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View article: Colossal Cryogenic Electro‐Optic Response Through Metastability in Strained BaTiO<sub>3</sub> Thin Films
Colossal Cryogenic Electro‐Optic Response Through Metastability in Strained BaTiO<sub>3</sub> Thin Films Open
The search for thin film electro‐optic materials that can retain superior performance under cryogenic conditions has become critical for quantum computing. Barium titanate thin films show large linear electro‐optic coefficients in the tetr…
View article: Theory of terahertz pulse transmission through ferroelectric nanomembranes
Theory of terahertz pulse transmission through ferroelectric nanomembranes Open
An analytical model is developed to predict the temporal evolution of the lattice polarization in ferroelectric nanomembranes upon the excitation by a terahertz (THz) electromagnetic pulse of an arbitrary waveform, and the concurrent trans…
View article: Theory of terahertz pulse transmission through ferroelectric nanomembranes
Theory of terahertz pulse transmission through ferroelectric nanomembranes Open
An analytical model is developed to predict the temporal evolution of the lattice polarization in ferroelectric nanomembranes upon the excitation by a terahertz (THz) electromagnetic pulse of an arbitrary waveform, and the concurrent trans…
View article: Unprecedented enhancement of piezoelectricity of wurtzite nitride semiconductors via thermal annealing
Unprecedented enhancement of piezoelectricity of wurtzite nitride semiconductors via thermal annealing Open
Incorporating rare-earth elements into wurtzite nitride semiconductors, such as scandium-alloyed aluminum nitride (ScAlN), significantly enhances the piezoelectric response, which is vital for a broad range of acoustic, electronic, photoni…
View article: Colossal enhancement of spin transmission through magnon confinement in an antiferromagnet
Colossal enhancement of spin transmission through magnon confinement in an antiferromagnet Open
Since Felix Bloch's introduction of the concept of spin waves in 1930, magnons (the quanta of spin waves) have been extensively studied in a range of materials for spintronics, particularly for non-volatile logic-in-memory devices. Control…
View article: Thermodynamic Theory of Linear Optical and Electro-Optic Properties of Ferroelectrics
Thermodynamic Theory of Linear Optical and Electro-Optic Properties of Ferroelectrics Open
Ferroelectric materials underlie key optical technologies in optical communications, integrated optics and quantum computing. Yet, there is a lack of a consistent thermodynamic framework to predict the optical properties of ferroelectrics …
View article: Highly Responsive Polar Vortices in All‐Ferroelectric Heterostructures
Highly Responsive Polar Vortices in All‐Ferroelectric Heterostructures Open
The discovery of polar vortices and skyrmions in ferroelectric‐dielectric superlattices [such as (PbTiO 3 ) n /(SrTiO 3 ) n ] has ushered in an era of novel dipolar topologies and corresponding emergent phenomena. The key to creating such …
View article: Colossal Strain Tuning of Ferroelectric Transitions in KNbO<sub>3</sub> Thin Films
Colossal Strain Tuning of Ferroelectric Transitions in KNbO<sub>3</sub> Thin Films Open
Strong coupling between polarization ( P ) and strain (ɛ) in ferroelectric complex oxides offers unique opportunities to dramatically tune their properties. Here colossal strain tuning of ferroelectricity in epitaxial KNbO 3 thin films gro…
View article: Unprecedented Enhancement of Piezoelectricity in Wurtzite Nitride Semiconductors via Thermal Annealing
Unprecedented Enhancement of Piezoelectricity in Wurtzite Nitride Semiconductors via Thermal Annealing Open
The incorporation of rare-earth elements in wurtzite nitride semiconductors, e.g., scandium alloyed aluminum nitride (ScAlN), promises dramatically enhanced piezoelectric responses, critical to a broad range of acoustic, electronic, photon…
View article: Theory of nonlinear terahertz susceptibility in ferroelectrics
Theory of nonlinear terahertz susceptibility in ferroelectrics Open
An analytical theory is developed for predicting the nonlinear susceptibility of ionic polarization to continuous electromagnetic waves in both bulk and strained thin film ferroelectrics. Using a perturbation method for solving the nonline…
View article: Theory of nonlinear terahertz susceptibility in ferroelectrics
Theory of nonlinear terahertz susceptibility in ferroelectrics Open
An analytical theory is developed for predicting the nonlinear susceptibility of ionic polarization to continuous electromagnetic waves in both bulk and strained thin film ferroelectrics. Using a perturbation method for solving the nonline…
View article: A phenomenological thermodynamic energy density function for ferroelectric wurtzite Al1−xScxN single crystals
A phenomenological thermodynamic energy density function for ferroelectric wurtzite Al1−xScxN single crystals Open
A Landau–Devonshire thermodynamic energy density function for ferroelectric wurtzite aluminum scandium nitride (Al1−xScxN) solid solution is developed. It is parametrized using available experimental and theoretical data, enabling the accu…
View article: Exchange‐Interaction‐Like Behavior in Ferroelectric Bilayers
Exchange‐Interaction‐Like Behavior in Ferroelectric Bilayers Open
Interlayer coupling in materials, such as exchange interactions at the interface between an antiferromagnet and a ferromagnet, can produce exotic phenomena not present in the parent materials. While such interfacial coupling in magnetic sy…
View article: Thermodynamics and Ferroelectric Properties of Pb1-Xsrxtio3 Solid Solutions
Thermodynamics and Ferroelectric Properties of Pb1-Xsrxtio3 Solid Solutions Open
View article: Geometric Control of Domain Structure Stability in Ferroelectric Nanotubes
Geometric Control of Domain Structure Stability in Ferroelectric Nanotubes Open
Ferroelectric nanotubes offer intriguing opportunities for stabilizing exotic polarization domains and achieving new or enhanced functionalities by tailoring the complex interplay among the geometry, surface effects, crystal symmetry, and …