Nature Search

Unit-cell scale mapping of ferroelectricity and tetragonality in epitaxial ultrathin ferroelectric films

Chun-Lin Jia
Valanoor Nagarajan
Rainer Waser
Research17 Dec 2006
Nature Materials

Volume: 6, P: 64-69
Ferroelectric solitons crafted in epitaxial bismuth ferrite superlattices

Topological structures could spark promising functionalities in next generation nanoelectronics. Here, the authors report the realization of complex topological polar textures in epitaxial multiferroic BiFeO₃ –SrTiO₃ superlattices induced by competing electrical and mechanical boundary conditions.

Vivasha Govinden
Peiran Tong
Daniel Sando
ResearchOpen Access13 Jul 2023
Nature Communications

Volume: 14, P: 1-10
Ambient effect on the Curie temperatures and magnetic domains in metallic two-dimensional magnets

Zhiyin Tu
Ti Xie
Cheng Gong
ResearchOpen Access28 Jun 2021
npj 2D Materials and Applications

Volume: 5, P: 1-6
Anisotropic epitaxial stabilization of a low-symmetry ferroelectric with enhanced electromechanical response

Strain in thin films can increase piezoelectric properties, but crystallographic constraints may restrict the enhanced response to localized regions. Here, by combining strain and orientation engineering, a low-symmetry bridging phase of BiFeO₃ with enhanced piezoresponse is stabilized uniformly throughout the film.

Oliver Paull
Changsong Xu
Daniel Sando
Research23 Sept 2021
Nature Materials

Volume: 21, P: 74-80
Increase of power conversion efficiency in dye-sensitized solar cells through ferroelectric substrate induced charge transport enhancement

Xiaoyan Liu
Qifeng Zhang
Guozhong Cao
ResearchOpen Access26 Nov 2018
Scientific Reports

Volume: 8, P: 1-8
In-situ observation of ultrafast 90° domain switching under application of an electric field in (100)/(001)-oriented tetragonal epitaxial Pb(Zr_0.4Ti_0.6)O₃ thin films

Yoshitaka Ehara
Shintaro Yasui
Hiroshi Funakubo
ResearchOpen Access29 Aug 2017
Scientific Reports

Volume: 7, P: 1-7
Dual strain mechanisms in a lead-free morphotropic phase boundary ferroelectric

Julian Walker
Hugh Simons
Tadej Rojac
ResearchOpen Access21 Jan 2016
Scientific Reports

Volume: 6, P: 1-8
Deterministic optical control of room temperature multiferroicity in BiFeO₃ thin films

The remote, non-volatile and reversible optical control of ferroic orders is challenging. Here, using laser illumination, multiple orders in epitaxial mixed-phase BiFeO₃ are manipulated deterministically using a thermally driven flexoelectric effect.

Yi-De Liou
Yu-You Chiu
Jan-Chi Yang
Research06 May 2019
Nature Materials

Volume: 18, P: 580-587
Top-down patterning of topological surface and edge states using a focused ion beam

Topological edge states offer the prospect of dissipationless transport for nanoelectronics, but a precise method to spatially engineer such nanoscale conducting channels is still lacking. Here, the authors demonstrate patterning of topological boundary states in Sb₂Te₃ using a focused ion beam to create amorphous, topologically trivial regions.

Abdulhakim Bake
Qi Zhang
David Cortie
ResearchOpen Access27 Mar 2023
Nature Communications

Volume: 14, P: 1-8
Direct evidence for the spin cycloid in strained nanoscale bismuth ferrite thin films

Whilst possessing potential for electrically-controlled magnonic applications, the spin cycloid of bulk BiFeO₃ is lost in technologically-relevant thin films. Here, the authors demonstrate the stabilization of a long-range spin cycloid in BiFeO₃thin films through careful choice of electrostatic and strain conditions during thin film growth.

Joel Bertinshaw
Ronald Maran
Clemens Ulrich
ResearchOpen Access02 Sept 2016
Nature Communications

Volume: 7, P: 1-7
Superior polarization retention through engineered domain wall pinning

The use of ferroelectric materials in memory device applications is held back by low retention times. Here, the authors demonstrate that by intentionally introducing defective nanoregions which increase the activation field for domain wall motion, retention times larger than a year can be achieved.

Dawei Zhang
Daniel Sando
Jan Seidel
ResearchOpen Access17 Jan 2020
Nature Communications

Volume: 11, P: 1-8
Spherical ferroelectric solitons

Nanoscale ferroelectric topological solitons, such as polar bubbles, polar bubble skyrmions and hopfions, have garnered immense interest due to their emergent properties. This Perspective discusses how these structures form, advances in their study and how they can enable new devices and physics.

Vivasha Govinden
Sergei Prokhorenko
Nagarajan Valanoor
Reviews03 May 2023
Nature Materials

Volume: 22, P: 553-561
Expansion of the spin cycloid in multiferroic BiFeO₃ thin films

Stuart R. Burns
Daniel Sando
Clemens Ulrich
ResearchOpen Access29 Apr 2019
npj Quantum Materials

Volume: 4, P: 1-8
Strain Dependent Electronic Structure and Band Offset Tuning at Heterointerfaces of ASnO₃ (A=Ca, Sr, and Ba) and SrTiO₃

John D. Baniecki
Takashi Yamazaki
Yoshihiko Imanaka
ResearchOpen Access14 Feb 2017
Scientific Reports

Volume: 7, P: 1-12

Search

Unit-cell scale mapping of ferroelectricity and tetragonality in epitaxial ultrathin ferroelectric films

Ferroelectric solitons crafted in epitaxial bismuth ferrite superlattices

Ambient effect on the Curie temperatures and magnetic domains in metallic two-dimensional magnets

Anisotropic epitaxial stabilization of a low-symmetry ferroelectric with enhanced electromechanical response

Increase of power conversion efficiency in dye-sensitized solar cells through ferroelectric substrate induced charge transport enhancement

In-situ observation of ultrafast 90° domain switching under application of an electric field in (100)/(001)-oriented tetragonal epitaxial Pb(Zr_0.4Ti_0.6)O₃ thin films

Dual strain mechanisms in a lead-free morphotropic phase boundary ferroelectric

Deterministic optical control of room temperature multiferroicity in BiFeO₃ thin films

Top-down patterning of topological surface and edge states using a focused ion beam

Direct evidence for the spin cycloid in strained nanoscale bismuth ferrite thin films

Superior polarization retention through engineered domain wall pinning

Spherical ferroelectric solitons

Expansion of the spin cycloid in multiferroic BiFeO₃ thin films

Strain Dependent Electronic Structure and Band Offset Tuning at Heterointerfaces of ASnO₃ (A=Ca, Sr, and Ba) and SrTiO₃

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