Chemical Bonding of Crystalline LnB6 (Ln = La–Lu) and Its Relationship with Ln2B8 Gas-Phase Complexes

WL Li, C Ertural, D Bogdanovski, J Li… - Inorganic …, 2018 - ACS Publications
Solid-state lanthanide (Ln) borides of the simple LnB6 composition not only exhibit exciting
physical behavior, in particular magnetic properties, but their electronic structure and …

The elastic and mechanical properties of MB12 (M= Zr, Hf, Y, Lu) as a function of pressure

N Korozlu, K Colakoglu, E Deligoz, S Aydin - Journal of alloys and …, 2013 - Elsevier
By means of plane-wave density functional first-principles calculations within the
generalized gradient approximation (GGA), we report the structural, elastic and mechanical …

Synthesis of LaB6 powders from La2O3, B2O3 and Mg blends via a mechanochemical route

D Ağaoğulları, İ Duman, ML Öveçoğlu - Ceramics International, 2012 - Elsevier
This study reports a room temperature mechanochemical route for the synthesis of LaB6
powders from La2O3–B2O3–Mg blends. The synthesis reaction was driven by high-energy …

Phase stability, elastic, anisotropic properties, lattice dynamical and thermodynamic properties of B12M (M= Th, U, Np, Pu) dodecaborides

Y Lv, X Zhang, W Jiang - Ceramics International, 2018 - Elsevier
Dodecaborides are promising high strength ceramic and refractory materials, due to the
excellent physical properties. However, the scarce systematic investigations of physical …

Ab initio lattice dynamics and thermodynamics of rare-earth hexaborides and

T Gürel, R Eryiğit - Physical Review B—Condensed Matter and Materials …, 2010 - APS
We have performed an ab initio study of structural, elastic, lattice-dynamical, and
thermodynamical properties of rare-earth hexaborides LaB 6 and CeB 6. The calculations …

Electronic, thermodynamics and mechanical properties of LaB6 from first-principles

VI Ivashchenko, PEA Turchi, VI Shevchenko… - Physica B: Condensed …, 2018 - Elsevier
Up to date, the electronic structure properties of amorphous lanthanum hexaboride, a-LaB 6,
were not yet investigated, and the thermodynamic and mechanical properties of crystalline …

Shear anisotropy: Tuning high temperature metal hexaborides from soft to extremely hard

Y Zhou, F Dai, H Xiang, B Liu, Z Feng - Journal of materials science & …, 2017 - Elsevier
Easy machining into sharp lending edge, nose tip and complex shape components plays a
pivotal role in the application of ultrahigh temperature ceramics in hypersonic vehicles …

Surface termination analysis of stoichiometric metal hexaborides: Insights from first-principles and XPS measurements

KM Schmidt, O Jaime, JT Cahill, D Edwards, ST Misture… - Acta Materialia, 2018 - Elsevier
We present a modeling framework and discuss the energetics and structural features of the
surface terminations of Ca, Ba, Sr and La hexaborides using density functional theory …

YB6: A 'Ductile' and Soft Ceramic with Strong Heterogeneous Chemical Bonding for Ultrahigh-Temperature Applications

Y Zhou, B Liu, H Xiang, Z Feng, Z Li - Materials Research Letters, 2015 - Taylor & Francis
Transition metal borides have contributed to the success of ultrahigh-temperature materials
(UHTM) development. Current ZrB2-and HfB2-based UHTMs exhibit high-temperature …

Elastic properties and electronic structures of lanthanide hexaborides

J Duan, T Zhou, L Zhang, JG Du, G Jiang… - Chinese Physics …, 2015 - iopscience.iop.org
The structural, elastic, and electronic properties of a series of lanthanide hexaborides (LnB
6) have been investigated by performing ab initio calculations based on the density …