Anharmonicity-induced phonon hardening and phonon transport enhancement in crystalline perovskite

J Zheng, D Shi, Y Yang, C Lin, H Huang, R Guo… - Physical Review B, 2022 - APS
We investigated the effects of cubic and quartic anharmonicity on lattice dynamics and
thermal transport in highly anharmonic BaZrO 3 crystal over a wide temperature range (300 …

Broadband Dielectric, Terahertz, and Infrared Spectroscopy of BaTiO3–BaZrO3 Solid Solution: From Proper Ferroelectric over Diffuse and Relaxor Ferroelectrics and …

J Petzelt, V Bovtun, D Nuzhnyy, M Kempa… - … status solidi (b), 2021 - Wiley Online Library
Herein, the properties of broadband dielectric spectra up to THz–infrared range of the (1− x)
BaTiO3‐xBaZrO3 (BZT‐x) solid solution are reviewed and complemented. This includes the …

Understanding the growth mechanism of BaZrS3 chalcogenide perovskite thin films from sulfurized oxide precursors

SP Ramanandan, A Giunto, EZ Stutz… - Journal of Physics …, 2023 - iopscience.iop.org
Barium zirconium sulfide (BaZrS 3) is an earth-abundant and environmentally friendly
chalcogenide perovskite with promising properties for various energy conversion …

Tensorial properties via the neuroevolution potential framework: Fast simulation of infrared and Raman spectra

N Xu, P Rosander, C Schäfer… - Journal of Chemical …, 2024 - ACS Publications
Infrared and Raman spectroscopy are widely used for the characterization of gases, liquids,
and solids, as the spectra contain a wealth of information concerning, in particular, the …

Unraveling the Ground-State Structure of BaZrO3 by Neutron Scattering Experiments and First-Principles Calculations

A Perrichon, E Jedvik Granhed, G Romanelli… - Chemistry of …, 2020 - ACS Publications
The all-inorganic perovskite barium zirconate, BaZrO3, is a widely used material in a range
of different technological applications. However, fundamental questions surrounding the …

Understanding Correlations in BaZrO3: Structure and Dynamics on the Nanoscale

E Fransson, P Rosander, P Erhart… - Chemistry of …, 2023 - ACS Publications
Barium zirconate (BaZrO3) is one of few perovskites that is claimed to retain an average
cubic structure down to 0 K at ambient pressure while being energetically very close to a …

Studies on structural, dielectric, and optical properties of the lanthanum modified BF-BNT perovskite for the thermistor and photovoltaic applications

SK Parida - Transactions on Electrical and Electronic Materials, 2022 - Springer
The modified structure of BF-BNT (Bi0. 5La0. 5Fe) 0.25 (Bi0. 5Na0. 5Ti) 0.75 O3) single
perovskite is prepared by a conventional solid-state reaction technique. The structural …

High‐Temperature Equilibrium of 3D and 2D Chalcogenide Perovskites

P Kayastha, D Tiwari, A Holland, OS Hutter… - Solar …, 2023 - Wiley Online Library
Chalcogenide perovskites have been recently proposed as novel absorber materials for
photovoltaic applications. BaZrS3, the most investigated compound of this family, shows a …

Reversibly Controlled Ternary Polar States and Ferroelectric Bias Promoted by Boosting Square‐Tensile‐Strain

JH Lee, NX Duong, MH Jung, HJ Lee, A Kim… - Advanced …, 2022 - Wiley Online Library
Interaction between dipoles often emerges intriguing physical phenomena, such as
exchange bias in the magnetic heterostructures and magnetoelectric effect in multiferroics …

Anharmonicity of the antiferrodistortive soft mode in barium zirconate

P Rosander, E Fransson, C Milesi-Brault, C Toulouse… - Physical Review B, 2023 - APS
Barium zirconate (BaZrO 3) is one of the very few perovskites that is claimed to retain an
average cubic structure down to 0 K, while being energetically very close to an …