Lattice Instability and Ultralow Lattice Thermal Conductivity of Layered PbIF

N Yedukondalu, A Shafique… - … Applied Materials & …, 2022 - ACS Publications
Understanding the interplay between various design strategies (for instance, bonding
heterogeneity and lone pair induced anharmonicity) to achieve ultralow lattice thermal …

Anomalous and non-monotonic strain dependent thermal conductivity of typical negative thermal expansion material ScF3

Z Tang, X Wang, J Li, C He, C Tang, H Wang… - Applied Physics …, 2023 - pubs.aip.org
It is well known that the lattice thermal conductivity of the vast majority of bulk materials
increases under compressive strain and decreases under tensile strain. In this paper, taking …

Effect of Atomic Mass Contrast on Lattice Thermal Conductivity: A Case Study for Alkali Halides and Alkaline-Earth Chalcogenides

SC Rakesh Roshan, N Yedukondalu… - ACS Applied …, 2023 - ACS Publications
Lattice thermal conductivity (κL) is of great scientific interest for the development of efficient
energy conversion technologies. Therefore, microscopic understanding of phonon transport …

Pressure-induced phase transitions and decompositions of Sr–S compounds

Y Liu, J Li, Y Geng, Z Xu, Y Lv, Z Zhang, J Yuan… - Physica B: Condensed …, 2024 - Elsevier
The processes involved in the high-pressure phases of Sr–S compounds and the pressure-
induced decomposition into strontium and sulfur are investigated using a structure prediction …

Highly Anisotropic to Isotropic Nature and Ultralow Out-of-Plane Lattice Thermal Conductivity of Layered PbClF-Type Materials

SC Rakesh Roshan, N Yedukondalu… - Inorganic …, 2024 - ACS Publications
Materials with an extreme lattice thermal conductivity (κl) are indispensable for thermal
energy management applications. Layered materials provide an avenue for designing such …

Advancing thermoelectric potential: strontium telluride under compression strain analyzed with HSE hybrid functional and Wannier interpolation

HS Patel, VA Dabhi, AM Vora - Scientific Reports, 2024 - nature.com
In the present era, the energy sector is undergoing an intense transformation, which
encourages numerous research efforts aimed at reducing and reusing energy waste. One of …

Structure, pressure-induced phase transition, electronic and thermal properties of alkaline earth oxide compounds

S Drablia, N Boukhris, K Gherbi, H Meradji… - Phase …, 2024 - Taylor & Francis
The current study reports the pressure-driven phase change, and electronic and thermal
properties of strontium oxide (SrO) and barium oxide (BaO) under pressure in different …

Lattice instability, anharmonicity and Raman spectra of BaO under high pressure: A first principles study

K Lavanya, N Yedukondalu, SCR Roshan… - Journal of Physics and …, 2022 - Elsevier
Alkaline-earth metal oxides, MgO and CaO dominate Earth's lower mantle, therefore,
exploring high-pressure behavior of these compounds is of significant geophysical research …

Effect of 4d-TM on the Structural, Electronic, and Magnetic Properties of zb-MgSe

J Elkhalifeh, K Moussa, X Zhang… - … of Superconductivity and …, 2023 - Springer
The study focuses on investigating the half-metallic ferromagnetic (HMF) behavior in 4d
transition metal (TM)–doped MgSe with a zinc-blende crystal structure. The calculations are …

Electron-phonon associated carrier mobility in MgSe and MgTe

M Joshi, TK Gajaria, PK Jha - arXiv preprint arXiv:2411.11399, 2024 - arxiv.org
Electron-phonon (Ep) coupling incorporated density functional theory (DFT) based
investigation of structural, electronic and vibrational properties of bulk MgSe and MgTe is …