, Florian Trybel, Yuqing Yin +13
Recent high-pressure synthesis of pentazolates and subsequent stabilization of the aromatic [N5]- anion at atmospheric pressure had an immense impact on nitrogen chemistry. Here, w…
Thermodynamic and electronic properties of ReN polymorphs at high-pressure
Ferenc Tasnádi, Florian Bock, Alena Ponomareva +4
High pressure synthesis of rhenium nitride pernitride ReN with crystal structure unusual for transition metal dinitrides and high values of hardness and bulk modulus attracted…
Fe0.79Si0.07B0.14 metallic glass gaskets for high-pressure research beyond 1 Mbar
Weiwei Dong, Konstantin Glazyrin, Saiana Khandarkhaeva +5
A gasket is an important constituent of a diamond anvil cell (DAC) assembly, responsible for the sample chamber stability at extreme conditions for x-ray diffraction studies. In th…
In-situ High Pressure Nuclear Magnetic Resonance Crystallography
Thomas Meier, Alena Aslandukova, Florian Trybel +5
Our recent developments in in-situ nuclear magnetic resonance (NMR) spectroscopy under extreme conditions led to the observation of a wide variety of physical phenomena not accessi…
Nuclear Spin Crossover in Dense Molecular Hydrogen
Thomas Meier, Dominique Laniel, Miriam Pena-Alvarez +6
The laws of quantum mechanics are often tested against the behaviour of the lightest element in the periodic table, hydrogen. One of the most striking properties of molecular hydro…
Metallic Hydrogen Sublattice and Proton Mobility in Copper Hydride at High Pressure
Thomas Meier, Florian Trybel, Giacomo Criniti +9
Atomic and electronic structures of Cu2H and CuH have been investigated by high pressure NMR spectroscopy, X-ray diffraction and ab-initio calculations. Metallic Cu2H was synthesiz…
Novel rhenium carbides at 200 GPa
Saiana Khandarkhaeva, Timofey Fedotenko, Maxim Bykov +7
Laser heating of rhenium in a diamond anvil cell to 3000 K at about 200 GPa results in formation of two previously unknown rhenium carbides, hexagonal WC-type structured ReC and or…
Revisiting spin state crossover in (MgFe)O by means of high resolution X-ray diffraction from a single crystal
Konstantin Glazyrin, Saiana Khandarkhaeva, Leonid Dubrovinsky +1
(MgFe)O is a solid solution with ferrous iron undergoing the high to low spin state (HS-LS) crossover under high pressure. The exact state of the material in the region of the cros…
Table-top NMR system for high-pressure studies with in-situ laser heating
Thomas Meier, Anand Prashant Dwivedi, Saiana Khandarkhaeva +3
High pressure Nuclear Magnetic Resonance (NMR) is known to uncover behavior of matter at extreme conditions. However, significant maintenance demands, space requirements and high c…
Improving Resolution of Solid State NMR in Dense Molecular Hydrogen
Thomas Meier, Saiana Khandarkhaeva, Jeroen Jacobs +2
Recent advancements in radio-frequency resonator designs have led to the implementation of nuclear magnetic resonance in diamond anvil cells (DACs) at pressures well above 100 GPa.…
Pressure induced Hydrogen-Hydrogen interaction in metallic FeH revealed by NMR
Thomas Meier, Florian Trybel, Saiana Khandarkhaeva +8
Knowledge of the behavior of hydrogen in metal hydrides is the key for understanding their electronic properties. So far, no experimental methods exist to access these properties b…
Observation of Nuclear Quantum Effects and Hydrogen Bond Symmetrisation in High Pressure Ice
Thomas Meier, Sylvain Petitgirard, Saiana Khandarkhaeva +1
Hydrogen bond symmetrisations in H-bonded systems triggered by pressure induced nuclear quantum effects (NQEs) is a long-known concept1 but experimental evidences in high-pressure…
NMR close to Mega-Bar Pressures
Thomas Meier, Saiana Khandarkhaeva, Sylvain Petitgirard +4
The past 15 years have seen an astonishing increase in Nuclear Magnetic Resonance (NMR) sensitivity and accessible pressure range in high-pressure NMR experiments, owing to a serie…