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Mechanically deformable organic ferroelectric crystal with plasticity optimized by fluorination [PDF]

open access: yesNature Communications
The ability of plastic deformation exerts in bulk crystals would offer great promise for ferroelectrics to achieve emerging and exciting applications. However, conventional ferroelectric crystals generally suffer from inherent brittleness and are easy to
Pei-Zhi Huang   +11 more
doaj   +2 more sources

A 2D hybrid perovskite ferroelectric with switchable polarization and photoelectric robustness down to monolayer [PDF]

open access: yesNature Communications
The continuous dimensional scaling of semiconductor and logic photoelectric device requires ferroelectrics to possess robust photoelectric activity and switchable polarization at the nanoscale.
Yuzhong Hu   +6 more
doaj   +2 more sources

Superior ferroelectricity and nonlinear optical response in a hybrid germanium iodide hexagonal perovskite

open access: yesNature Communications, 2023
Abundant chemical diversity and structural tunability make organic–inorganic hybrid perovskites (OIHPs) a rich ore for ferroelectrics. However, compared with their inorganic counterparts such as BaTiO3, their ferroelectric key properties, including large
Kun Ding   +9 more
doaj   +1 more source

Hybrid organic–inorganic perovskite ferroelectrics bring light to semiconducting applications: Bandgap engineering as a starting point

open access: yesAPL Materials, 2021
Ferroelectrics are attractive due to their great application potential in information storage, optoelectronics, spintronics and sensing. As an important characteristic affecting semiconducting applications, the energy band structure is important for the ...
Jie Yao   +7 more
doaj   +1 more source

Ferroelectrochemistry

open access: yesAPL Materials, 2021
100 years have passed since the initiate of ferroelectrics, molecular ferroelectrics with homochirality. Although inorganic ceramics have gained widespread utilization, especially in electronic, optical, and energy harvesting devices, the development of ...
Xin Mu   +6 more
doaj   +1 more source

Near-room-temperature martensitic actuation profited from one-dimensional hybrid perovskite structure

open access: yesNature Communications, 2022
Martensitic transformations are structural phase transition that usually bring about stimuli-responsive phenomena. Here authors present a 1D hybrid perovskite ferroelastic martensite that shows thermoelastic actuation behaviour with a significant ...
Bei-Dou Liang   +5 more
doaj   +1 more source

Abnormal phase transition and polarization mismatch phenomena in BaTiO3-based relaxor ferroelectrics [PDF]

open access: yesJournal of Advanced Dielectrics, 2019
Relaxor ferroelectrics have been extensively studied due to their outstanding dielectric, piezoelectric, energy storage, and electro-optical properties.
Qingyuan Hu, Xiaoyong Wei
doaj   +1 more source

Effect of Composition and Surface Microstructure in Self-Polarized Ferroelectric Polymer Films on the Magnitude of the Surface Potential

open access: yesNanomaterials, 2023
The values of the surface potentials of two sides of films of polyvinylidene fluoride, and its copolymers with tetrafluoroethylene and hexafluoropropylene, were measured by the Kelvin probe method.
Valentin V. Kochervinskii   +8 more
doaj   +1 more source

Solvent Selective Effect Occurs in Iodinated Adamantanone Ferroelectrics

open access: yesAdvanced Science, 2022
Organic ferroelectrics, as a type of crystalline compound, are generally solution processing. However, for most crystalline compounds, the changing of solvent would not influence the crystalline phase, let alone their physical performance.
Lei Xu   +5 more
doaj   +1 more source

Organic radical ferroelectric crystals with martensitic phase transition

open access: yesNature Communications, 2023
Organic martensitic compounds are an emerging type of smart material with intriguing physical properties including thermosalient effect, ferroelasticity, and shape memory effect.
Nan Zhang   +6 more
doaj   +1 more source

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