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Tilt-driven ferrielectricity in PbZrO
Huazhang Zhang, Ying Liu, Carson Carroll +6
We reveal a tilt-driven mechanism for ferrielectricity in prototypical antiferroelectric PbZrO. Specifically, introducing an additional octahedral tilt into the antiferroelectr…
Silicon-compatible ideal antiferroelectricity with large digital electromechanical responses enabled by thermal-strain domain engineering
Hao Xiong, Huazhang Zhang, Liang Shu +16
Antiferroelectrics exhibit reversible antipolar-polar transformations, offering a compelling platform for multiple functionalities in modern nanoelectronics, yet deterministic cont…
Unlocking Static Polarization and Strain Density Waves in Perovskites by Softening a Hidden Antiferrodistortive Tilt Gradient Mode
Yajun Zhang, Devesh R. Kripalani, Xu He +9
Spin density waves (SDWs) represent a fundamental paradigm of spatially modulated order in condensed matter systems, yet their electrical and mechanical analogues polarization and…
First-order polarization process as an alternative to antiferroelectricity
Louis Bastogne, Lukas Korosec, Evgenios Stylianidis +6
Antiferroelectrics generate significant interest since their polarization versus electric field (PE) curves show typical double-hysteresis loops appealing for various applications.…
Mechanical coupling of polar topologies and oxygen octahedra rotations in PbTiO/SrTiO superlattices
Fernando Gómez-Ortiz, Louis Bastogne, Xu He +1
PbTiO/SrTiO artificial superlattices recently emerged as a prototypical platform for the emergence and study of polar topologies. While previous studies mainly focused on t…
Multimodal Topological Textures Arising from Coupled Structural Orders in SrTiO
Fernando Gómez-Ortiz, Louis Bastogne, Philippe Ghosez
Magnetic spin topological textures recently found their electrical counterparts in polar topologies emerging from the condensation of inhomogeneous polar atomic distortions. Here,…