Bonding Interactions Can Drive Topological Phase Transitions in a Zintl Antiferromagnetic Insulator
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202415610
Abstract: While ∼30% of materials are reported to be topological, topological insulators are rare. Magnetic topological insulators (MTI) are even harder to find. Identifying crystallographic features that can host the coexistence of a topological insulating phase… read more here.
Keywords: insulator; bonding interactions; interactions drive; topological insulators ... See more keywords
Atomic‐Scale Tracking Topological Phase Transition Dynamics of Polar Vortex‐Antivortex Pairs
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202312072
Abstract: Non‐trivial topological structures, such as vortex‐antivortex (V‐AV) pairs, have garnered significant attention in the field of condensed matter physics. However, the detailed topological phase transition dynamics of V‐AV pairs, encompassing behaviors like self‐annihilation, motion, and… read more here.
Keywords: vortex antivortex; antivortex pairs; transition; topological phase ... See more keywords
Light‐Induced Quantum Anomalous Hall Effect on the 2D Surfaces of 3D Topological Insulators
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Science"
DOI: 10.1002/advs.202101508
Abstract: Abstract Quantum anomalous Hall (QAH) effect generates quantized electric charge Hall conductance without external magnetic field. It requires both nontrivial band topology and time‐reversal symmetry (TRS) breaking. In most cases, one can break the TRS… read more here.
Keywords: anomalous hall; transition; hall; quantum anomalous ... See more keywords
Topological Phase Transition of Non‐Hermitian Crosslinked Chain
Sign Up to like & getrecommendations! Published in 2020 at "Annalen der Physik"
DOI: 10.1002/andp.201900402
Abstract: Non-Hermiticity enriches the contents of topological classification of matter including exceptional points, bulk-edge correspondence and skin effect. Gain and loss can be described by imaginary diagonal elements in Hamiltonians and the topological phase transition for… read more here.
Keywords: phase transition; phase; crosslinked chain; topological phase ... See more keywords
Topological Phase Transition and Topological Quantum State Transfer in Periodically Modulated Circuit‐QED Lattice
Sign Up to like & getrecommendations! Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202100120
Abstract: The topological properties of a circuit‐QED lattice are studied and it is found that the system undergoes a topological phase transition accompanied by the changes of Chern numbers from 2 to −1. For different lattice… read more here.
Keywords: lattice; topological phase; quantum; state ... See more keywords
Theoretical Understanding of Polar Topological Phase Transitions in Functional Oxide Heterostructures: A Review
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202200486
Abstract: The exotic topological phase is attracting considerable attention in condensed matter physics and materials science over the past few decades due to intriguing physical insights. As a combination of “topology” and “ferroelectricity,” the ferroelectric (polar)… read more here.
Keywords: topological phases; functional oxide; oxide heterostructures; topological phase ... See more keywords
The effect of pressure and spin orbit interaction on topological phase and phonon dispersion of LuX (X= Sb, Bi) compounds
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2018.07.283
Abstract: Abstract In this paper, the topological phase of LuX (X = Sb, Bi) compounds under hydrostatic and biaxial pressures is investigated based on first principles of density functional theory by WIEN2k package. To find out the Z2… read more here.
Keywords: spin orbit; orbit interaction; lux compounds; topological phase ... See more keywords
Topological phase transition in mechanical honeycomb lattice
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2018.08.021
Abstract: Abstract Topological materials provide a new tool to direct wave energy with unprecedented precision and robustness. Three elastic topological phases, the valley Hall, Chern and spin Hall insulators, are currently studied, and they are achieved… read more here.
Keywords: phase; topological phase; honeycomb lattice; wave ... See more keywords
Actively controllable topological phase transition in homogeneous piezoelectric rod system
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The Mechanics and Physics of Solids"
DOI: 10.1016/j.jmps.2019.103824
Abstract: Abstract By employing periodic electrical boundary conditions, an innovative method to generate actively tunable topologically protected interface mode in a “homogeneous” piezoelectric rod system is proposed. Made of homogeneous material and with uniform structure, each… read more here.
Keywords: phase; phase transition; topological phase; rod system ... See more keywords
Tunable Metal–Insulator and Topological Phase Transitions in Piezoelectric Janus Monolayers: Theoretical Simulations with Implications for Reconfigurable Strain-Biased Electronic Devices
Sign Up to like & getrecommendations! Published in 2024 at "ACS Applied Nano Materials"
DOI: 10.1021/acsanm.4c04016
Abstract: Quantum Spin Hall (QSH) insulators represent a quintessential example of a topological phase of matter, characterized by a conducting edge mode within a bulk energy gap. The pursuit of a tunable QSH state stands as… read more here.
Keywords: phase transitions; insulator topological; insulator; topological phase ... See more keywords
Dimensional Crossover and Topological Phase Transition in Dirac Semimetal Na3Bi Films.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.9b04933
Abstract: Three-dimensional (3D) topological Dirac semimetal, when thinned down to 2D few layers, is expected to possess gapped Dirac nodes via quantum confinement effect and concomitantly displays the intriguing quantum spin Hall (QSH) insulator phase. However,… read more here.
Keywords: phase transition; topological phase; dirac semimetal; na3bi films ... See more keywords