Materials synthesis at terapascal static pressures

L Dubrovinsky, S Khandarkhaeva, T Fedotenko… - Nature, 2022 - nature.com
Theoretical modelling predicts very unusual structures and properties of materials at
extreme pressure and temperature conditions,. Hitherto, their synthesis and investigation …

High-Pressure Synthesis of Dirac Materials: Layered van der Waals Bonded Polymorph

M Bykov, T Fedotenko, S Chariton, D Laniel… - Physical review …, 2021 - APS
High-pressure chemistry is known to inspire the creation of unexpected new classes of
compounds with exceptional properties. Here, we employ the laser-heated diamond anvil …

Aromatic hexazine [N6]4− anion featured in the complex structure of the high-pressure potassium nitrogen compound K9N56

D Laniel, F Trybel, Y Yin, T Fedotenko… - Nature …, 2023 - nature.com
The recent high-pressure synthesis of pentazolates and the subsequent stabilization of the
aromatic [N5]− anion at atmospheric pressure have had an immense impact on nitrogen …

Tungsten hexanitride with single-bonded armchairlike hexazine structure at high pressure

NP Salke, K **a, S Fu, Y Zhang, E Greenberg… - Physical Review Letters, 2021 - APS
WN 6 phase discovered at 126–165 GPa after heating of W in nitrogen. XRD refinements
reveal a unit cell in space group R 3¯ m which is consistent with the WN 6 structure with …

[PDF][PDF] Domain Auto Finder (DAFi) program: the analysis of single-crystal X-ray diffraction data from polycrystalline samples

A Aslandukov, M Aslandukov… - Journal of applied …, 2022 - journals.iucr.org
This paper presents the Domain Auto Finder (DAFi) program and its application to the
analysis of single-crystal X-ray diffraction (SC-XRD) data from multiphase mixtures of …

Stabilized nitrogen framework anions in the Ga–N system

H Zhai, R Xu, J Dai, X Ma, X Yu, Q Li… - Journal of the American …, 2022 - ACS Publications
Nitrogen-rich compounds have attracted significant fundamental and practical interest owing
to their ability to accommodate diverse nitrogen-bonding patterns and their feasibility as high …

Stabilization of N6 and N8 anionic units and 2D polynitrogen layers in high-pressure scandium polynitrides

A Aslandukov, A Aslandukova, D Laniel… - Nature …, 2024 - nature.com
Nitrogen catenation under high pressure leads to the formation of polynitrogen compounds
with potentially unique properties. The exploration of the entire spectrum of poly-and oligo …

Stabilization of polynitrogen anions in tantalum–nitrogen compounds at high pressure

M Bykov, E Bykova, AV Ponomareva… - Angewandte Chemie …, 2021 - Wiley Online Library
The synthesis of polynitrogen compounds is of great importance due to their potential as
high‐energy‐density materials (HEDM), but because of the intrinsic instability of these …

Stabilization of hexazine rings in potassium polynitride at high pressure

Y Wang, M Bykov, I Chepkasov, A Samtsevich… - Nature Chemistry, 2022 - nature.com
Polynitrogen molecules are attractive for high-energy-density materials due to energy stored
in nitrogen–nitrogen bonds; however, it remains challenging to find energy-efficient synthetic …

Anionic N18 Macrocycles and a Polynitrogen Double Helix in Novel Yttrium Polynitrides YN6 and Y2N11 at 100 GPa

A Aslandukov, F Trybel, A Aslandukova… - Angewandte Chemie …, 2022 - Wiley Online Library
Two novel yttrium nitrides, YN6 and Y2N11, were synthesized by direct reaction between
yttrium and nitrogen at 100 GPa and 3000 K in a laser‐heated diamond anvil cell. High …