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SrTiO$_3$ is a superconducting semiconductor with a pairing mechanism that is not well understood. SrTiO$_3$ undergoes a ferroelastic transition at $T=$ 105 K, leading to the formation of domains with boundaries that can couple to…

Superconductivity · Physics 2020-02-28 David Pekker , C. Stephen Hellberg , Jeremy Levy

Ferroelectrics form domain patterns that minimize their energy subject to imposed boundary conditions. In a linear, constrained theory, that neglects domain wall energy, periodic domain patterns in the form of multi-rank laminates can be…

Materials Science · Physics 2018-03-20 Ananya Renuka Balakrishna , John E. Huber , Ingo Münch

Ferroelectric charged domain walls are known for their high electrical conductivity, making them promising candidates for applications in modern electronics. A remarkably high conductivity and nominal charge density has been found in the…

Materials Science · Physics 2026-05-14 Petr S. Bednyakov , Iegor Rafalovskyi , Jiri Hlinka

We report on domain pattern transfer from a ferroelectric BaTiO$_{\mathrm{3}}$ substrate with a $(111)$-orientation of the surface to an epitaxial Co film grown on a Pd buffer layer. Spatially modulated interfacial strain transfer from…

Materials Science · Physics 2021-11-12 Kévin J. A. Franke , Colin Ophus , Andreas K. Schmid , Christopher H. Marrows

Understanding and controlling the motion, stability, and equilibrium configuration of ferroelectric domain walls is key for their integration into potential nanoelectronics applications, such as ferroelectric racetrack memories. Using…

Disordered Systems and Neural Networks · Physics 2022-01-05 Guillaume Rapin , Sophia Ehrensperger , Cédric Blaser , Nirvana Caballero , Patrycja Paruch

Domain structures of 320 nm thin epitaxial films of ferroelectric PbTiO3 grown by MOCVD technique in identical conditions on SmScO3 and TbScO3 perovskite sub- strates have been investigated by Raman spectroscopy and piezoresponse force…

Materials Science · Physics 2015-06-15 F. Borodavka , I. Gregora , A. Bartasyte , S. Margueron , V. Plausinaitiene , A. Abrutis , J. Hlinka

We investigate ferroelectric- and resistive switching behavior in 18-nm-thick epitaxial BaTiO$_3$ (BTO) films in a model electrolyte-ferroelectric-semiconductor (EFS) configuration. The system is explored for its potential as a…

Observations by in-situ transmission electron microscopy (TEM) reveal the changes in domains morphology in 0.885(Bi1/2Na1/2)TiO3-0.05(Bi1/2K1/2)TiO3-0.015(Bi1/2Li1/2)TiO3-0.05BaTiO3 ceramics. Evolution of the macroscopic ferroelectric…

Materials Science · Physics 2011-03-31 Cheuk W. Tai , S. H. Choy , H. L. W. Chan

Domain wall morphologies in ferroelectrics are believed to be largely shaped by electrostatic forces. Here, we show that for conducting domain walls, the morphology also depends on the details of the charge-carrier band structure. For…

Mesoscale and Nanoscale Physics · Physics 2023-12-11 B. C. Cornell , W. A. Atkinson

Ferroelectric switching in BiFeO$_3$ multiferroic thin films with intrinsic ``stripe-like'' and ``bubble-like'' polydomain configurations was studied by piezoresponse force microscopy. Using the local electric field applied by a scanning…

Materials Science · Physics 2009-07-28 H. Béa , M. Bibes , A. Barthélémy , P. Paruch

The magneto-optical technique has been employed to observe spontaneous ferromagnetic domain structures in La0.78Ca0.22MnO3 single crystals. The magnetic domain topology was found to be correlated with the intrinsic twin structure of the…

Strongly Correlated Electrons · Physics 2009-11-11 Grzegorz Jung , Vladimir Markovich , Kees van der Beek , Dmitrii Mogilyansky , Yakov M. Mukovskii

Electronic conduction along individual domain walls (DWs) has been reported in BiFeO$_3$ (BFO) and other nominally insulating ferroelectrics. DWs in these materials separate regions of differently oriented electrical polarization (domains)…

Freestanding ferroelectric membranes have emerged as a versatile tool for strain engineering, enabling the exploration of ferroelectric properties beyond traditional epitaxy. The resulting ferroelectric domain patterns stem from the balance…

Natural interfaces in ferroic oxides have developed into versatile playgrounds for studying electronic correlation effects in 2D systems. The microscopic origin of the emergent local electronic properties is often debated, however, as…

The rich electron correlations and highly coherent transport in reconfigurable devices sketched by a conductive atomic force microscope tip at the LaAlO3/SrTiO3 interface have enabled the oxide platform an ideal playground for studying…

Mesoscale and Nanoscale Physics · Physics 2023-06-19 Dawei Qiu , Mengke Ha , Qing Xiao , Zhiyuan Qin , Danqing Liu , Changjian Ma , Guanglei Cheng , Jiangfeng Du

Optical excitation perturbs the balance of phenomena selecting the tilt orientation of domain walls within ferroelectric thin films. The high carrier density induced in a low-strain BaTiO3 thin film by an above-bandgap ultrafast optical…

Using heterostructures that combine a large-polarization ferroelectric (BiFeO3) and a high-temperature superconductor (YBa2Cu3O7-{\delta}), we demonstrate the modulation of the superconducting condensate at the nanoscale via ferroelectric…

The wealth of complex polar topologies recently found in nanoscale ferroelectrics result from a delicate balance between the materials intrinsic tendency to develop a homogeneous polarization and the electric and mechanic boundary…

Using Landau-Ginzburg-Devonshire (LGD) approach we proposed the analytical description of the chemical strains influence on the spontaneous polarization and electrocaloric response in ferroelectric core-shell nanorods. We postulate that the…

Materials Science · Physics 2024-05-27 Anna N. Morozovska , Eugene A. Eliseev , Olha A. Kovalenko , Dean R. Evans

We present molecular dynamics simulations of a realistic model of an ultrathin film of BaTiO$_3$ sandwiched between short-circuited electrodes to determine and understand effects of film thickness, epitaxial strain and the nature of…

Materials Science · Physics 2009-11-13 Jaita Paul , Takeshi Nishimatsu , Y. Kawazoe , Umesh V. Waghmare
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