[HTML][HTML] Ultra-thin ferroelectrics

H Qiao, C Wang, WS Choi, MH Park, Y Kim - Materials Science and …, 2021 - Elsevier
Device applications of ferroelectrics have not only utilized the switchable polarization but
also adopted myriads of emerging physical properties. In particular, ferroelectrics in ultra …

Ultrafast Field‐Emission Electron Sources Based on Nanomaterials

S Zhou, K Chen, MT Cole, Z Li, J Chen, C Li… - Advanced …, 2019 - Wiley Online Library
The search for electron sources with simultaneous optimal spatial and temporal resolution
has become an area of intense activity for a wide variety of applications in the emerging …

Single-phase multiferroics: new materials, phenomena, and physics

C Lu, M Wu, L Lin, JM Liu - National Science Review, 2019 - academic.oup.com
Multiferroics, where multiple ferroic orders coexist and are intimately coupled, promise novel
applications in conceptually new devices on one hand, and on the other hand provide …

Hybrid Improper Ferroelectricity in (Sr,Ca)3Sn2O7 and Beyond: Universal Relationship between Ferroelectric Transition Temperature and Tolerance Factor in n = 2 …

S Yoshida, H Akamatsu, R Tsuji… - Journal of the …, 2018 - ACS Publications
Hybrid improper ferroelectricity, which utilizes nonpolar but ubiquitous rotational/tilting
distortions to create polarization, offers an attractive route to the discovery of new …

Suppressing the ferroelectric switching barrier in hybrid improper ferroelectrics

S Li, T Birol - npj Computational Materials, 2020 - nature.com
Integration of ferroelectric materials into novel technological applications requires low
coercive field materials, and consequently, design strategies to reduce the ferroelectric …

Review of experimental progress of hybrid improper ferroelectricity in layered perovskite oxides

BH Zhang, XQ Liu, XM Chen - Journal of Physics D: Applied …, 2021 - iopscience.iop.org
The primary order parameter of hybrid improper ferroelectricity (HIF) is not spontaneous
polarisation but nonpolar modes such as oxygen octahedral rotations (OORs), antipolar, or …

Structural and optical properties of Fe-doped Ruddlesden-Popper Ca3Ti2-xFexO7-δ nanoparticles

LH Omari, H Lemziouka, R Moubah, M Haddad… - Materials Chemistry and …, 2020 - Elsevier
Abstract Ruddlesden-Popper Perovskite Ca 3 Ti 2-x Fe x O 7-δ (x= 0.0, 0.02, 0.04, 0.06, and
0.08 (CTFxO)) powders were synthesized by the sol-gel route. The crystal structure was …

Improved hybrid improper ferroelectricity in B-site substituted Ca3Ti2O7 ceramics with a Ruddlesden–Popper structure

BH Zhang, ZZ Hu, BH Chen, XQ Liu… - Journal of Applied …, 2020 - pubs.aip.org
Ca 3 Ti 2 O 7 with a Ruddlesden–Popper structure has received great scientific attention
due to its high ferroelectric polarization. However, the optimization of hybrid improper …

La2SrSc2O7: A-Site Cation Disorder Induces Ferroelectricity in Ruddlesden–Popper Layered Perovskite Oxide

W Yi, T Kawasaki, Y Zhang, H Akamatsu… - Journal of the …, 2024 - ACS Publications
Rational design of ferroelectrics in layered perovskites, like n= 2 Ruddlesden–Popper (RP)
phase A 3 B 2O7, has been achieved by the hybrid-improper ferroelectric (HIF) mechanism …

Crystal structural evolution and hybrid improper ferroelectricity in Ruddlesden-Popper Ca3-xSrxTi2O7 ceramics

GJ Li, XQ Liu, JJ Lu, HY Zhu, XM Chen - Journal of Applied Physics, 2018 - pubs.aip.org
Hybrid improper ferroelectricity (HIF) has been proposed as a candidate approach to create
room-temperature multiferroic materials with an intrinsic electric-field controlled magnetism …