Theoretical study of the structural, elastic, vibrational and thermal properties of perovskite halides <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si96.svg" display="inline" id="d1e2235"> <mml:mrow> <mml:msub> <mml:mrow> <mml:mi mathvariant="normal">Cs</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>2</mml:mn> </mml:mrow> </mml:msub> <mml:msub> <mml:mrow> <mml:mi mathvariant="normal">TiBr</mml:mi> </mml:mrow> <mml:mrow> <mml:mn>6</mml:mn> <mml:mo>−</mml:mo> <mml:mi>x</mml:mi> </mml:mrow> </mml:msub> <mml:msub> <mml:mrow> <mml:mi mathvariant="normal">I</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>x</mml:mi> </mml:mrow> </mml:msub> </mml:mrow> </mml:math> (x = 0, 2, 4, 6)
Hadda Krarcha, B. Bennecer
Topics & Concepts
Debye modelBulk modulusThermal expansionShear modulusMaterials scienceThermodynamicsHeat capacityLattice constantPoisson's ratioElastic modulusAnisotropyPhononCondensed matter physicsDiffractionPhysicsPoisson distributionOpticsMathematicsStatisticsPerovskite Materials and ApplicationsThermal Expansion and Ionic ConductivitySolid-state spectroscopy and crystallography