Anomalous Wave Propagation in Topological Transition Metasurfaces
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Optical Materials"
DOI: 10.1002/adom.201801483
Abstract: Metasurfaces become an effective route to the control of not only free‐space waves but also surface plasmon polaritons (SPPs). SPPs, propagating along the interface between a metal and a dielectric, show properties of strong enhancement… read more here.
Keywords: propagation; topological transition; propagation topological; wave propagation ... See more keywords
Electronic Topological Transition as a Route to Improve Thermoelectric Performance in Bi0.5Sb1.5Te3
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202105709
Abstract: The electronic structure near the Fermi surface determines the electrical properties of the materials, which can be effectively tuned by external pressure. Bi0.5Sb1.5Te3 is a p‐type thermoelectric material which holds the record high figure of… read more here.
Keywords: 5sb1 5te3; topological transition; pressure; bi0 5sb1 ... See more keywords
Pressure-induced structural transitions and electronic topological transition of Cu2Se
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2017.10.201
Abstract: Abstract We performed high-pressure in situ angle dispersive X-ray diffraction (ADXRD) experiments combined with CALYPSO methodology and band structure calculations on Cu2Se up to 42.1 GPa at room temperature, and four phases were identified. The initial low-pressure… read more here.
Keywords: topological transition; phase; space group; electronic topological ... See more keywords
Resonant multi-gap superconductivity at room temperature near a Lifshitz topological transition in sulfur hydrides
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0070875
Abstract: Lifshitz topological transition in sulfur hydrides Maria Vittoria Mazziotti,1, 2 Roberto Raimondi,2 Antonio Valletta,3 Gaetano Campi,4 and Antonio Bianconi1, 4, 5 1)RICMASS Rome International Center for Materials Science, Superstripes Via dei Sabelli 119A, 00185 Roma,… read more here.
Keywords: transition sulfur; topological transition; roma italy; physics ... See more keywords
Self-induced topological transition in phononic crystals by nonlinearity management
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.014302
Abstract: A new design paradigm of topology has recently emerged to manipulate the flow of phonons. At its heart lies a topological transition to a nontrivial state with exotic properties. This framework has been limited to… read more here.
Keywords: topological transition; phononic crystals; topology; nonlinearity management ... See more keywords
Random-walk topological transition revealed via electron counting
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.241404
Abstract: The appearance of topological effects in systems exhibiting a nontrivial topological band structure strongly relies on the coherent wave nature of the equations of motion. Here, we reveal topological dynamics in a classical stochastic random… read more here.
Keywords: topological transition; transition revealed; revealed via; random walk ... See more keywords
Spontaneous Ferromagnetism Induced Topological Transition in EuB_{6}.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.166402
Abstract: The interplay between various symmetries and electronic bands topology is one of the core issues for topological quantum materials. Spontaneous magnetism, which leads to the breaking of time-reversal symmetry, has been proven to be a… read more here.
Keywords: ferromagnetism induced; induced topological; topological transition; spontaneous ferromagnetism ... See more keywords
Tunable angle-selective optical transparency induced by photonic topological transition in Dirac semimetals-based hyperbolic metamaterials.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.458584
Abstract: The tunable angle-selective transparency of hyperbolic metamaterials consisting of various multilayers of Dirac semimetal and dielectric materials are theoretically and numerically studied in the terahertz range. Three stack configurations are considered: alternating, sandwiched, and disordered.… read more here.
Keywords: tunable angle; topological transition; transparency; hyperbolic metamaterials ... See more keywords
Magnetic moiré effects and two types of topological transition in a twisted-bilayer hyperbolic metasurface with double-split ring arrays.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.471911
Abstract: Moiré configurations have recently attracted much attention due to their ability to enhance photonic responses and manipulate surface waves in the subwavelength ranges. However, previous studies have usually been focused on natural hyperbolic materials with… read more here.
Keywords: two types; topological transition; hyperbolic metasurface; types topological ... See more keywords
Criterion for photonic topological transition in two-dimensional heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.474505
Abstract: The anisotropic van der Waals material α-MoO3 has recently attracted considerable attention because of the ability to support ellipse and hyperbolic phonon polaritons with extreme field confinement and long lifetimes, which can be used in… read more here.
Keywords: two dimensional; phonon polaritons; topological transition; photonic topological ... See more keywords
Correlation-Driven Topological Transition in Janus Two-Dimensional Vanadates
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16041649
Abstract: The appearance of intrinsic ferromagnetism in 2D materials opens the possibility of investigating the interplay between magnetism and topology. The magnetic anisotropy energy (MAE) describing the easy axis for magnetization in a particular direction is… read more here.
Keywords: topology; correlation driven; topological transition; transition janus ... See more keywords