Programmable Coding Acoustic Topological Insulator.
Sign Up to like & getrecommendations! Published in 2018 at "Advanced materials"
DOI: 10.1002/adma.201805002
Abstract: Topological acoustics has recently revolutionized fundamental concepts of acoustic propagation, giving rise to strikingly unique acoustic edge modes immune to backscattering. Despite the rapid progress in this field, simultaneous realization of reconfigurability, intelligentization, and automatic… read more here.
Keywords: acoustics; topological insulators; acoustic topological; acoustic propagation ... See more keywords
Deep-Subwavelength Holey Acoustic Second-Order Topological Insulators.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201904682
Abstract: Higher-order topological insulators (HOTIs) belong to a new class of materials with unusual topological phases. They have garnered considerable attention due to their capabilities in confining energy at the hinges and corners, which is entirely… read more here.
Keywords: topological insulators; subwavelength holey; deep subwavelength; order topological ... See more keywords
Role of Magnetic Defects in Tuning Ground States of Magnetic Topological Insulators
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202209951
Abstract: Magnetic defects play an important, but poorly understood, role in magnetic topological insulators (TIs). For example, topological surface transport and bulk magnetic properties are controlled by magnetic defects in Bi2Se3‐based dilute ferromagnetic (FM) TIs and… read more here.
Keywords: afm; topological insulators; magnetic topological; magnetic defects ... See more keywords
Low-power and Field-free Perpendicular Magnetic Memory Driven by Topological Insulators.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202302350
Abstract: Giant spin-orbit torque (SOT) from topological insulators (TIs) has great potential for the low-power SOT-driven magnetic random-access memory (SOT-MRAM). Here, we demonstrate the functional 3-terminal SOT-MRAM device by integrating the TI [(BiSb)2 Te3 ] with… read more here.
Keywords: sot; low power; perpendicular magnetic; topological insulators ... See more keywords
Antiferromagnetic Ordering at Room Temperature in Co-Doped Sb2Te3 Topological Insulators
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-017-4462-1
Abstract: Structural and magnetic properties of Co-doped Sb2Te3 topological insulators have been investigated. Surface morphology was studied using scanning electron microscope (SEM) and atomic force microscope (AFM). X-ray photo electron spectroscopy (XPS) study reveals the mixed… read more here.
Keywords: doped sb2te3; room temperature; topological insulators; room ... See more keywords
Inverse design of second-order photonic topological insulators in C3-symmetric lattices
Sign Up to like & getrecommendations! Published in 2022 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2021.09.039
Abstract: Abstract Second-order photonic topological insulators (SPTIs) featured with topological edge and corner states provide an intriguing way for steering light in integrated optics. However, existing SPTIs have narrow bulk gaps for tightly confining topological edge… read more here.
Keywords: second order; topological insulators; photonic topological; topological edge ... See more keywords
Sb2Te3 nanosheets: Topological insulators with extraordinary electromagnetic response behaviors
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2020.128036
Abstract: Abstract Topological insulators exhibit a new variety of unusual phenomena associated with topologically protected gapless surface states. Interestingly, most topological insulators are possibly outstanding electromagnetic shielding materials due to the easily adjustable electric transport performance,… read more here.
Keywords: nanosheet aggregates; topological insulators; electromagnetic response; extraordinary electromagnetic ... See more keywords
Investigation of dynamic optical study of Bi2Te3 topological insulators thin film based on MWCNT flexible paper using terahertz spectroscopy
Sign Up to like & getrecommendations! Published in 2021 at "Optical Materials"
DOI: 10.1016/j.optmat.2021.111490
Abstract: Abstract The massless Dirac electron shows a linear energy dispersion in topological insulators (TIs) and these materials posses interesting properties such as high mobility, tuneable density and protection against backscattering over the time reversal symmetry… read more here.
Keywords: thin film; spectroscopy; flexible paper; topological insulators ... See more keywords
Crystal Chemistry and Bonding Patterns of Bismuth-Based Topological Insulators.
Sign Up to like & getrecommendations! Published in 2020 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.9b03461
Abstract: Bismuth is gaining importance as a key element of functional quantum materials. The effects of spin-orbit coupling (SOC) are at the heart of many exciting proposals for next-generation quantum technologies, including topological materials for efficient… read more here.
Keywords: chemistry; topological insulators; bismuth based; chemical ... See more keywords
Experimental Realization of Two-Dimensional Weak Topological Insulators.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c00555
Abstract: We report the experimental realization of a two-dimensional (2D) weak topological insulator (WTI) in spinless Su-Schrieffer-Heeger circuits with parity-time and chiral symmetries. Strong and weak Z2 topological indexes are adopted to explain the experimental findings… read more here.
Keywords: two dimensional; experimental realization; topological insulators; realization two ... See more keywords
Programmable Polariton Topological Insulators All-Optically Controlled by the Stark Effect.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c19115
Abstract: Efficiently and flexibly manipulating unidirectional edge states is key to developing topological insulators as functional devices. In this work, we propose an all-optical method that utilizes the valley-selective optical Stark effect to realize programmable topological… read more here.
Keywords: stark effect; polariton topological; programmable polariton; topological insulators ... See more keywords