Van der Waals layered ferroelectric CuInP2S6: Physical properties and device applications

S Zhou, L You, H Zhou, Y Pu, Z Gui, J Wang - Frontiers of Physics, 2021 - Springer
Copper indium thiophosphate, CuInP 2 S 6, has attracted much attention in recent years due
to its van der Waals layered structure and robust ferroelectricity at room temperature. In this …

Two dimensional ferroelectrics: Candidate for controllable physical and chemical applications

J Shang, X Tang, L Kou - Wiley Interdisciplinary Reviews …, 2021 - Wiley Online Library
The recent emerged two‐dimensional (2D) ferroelectrics have attracted tremendous
research interests due to their promising application in nonvolatile electronics devices. The …

Vibrational properties of across the ferroelectric transition

SN Neal, S Singh, X Fang, C Won, F Huang… - Physical Review B, 2022 - APS
In order to explore the properties of a two-sublattice ferroelectric, we measured the infrared
and Raman scattering response of CuInP 2 S 6 across the ferroelectric and glassy …

Ferrielectric-paraelectric phase transitions in layered and heterostructures: A Raman spectroscopy and x-ray diffraction study

R Rao, R Selhorst, BS Conner, MA Susner - Physical Review Materials, 2022 - APS
To better control the properties of emerging ferroelectric materials, it is important to
understand the microscopic origins of their phase transitions. Here, we focus on CuInP 2 S 6 …

Pressure-driven phase transformations and phase segregation in ferrielectric self-assembled heterostructures

R Rao, BS Conner, R Selhorst, MA Susner - Physical Review B, 2021 - APS
Layered multiferroic materials exhibit a variety of functional properties that can be tuned by
varying the temperature and pressure. As-synthesized CuIn P 2 S 6 is a layered material that …

Investigation of the evolution of thermal properties in ferrielectric CuInP2S6 and Ag0. 1Cu0. 9InP2S6 layered crystals by means of ac photopyroelectric calorimetry

V Liubachko, A Oleaga, A Salazar, A Kohutych… - Low Temperature …, 2023 - pubs.aip.org
For CuInP 2 S 6 layered crystal the temperature anomalies of the heat capacity and entropy
at the ferrielectric ordering are explained based on the theoretical studies which predict the …

A new highly stable multifunctional two-dimensional Si 2 BN monolayer quantum material with a direct bandgap predicted by density functional theory

B Djamel, N Chelil, S Mohammed, S Gusarov… - Physical Chemistry …, 2024 - pubs.rsc.org
In this work, we present a novel two-dimensional (2D) Si2BN structure (2D δ-Si2BN)
predicted using density functional theory (DFT). The proposed structure exhibits a unique …

Involvement of cationic sublattices in multiple polarization states in CuInP2S6 ferrielectrics

R Yevych, V Liubachko, Y Vysochanskii - Low Temperature Physics, 2024 - pubs.aip.org
The contribution of copper and indium cationic sublattices on polarization hysteresis loops in
CuInP 2 S 6 van der Waals ferrielectrics has been studied within the quantum anharmonic …

Robust ferroelectricity in low-dimensional δ-SiX (X= S/Se): a first-principles study

Y Dai, X Wang, X Fang, Z Qu, J Zhang, Z Wu… - Physical Chemistry …, 2023 - pubs.rsc.org
Low-dimensional ferroelectric materials hold great promise for application in nonvolatile
memory devices. In this work, ferroelectricity in two-dimensional monolayers and one …

Phonon spectra and phase transitions in van der Waals ferroics MM'P2X6

A Kohutych, V Liubachko, V Hryts… - … Crystals and Liquid …, 2022 - Taylor & Francis
For CuInP2S6 ferrielectrics by Brillouin spectroscopy, the temperature dependence of the
longitudinal hypersound velocity was investigated for the acoustic phonons propagated in …