Bulk modulus of cubic perovskites

AS Verma, A Kumar - Journal of alloys and compounds, 2012 - Elsevier
In this paper, semiempirical formula for the bulk modulus (B in GPa) of perovskite structured
solids are elaborated in terms of lattice constant (a in Å) and product of ionic charges …

Strain-induced ferroelectricity in orthorhombic from first principles

CJ Eklund, CJ Fennie, KM Rabe - Physical Review B—Condensed Matter and …, 2009 - APS
First-principles calculations are used to investigate the effects of the epitaxial strain on the
structure of the perovskite oxide CaTiO 3. At 1.5% tensile strain, we find an epitaxial …

High-pressure investigation of up to 60 GPa using x-ray diffraction and Raman spectroscopy

M Guennou, P Bouvier, B Krikler, J Kreisel… - Physical Review B …, 2010 - APS
In this work, we investigate calcium titanate [CaTiO 3 (CTO)] using x-ray diffraction and
Raman spectroscopy up to 60 GPa and 55 GPa, respectively. Both experiments show that …

Materials genome project: The application of principal component analysis to the formability of perovskites and inverse perovskites

M Boubchir, H Aourag - Computational Condensed Matter, 2020 - Elsevier
We present a throughout multivariate technique in order to predict the formability of
perovskites and inverse perovskites compounds, on the basis of the unified atomic-ionic …

First-principles study of structural stabilities, and electronic and optical properties of under high pressure

X Wu, S Qin, Z Wu - Physical Review B—Condensed Matter and Materials …, 2006 - APS
An investigation into the structural stabilities and the electronic and optical properties of Ca F
2 under high pressure was conducted using first-principles calculations based on density …

A study of the phase transitions, electronic structures and optical properties of Mg2Si under high pressure

F Yu, JX Sun, W Yang, RG Tian, GF Ji - Solid state communications, 2010 - Elsevier
The phase transitions, electronic structures and optical properties of Mg2Si under high
pressure were researched by using the first-principles density functional theory. The …

Structure and elasticity of and their pressure dependences: Ab initio calculations

T Tsuchiya, J Tsuchiya - Physical Review B—Condensed Matter and Materials …, 2007 - APS
C mcm Ca Ir O 3 is isostructural to the newly discovered high-pressure postperovskite
polymorph of Mg Si O 3. Due to the high transition pressure in Mg Si O 3 over 100 GPa, low …

[HTML][HTML] Investigation into high-pressure behavior of MnTiO3: X-ray diffraction and Raman spectroscopy with diamond anvil cells

X Wu, S Qin, L Dubrovinsky - Geoscience Frontiers, 2011 - Elsevier
The structural stability of manganese titanate MnTiO3 at high pressure was investigated by X-
ray diffraction and Raman spectroscopy with diamond anvil cells. Ilmenite-type MnTiO3 is …

Materials genome project: Mining the ionic conductivity in oxide perovskites

M Boubchir, H Aourag - Materials Science and Engineering: B, 2021 - Elsevier
We present in this work a strategy for predicting new oxide perovskites with the potential for
achieving high ionic conductivity for applications as a solid oxide fuel cell (SOFC). We …

Structure Evolution of Ge-Doped CaTiO3 (CTG) at High Pressure: Search for the First 2:4 Locked-Tilt Perovskite by Synchrotron X-ray Diffraction and DFT …

M Ardit, S Conte, D Belmonte, F Menescardi… - Inorganic …, 2023 - ACS Publications
This research investigates the high-pressure behavior of the Ca (Ti0. 95Ge0. 05) O3
perovskite, a candidate of the locked-tilt perovskite family (orthorhombic compounds …