Elastic moduli: a tool for understanding chemical bonding and thermal transport in thermoelectric materials

E Isotta, W Peng, A Balodhi, A Zevalkink - Angewandte Chemie, 2023 - Wiley Online Library
The elastic behavior of a material can be a powerful tool to decipher thermal transport. In
thermoelectrics, measuring the elastic moduli—directly tied to sound velocity—is critical to …

Tungsten tetraboride, an inexpensive superhard material

R Mohammadi, AT Lech, M Xie… - Proceedings of the …, 2011 - National Acad Sciences
Tungsten tetraboride (WB4) is an interesting candidate as a less expensive member of the
growing group of superhard transition metal borides. WB4 was successfully synthesized by …

Toward inexpensive superhard materials: tungsten tetraboride-based solid solutions

R Mohammadi, M Xie, AT Lech, CL Turner… - Journal of the …, 2012 - ACS Publications
To enhance the hardness of tungsten tetraboride (WB4), a notable lower cost member of the
late transition-metal borides, we have synthesized and characterized solid solutions of this …

Enhancing the hardness of superhard transition-metal borides: molybdenum-doped tungsten tetraboride

R Mohammadi, CL Turner, M Xie, MT Yeung… - Chemistry of …, 2016 - ACS Publications
By creation of solid solutions of the recently explored low-cost superhard boride, tungsten
tetraboride (WB4), the hardness can be increased. To illustrate this concept, various …

Superhard rhenium/tungsten diboride solid solutions

AT Lech, CL Turner, J Lei, R Mohammadi… - Journal of the …, 2016 - ACS Publications
Rhenium diboride (ReB2), containing corrugated layers of covalently bonded boron, is a
superhard metallic compound with a microhardness reaching as high as 40.5 GPa (under …

Alloying-Induced Structural Transition in the Promising Thermoelectric Compound CaAgSb

AKMA Shawon, W Guetari, K Ciesielski… - Chemistry of …, 2024 - ACS Publications
AMX Zintl compounds, crystallizing in several closely related layered structures, have
recently garnered attention due to their exciting thermoelectric properties. In this study, we …

First-principles study of multifunctional Mn 2 B 3 materials with high hardness and ferromagnetism

C Xu, K Bao, S Wang, G Wu, S Ma, L Li… - Physical Chemistry …, 2024 - pubs.rsc.org
Transition metal boride TM2B3 is widely studied in the field of physics and materials
science. However, Mn2B3 has not been found in Mn–B systems so far. Mn2B3 undergoes …

[HTML][HTML] Exploring hardness enhancement in superhard tungsten tetraboride-based solid solutions using radial X-ray diffraction

M Xie, R Mohammadi, CL Turner, RB Kaner… - Applied Physics …, 2015 - pubs.aip.org
In this work, we explore the hardening mechanisms in WB 4-based solid solutions upon
addition of Ta, Mn, and Cr using in situ radial X-ray diffraction techniques under non …

[HTML][HTML] Determination of single crystal elastic moduli of KTb3F10 by resonant ultrasound spectroscopy

A Balodhi, K Chang, KT Stevens… - Journal of Applied …, 2020 - pubs.aip.org
KTb 3 F 10 (KTF) has been developed in recent years as a candidate Faraday rotator
material because of its cubic symmetry, high figures of merit, and low absorption coefficient …

Superhard materials

R Mohammadi, RB Kaner - Encyclopedia of Inorganic and …, 2011 - Wiley Online Library
Materials possessing superior hardness can be divided into two main categories: ultra‐hard
and superhard. Diamond and cubic boron nitride (c‐BN) are considered ultra‐hard with …