Chemical bonding dictates drastic critical temperature difference in two seemingly identical superconductors

RH Lavroff, J Munarriz, CE Dickerson… - Proceedings of the …, 2024 - National Acad Sciences
Though YB6 and LaB6 share the same crystal structure, atomic valence electron
configuration, and phonon modes, they exhibit drastically different phonon-mediated …

Mechanical properties and thermal stability of tungsten boride films deposited by radio frequency magnetron sputtering

J Chrzanowska-Giżyńska, P Denis, S Woźniacka… - Ceramics …, 2018 - Elsevier
Tungsten and boron compounds belong to the group of superhard materials since their
hardness could exceed 40 GPa. In this study, the properties of the tungsten boride WB x …

Synthesis and high-pressure mechanical properties of superhard rhenium/tungsten diboride nanocrystals

J Lei, S Hu, CL Turner, K Zeng, MT Yeung, J Yan… - ACS …, 2019 - ACS Publications
Rhenium diboride is an established superhard compound that can scratch diamond and can
be readily synthesized under ambient pressure. Here, we demonstrate two synergistic ways …

Thin WBx and WyTi1− yBx films deposited by combined magnetron sputtering and pulsed laser deposition technique

J Chrzanowska-Giżyńska, P Denis, M Giżyński… - Applied Surface …, 2019 - Elsevier
The coatings of tungsten borides (WB x) and tungsten borides doped with titanium (W y Ti 1−
y B x) were deposited by using combined magnetron sputtering-pulsed laser deposition …

Radial X‐Ray Diffraction Study of Superhard Early Transition Metal Dodecaborides under High Pressure

J Lei, G Akopov, MT Yeung, J Yan… - Advanced Functional …, 2019 - Wiley Online Library
The deformation behavior of the three metal dodecaborides (YB12, ZrB12, and Zr0. 5Y0.
5B12) is investigated using radial X‐ray diffraction under nonhydrostatic compression up …

Dynamical bonding driving mixed valency in a metal boride

PJ Robinson, J Munarriz, ME Valentine… - Angewandte …, 2020 - Wiley Online Library
Samarium hexaboride is an anomaly, having many exotic and seemingly mutually
incompatible properties. It was proposed to be a mixed‐valent semiconductor, and later a …

Effect of pressure on the structural, electronic and mechanical properties of ultraincompressible W 2 B

Z Qin, W Gong, X Song, M Wang, H Wang, Q Li - RSC advances, 2018 - pubs.rsc.org
The crystal structures of W2B have been extensively investigated by the swarm structure
searching method at ambient and high-pressure conditions. Our calculated thermodynamic …

Revealing the unusual rigid boron chain substructure in hard and superconductive tantalum monoboride

S Ma, K Bao, Q Tao, L Li, Y Huang… - … A European Journal, 2019 - Wiley Online Library
Poor electrical conductivity severely limits the diverse applications of high hardness
materials in situations where electrical conductivities are highly desired. A “covalent metal” …

[HTML][HTML] Understanding the mechanism of hardness enhancement in tantalum-substituted tungsten monoboride solid solutions

J Lei, MT Yeung, R Mohammadi, CL Turner… - Journal of Applied …, 2019 - pubs.aip.org
The differential strain behavior of Ta x W 1-x B solid solutions has been studied as a function
of composition using high-pressure radial X-ray diffraction in a diamond-anvil cell under non …

Study of group 5B transition metal monoborides under high pressure

ANA Aparajita, G Shwetha, NRS Kumar… - Journal of Physics and …, 2020 - Elsevier
We report the structural stability and compressibility behavior of 5B transition metal (TM)
monoborides VB and TaB under high pressure. For the study, VB was synthesized in single …