Fei‐Ting Huang
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View article: The varying temperature- and pressure-induced phase transition pathways in hybrid improper ferroelectric Sr<sub>3</sub>Sn<sub>2</sub>O<sub>7</sub>
The varying temperature- and pressure-induced phase transition pathways in hybrid improper ferroelectric Sr<sub>3</sub>Sn<sub>2</sub>O<sub>7</sub> Open
A variable-temperature and pressure single-crystal diffraction study of hybrid improper ferroelectric Sr 3 Sn 2 O 7 is reported. In combination with symmetry analysis, we reveal that the application of pressure and temperature induce disti…
View article: Altermagnetism classification
Altermagnetism classification Open
Altermagnets are magnetic states with fully compensated spins and broken PT (PT: parity times time reversal) symmetry (i.e., spin-split bands). We classify three kinds of altermagnets in terms of broken P and T. Furthermore, strong alterma…
View article: Polar charge density wave in a superconductor with crystallographic chirality
Polar charge density wave in a superconductor with crystallographic chirality Open
Symmetry plays an important role in determining the physical properties in condensed matter physics, as the symmetry operations of any physical property must include the symmetry operations of the point group of the crystal. As a consequen…
View article: Probing ferroelectric domain structures and their switching dynamics in SrBi2Ta2O9 by in-situ electric biasing in transmission electron microscopy
Probing ferroelectric domain structures and their switching dynamics in SrBi2Ta2O9 by in-situ electric biasing in transmission electron microscopy Open
Lead-free SrBi 2 Ta 2 O 9 (SBT) has been a promising ferroelectric material for various applications such as electronics and data storage due to its outstanding ferroelectric properties including high fatigue endurance and low leakage curr…
View article: Kinetomagnetism of chirality and its applications
Kinetomagnetism of chirality and its applications Open
Chiral functionalities exhibited by systems lacking any mirror symmetry encompass natural optical activity, magnetochiral effect, diagonal current-induced magnetization, chirality-selective spin-polarized current of charged electrons or ne…
View article: Emergent phenomena with broken parity-time symmetry: Odd-order versus even-order effects
Emergent phenomena with broken parity-time symmetry: Odd-order versus even-order effects Open
Symmetry often governs the laws of nature, and breaking symmetry accompanies\na new order parameter and emergent observable phenomena. Herein, we focus on\nbroken Parity (P)-Time (T) symmetry, which lifts the Kramers' degeneracy, and\nthus…
View article: Magnetochiral tunneling in paramagnetic Co <sub>1/3</sub> NbS <sub>2</sub>
Magnetochiral tunneling in paramagnetic Co <sub>1/3</sub> NbS <sub>2</sub> Open
Electric currents have the intriguing ability to induce magnetization in nonmagnetic crystals with sufficiently low crystallographic symmetry. Some associated phenomena include the non-linear anomalous Hall effect in polar crystals and the…
View article: Magnetochiral Tunneling in Paramagnetic Co$_{1/3}$NbS$_2$
Magnetochiral Tunneling in Paramagnetic Co$_{1/3}$NbS$_2$ Open
Electric currents have the intriguing ability to induce magnetization in nonmagnetic crystals with sufficiently low crystallographic symmetry. Some associated phenomena include the non-linear anomalous Hall effect in polar crystals and the…
View article: Magnetic toroidicity
Magnetic toroidicity Open
Directional non-reciprocity refers to the phenomenon where the motion in one direction differs from the motion in the opposite direction. This behavior is observed across various systems, such as one-way traffic and materials displaying el…
View article: Trompe L’oeil Ferromagnetism—magnetic point group analysis
Trompe L’oeil Ferromagnetism—magnetic point group analysis Open
Ferromagnetism can be characterized by various distinct phenomena such as non-zero magnetization (inducing magnetic attraction/repulsion), diagonal piezomagnetism, nonreciprocal circular dichroism (such as Faraday effect), odd-order (inclu…
View article: Trompe L'oeil Ferromagnetism: magnetic point group analysis
Trompe L'oeil Ferromagnetism: magnetic point group analysis Open
Ferromagnetism can be characterized by various unique phenomena such as non-zero magnetization (inducing magnetic attraction/repulsion), diagonal piezomagnetism, nonreciprocal circular dichroism (such as Faraday effect), odd-order (includi…
View article: Roadmap on ferroelectric hafnia- and zirconia-based materials and devices
Roadmap on ferroelectric hafnia- and zirconia-based materials and devices Open
Ferroelectric hafnium and zirconium oxides have undergone rapid scientific development over the last decade, pushing them to the forefront of ultralow-power electronic systems. Maximizing the potential application in memory devices or supe…
View article: Strain‐Control of Cycloidal Spin Order in a Metallic Van der Waals Magnet
Strain‐Control of Cycloidal Spin Order in a Metallic Van der Waals Magnet Open
The manipulation of magnetism through strain control is a captivating area of research with potential applications for low‐power devices that do not require dissipative currents. Recent investigations of insulating multiferroics have unvei…
View article: Ferroelastic and 90∘ ferroelectric domains in Bi2WO6 single crystals
Ferroelastic and 90∘ ferroelectric domains in Bi2WO6 single crystals Open
High-quality single crystals of [Formula: see text] are grown using a flux method. With different flux growth recipes, we aim to control the crystallization temperature to be lower and higher than the ferroelectric transition temperature, …
View article: Linking emergent phenomena and broken symmetries through one-dimensional objects and their dot/cross products
Linking emergent phenomena and broken symmetries through one-dimensional objects and their dot/cross products Open
The symmetry of the whole experimental setups, including specific sample environments and measurables, can be compared with that of specimens for observable physical phenomena. We, first, focus on one-dimensional (1D) experimental setups, …
View article: Linking emergent phenomena and broken symmetries through one-dimensional objects and their dot/cross products
Linking emergent phenomena and broken symmetries through one-dimensional objects and their dot/cross products Open
The symmetry of the whole experimental setups, including specific sample environments and measurables, can be compared with that of specimens for observable physical phenomena. We, first, focus on one-dimensional (1D) experimental setups, …
View article: Multifunctionality of Li<sub>2</sub>SrNb<sub>2</sub>O<sub>7</sub>: Memristivity, Tunable Rectification, Ferroelasticity, and Ferroelectricity
Multifunctionality of Li<sub>2</sub>SrNb<sub>2</sub>O<sub>7</sub>: Memristivity, Tunable Rectification, Ferroelasticity, and Ferroelectricity Open
Layered Li 2 SrNb 2 O 7 , an inorganic oxide in its bulk single‐crystalline form, is experimentally demonstrated to exhibit multiple structural facets such as ferroelasticity, ferroelectricity, and antiferroelectricity. The transition from…
View article: Bilayer Square Lattice Tb<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> with Structural Z<sub>8</sub> Vortices and Magnetic Frustration
Bilayer Square Lattice Tb<sub>2</sub>SrAl<sub>2</sub>O<sub>7</sub> with Structural Z<sub>8</sub> Vortices and Magnetic Frustration Open
The bilayer perovskites’ family A3B2O7 holds rich structural complexity. When magnetism freedom is added in, great opportunities appear for new physics. Magnetic Tb ions in Tb2SrAl2O7 are known to crystallize in a bilayer square lattice. T…
View article: CSD 2100492: Experimental Crystal Structure Determination
CSD 2100492: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: Topological spin/structure couplings in layered chiral magnet Cr <sub>1/3</sub> TaS <sub>2</sub> : The discovery of spiral magnetic superstructure
Topological spin/structure couplings in layered chiral magnet Cr <sub>1/3</sub> TaS <sub>2</sub> : The discovery of spiral magnetic superstructure Open
Significance Magnets in which chirality of crystal lattice gives rise to noncollinear spin orders are ideal playgrounds for studies of novel physical phenomena originating from the nontrivial topology of magnetic textures. Most studies hav…
View article: Permutable SOS (Symmetry Operational Similarity)
Permutable SOS (Symmetry Operational Similarity) Open
Based on symmetry consideration, quasi-one-dimensional (1D) objects, relevant to numerous observables or phenomena, can be classified into eight different types. We provide various examples of each 1D type, and discuss their Symmetry Opera…
View article: Excitations of Intercalated Metal Monolayers in Transition Metal Dichalcogenides
Excitations of Intercalated Metal Monolayers in Transition Metal Dichalcogenides Open
We combine Raman scattering spectroscopy and lattice dynamics calculations to reveal the fundamental excitations of the intercalated metal monolayers in the FexTaS2 (x = 1/4, 1/3) family of materials. Both in- and out-of-plane modes are id…
View article: Magnetochiral Spin-Polarized Tunneling in a Paramagnetic State
Magnetochiral Spin-Polarized Tunneling in a Paramagnetic State Open
Crystallographic chirality can mediate various optical and electrical magnetochiral effects. Since these effects have been studied in bulk optical, transport or non-local probe setups, investigation with a local probe is necessarily the ne…
View article: Symmetry Switching of Negative Thermal Expansion by Chemical Control
Symmetry Switching of Negative Thermal Expansion by Chemical Control Open
The layered perovskite Ca3-xSrxMn2O7 is shown to exhibit a switching from a material exhibiting uniaxial negative to positive thermal expansion as a function of x. The switching is shown to be related to two closely competing phases with d…
View article: Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6
Interlocked chiral/polar domain walls and large optical rotation in Ni3TeO6 Open
Chirality, i.e., handedness, pervades much of modern science from elementary particles, DNA-based biology to molecular chemistry; however, most of the chirality-relevant materials have been based on complex molecules. Here, we report inorg…
View article: Self-poling with oxygen off-stoichiometry in ferroelectric hexagonal manganites
Self-poling with oxygen off-stoichiometry in ferroelectric hexagonal manganites Open
Topological vortices with complex domains and domain walls exist in hexagonal manganites, which undergo a structural transition accompanying ferroelectric polarization and trimerization. We have systematically studied the origin of two dif…