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Topological insulators (TIs) show unusual optical responses resulting from a topological magnetoelectric (TME) effect. In this paper, we study theoretically the scattering of electromagnetic waves by circular TI cylinders. In certain configurations, the bulk s…
openalex
Lixin Ge, Tianrong Zhan, Dezhuan Han, Xiaohan Liu 等
2014-12-04
置信度 0.72
ScatteringTopological insulatorRayleigh scatteringMie scatteringPhysics
-
Abstract Engineering and manipulation of unidirectional channels has been achieved in quantum Hall systems, leading to the construction of electron interferometers and proposals for low-power electronics and quantum information science applications. However, t…
openalex
Nicodemos Varnava, Justin H. Wilson, J. H. Pixley, David Vanderbilt
2021-12-01
置信度 0.72
Topological insulatorAntiferromagnetismGapless playbackPhysicsTopology (electrical circuits)
-
It has been shown that doped topological insulators, up to a certain level of doping, still preserve some topological signatures of the insulating phase such as axionic electromagnetic response and the presence of a Majorana mode in the vortices of a supercond…
openalex
Ching‐Kai Chiu, Pouyan Ghaemi, Taylor L. Hughes
2012-12-05
置信度 0.72
MAJORANAPhysicsSuperconductivityTopological insulatorCondensed matter physics
-
openalex
Baoliang Lv, Nan Xu, Hongming Weng, Junzhang Ma 等
2015-08-17
置信度 0.72
PhysicsFermionQuasiparticleMassless particleWeyl semimetal
-
We study spin susceptibility and magnetic order at the edges/surfaces of two- and three-dimensional topological insulators when the Fermi surface is nested. We find that, due to spin-momentum locking as well as time-reversal symmetry, spin susceptibility at th…
openalex
Jian‐Hua Jiang, Si Wu
2011-05-23
置信度 0.72
Condensed matter physicsTopological insulatorFermi surfaceSpin (aerodynamics)Physics
-
Two-dimensional topological insulators (TIs) host gapless helical edge states that are predicted to support a quantized two-terminal conductance. Quantization is protected by time-reversal symmetry, which forbids elastic backscattering. Paradoxically, the curr…
openalex
Ajit C. Balram, Karsten Flensberg, Jens Paaske, Mark S. Rudner
2019-12-11
置信度 0.72
Topological insulatorPhysicsInsulator (electricity)Condensed matter physicsTheoretical physics
-
The intense theoretical and experimental interest in topological insulators and semimetals has established band structure topology as a fundamental material property. Consequently, identifying band topologies has become an important, but often challenging, pro…
openalex
Dominik Gresch, G. Autès, Oleg V. Yazyev, Matthias Troyer 等
2017-02-23
置信度 0.72
Topology (electrical circuits)Wannier functionComputer sciencePhysicsEngineering
-
Results are presented for the occupation probabilities and current densities of bulk and edge states of half-filled graphene in a cylindrical geometry and irradiated by a circularly polarized laser. It is assumed that the system is closed and that the laser ha…
openalex
Hossein Dehghani, Aditi Mitra
2016-05-26
置信度 0.72
Floquet theoryTopological insulatorEnhanced Data Rates for GSM EvolutionInsulator (electricity)Current (fluid)
-
The authors construct a network model of helical edge states that describes localization and transport properties on the surface of a weak three-dimensional topological insulator with time-reversal symmetry.
openalex
Hideaki Obuse, Shinsei Ryu, Akira Furusaki, Christopher Mudry
2014-04-21
置信度 0.72
Surface (topology)Topological insulatorEnhanced Data Rates for GSM EvolutionSymmetry (geometry)Physics
-
We study the surface conductivity of a three dimensional topological insulator doped with magnetic impurities. The spin-momentum locking of surface electrons makes their scattering from magnetic impurities anisotropic and the standard relaxation time approxima…
openalex
Amir Sabzalipour, Jahanfar Abouie, Saeed H. Abedinpour
2015-02-27
置信度 0.72
Condensed matter physicsTopological insulatorMagnetizationAnisotropyElectron
-
openalex
Hualei Sun, Cuiqun Chen, Yusheng Hou, Weiliang Wang 等
2021-09-28
置信度 0.72
AntiferromagnetismCondensed matter physicsMagnetismMagnetoresistanceTopological insulator
-
We report on the controlled removal of an amorphous Se capping layer from Bi2Te3 and Bi2Se3 topological insulators. We show that the Se coalesces into micron-sized islands before desorbing from the surface at a temperature of ∼150 °C. In situ Auger Electron Sp…
openalex
Kumar Virwani, S. E. Harrison, Aakash Pushp, Teya Topuria 等
2014-12-15
置信度 0.72
Topological insulatorAmorphous solidAuger electron spectroscopyTransmission electron microscopyRutherford backscattering spectrometry
-
The gauge fields dramatically alter the algebraic structure of spatial symmetries and make them projectively represented, giving rise to novel topological phases. Here, we propose a photonic Möbius topological insulator enabled by projective translation symmet…
europepmc
Chuang Jiang, Yiling Song, Xiaohong Li, Peixiang Lu 等
2023
置信度 0.80
PhysicsTranslational symmetryTopology (electrical circuits)Homogeneous spaceTopological insulator
-
An electric charge near the surface of a topological insulator (TI) induces an image magnetic monopole. Here we study the spectra of hydrogenlike ions near the surface of a planar TI, taking into account the modifications which arise due to the presence of the…
openalex
A. Martín-Ruiz, Luis F. Urrutia
2018-02-07
置信度 0.72
Magnetic monopolePhysicsRydberg formulaIonAngular momentum
-
We report the composition- and gate voltage-induced tuning of transport properties in chemically synthesized Bi2(Te1-xSex)3 nanoribbons. It is found that increasing Se concentration effectively suppresses the bulk carrier transport and induces semiconducting b…
openalex
Zhenhua Wang, Richard L. J. Qiu, Chee Huei Lee, Zhidong Zhang 等
2013-02-27
置信度 0.72
Ambipolar diffusionMaterials scienceTernary operationTopological insulatorCondensed matter physics
-
We have investigated the optical properties of thin films of topological insulators ${\mathrm{Bi}}_{2}{\mathrm{Te}}_{3}$, ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$, and their alloys ${\mathrm{Bi}}_{2}{({\mathrm{Te}}_{1\ensuremath{-}x}{\mathrm{Se}}_{x})}_{3}$ on ${\…
openalex
A. Dubroka, Ondřej Caha, M. Hronček, P. Friš 等
2017-12-12
置信度 0.72
Brillouin zoneTopological insulatorBand gapMaterials scienceValence (chemistry)
-
In this report, we scrutinize the thickness dependent resistivity data from the recent literature on electrical transport measurements in topological insulators. A linear increase in resistivity with increase in thickness is expected in the case of these mater…
openalex
Sourabh Barua, K. P. Rajeev
2014-01-01
置信度 0.72
Electrical resistivity and conductivityTopological insulatorMaterials scienceCondensed matter physicsSurface conductivity
-
T OPOLOGICAL MATTER IS FUNDAMENTALLY QUANTUM mechanical, with no correspondent in the classical world. Therefore, it would be quite natural to begin our journey with a review of topics that are particularly relevant to understanding the nature of topological q…
openalex
Tudor D. Stanescu
2016-12-13
置信度 0.72
Topological insulatorSuperconductivityPhysicsTopology (electrical circuits)Condensed matter physics
-
Robust fractional charge localized at disclination defects has recently been found as a topological response in ${C}_{6}$-symmetric 2D topological crystalline insulators (TCIs). In this article, we thoroughly investigate the fractional charge on disclinations …
openalex
Tianhe Li, Penghao Zhu, Wladimir A. Benalcazar, Taylor L. Hughes
2020-03-09
置信度 0.72
PhysicsAlgorithmComputer science
-
Abstract Reversible and nonvolatile electric-field control of the physical properties of topological insulators is essential for fundamental research and development of practical electronic devices. Here, we report the integration of topological insulator film…
openalex
Xu-Wen Zhao, Sining Dong, Guanyin Gao, Zhi‐Xue Xu 等
2018-10-15
置信度 0.72
Topological insulatorFerroelectricityMaterials scienceTopology (electrical circuits)Polarization (electrochemistry)
-
In the recently discovered topological crystalline insulators SnTe and ${\mathrm{Pb}}_{1\ensuremath{-}x}{\mathrm{Sn}}_{x}$(Te, Se), crystal symmetry and electronic topology intertwine to create topological surface states with many interesting features includin…
openalex
Maksym Serbyn, Liang Fu
2014-07-03
置信度 0.72
Quantization (signal processing)Landau quantizationTopological insulatorPhysicsSymmetry protected topological order
-
The higher-order topological insulator (HOTI) protected by spacial symmetry has been studied in-depth on models with square lattice. Our work, based on an alternative model on the breathing Kagome lattice, revealed that the different types of corners in the la…
openalex
Yichen Xu, Ruolan Xue, Shaolong Wan
2017-11-25
置信度 0.72
Gapless playbackPhysicsTopological insulatorLattice (music)Hamiltonian (control theory)
-
A pair of Dirac points (analogous to a vortex-antivortex pair) associated with opposite topological numbers (with ±π Berry phases) can be merged together through parameter tuning and annihilated to gap the Dirac spectrum, offering a canonical example of a topo…
openalex
Yang Xu, Guodong Jiang, I. Miotkowski, Rudro R. Biswas 等
2019-11-12
置信度 0.72
Topological insulatorCondensed matter physicsSemimetalInsulator (electricity)Thin film
-
openalex
Hazlihan Haris, Hamzah Arof, Ahmad Razif Muhammad, Caroline Livan Anyi 等
2018-12-28
置信度 0.72
Saturable absorptionMaterials scienceTopological insulatorFiber laserLaser
-
openalex
William Flavahan, Yotam Drier, Brian B. Liau, Shawn Gillespie 等
2015-12-23
置信度 0.72
CTCFBiologyPDGFRACancer researchGlioma
-
openalex
Rabia Sultana, Geet Awana, Banabir Pal, P. K. Maheshwari 等
2017-06-07
置信度 0.72
Topological insulatorRaman spectroscopyMaterials scienceCondensed matter physicsX-ray photoelectron spectroscopy
-
We show the existence of topological phases of Bloch insulators with time-reversal symmetry in three dimensions. These phases are characterized by topological ${Z}_{2}$ invariants whose stability is studied using band-touching arguments. Unlike insulators whic…
openalex
Rahul Roy
2009-05-21
置信度 0.72
Magnetic monopolePhysicsInvariant (physics)Brillouin zonePosition and momentum space
-
Magnetic impurities are crucial for probing spin-polarized topological surface states. Scanning tunneling microscopy (STM) studies of Fe on the Bi${}_{2}$Te${}_{3}$(111) surface are preformed and unveil distinct impurity structures of unknown origin which exhi…
openalex
Damien West, Yi‐Yang Sun, Shengbai Zhang, Tao Zhang 等
2012-02-14
置信度 0.72
Scanning tunneling microscopeMetastabilityTopological insulatorImpurityAnnealing (glass)
-
Magnetic topological insulators (TIs), including the quantum anomalous Hall effect and antiferromagnetic TIs, have attracted significant attention owing to the exotic properties they give rise to, however, ferromagnetic TIs with gapless surface/edge states and…
openalex
Hao Wang, Ning Mao, Chengwang Niu, Shiying Shen 等
2020-01-01
置信度 0.72
Topological insulatorGapless playbackFerromagnetismCondensed matter physicsAntiferromagnetism
-
The quantum anomalous Hall (QAH) effect has been recently discovered in an experiment using a thin-film topological insulator with ferromagnetic ordering and strong spin-orbit coupling. Here we investigate the spin degree of freedom of a QAH insulator and unco…
openalex
Jiansheng Wu, Jie Liu, Xiong-Jun Liu
2014-09-26
置信度 0.72
Topological insulatorSpintronicsCondensed matter physicsPhysicsQuantum spin Hall effect
-
openalex
Yujiu Jiang, Peng Zhu, Jinge Zhao, Shanshan Li 等
2022-11-22
置信度 0.72
BiosensorChemistryTopological insulatorDetection limitPeptide
-
The topological electronic structure plays a central role in the nontrivial physical properties in topological quantum materials. A minimal, “hydrogen-atom-like” topological electronic structure is desired for research. In this work, we demonstrate an effort t…
openalex
Aiji Liang, Cheng Chen, Huijun Zheng, Wei Xia 等
2022-05-23
置信度 0.72
Topological insulatorTopology (electrical circuits)Angle-resolved photoemission spectroscopyPhotoemission spectroscopyElectronic structure
-
Our work reveals a class of three-dimensional materials whose main features are dominated by d-orbital states. Their unique properties are derived from the low-energy states t 2g . Without spin–orbital coupling (SOC), we find a triple degenerate point with a q…
openalex
Lu Tian, Ying Liu, Weizhen Meng, Xiaoming Zhang 等
2020-11-24
置信度 0.72
Topological insulatorPhysicsTopological orderHamiltonian (control theory)Semimetal
-
Planar Hall effect (PHE) in topological insulators (TIs) is discussed as an effect that stems mostly from conduction due to topologically protected surface states. Although surface states play a critical role and are of utmost importance in TIs, our present st…
openalex
Archit Bhardwaj, Prasad P., Syam, Karthik V. Raman, et al, .
2021-01-01
置信度 0.72
Topological insulatorPlanarCondensed matter physicsHall effectMaterials science
-
We investigate properties of a topological Mott insulator in one dimension by examining the bulk topological invariant and the entanglement spectrum of a correlated electron model. We clarify how gapless edge states in a noninteracting topological band insulat…
openalex
Tsuneya Yoshida, Robert Peters, Satoshi Fujimoto, Norio Kawakami
2014-05-16
置信度 0.72
Mott insulatorCharacterization (materials science)Topological insulatorDimension (graph theory)Physics
-
We propose a new correlated topological state, which we call a higher-order topological Mott insulator (HOTMI). This state exhibits a striking bulk-boundary correspondence due to electron correlations. Namely, the topological properties in the bulk, characteri…
openalex
Koji Kudo, Tsuneya Yoshida, Yasuhiro Hatsugai
2019-11-07
置信度 0.72
Gapless playbackPhysicsTopological insulatorMott insulatorCondensed matter physics
-
The study of $\mathrm{ZrT}{\mathrm{e}}_{5}$ crystals is revived because of the recent theoretical prediction of topological phase in bulk $\mathrm{ZrT}{\mathrm{e}}_{5}$. However, the current conclusions for the topological character of bulk $\mathrm{ZrT}{\math…
openalex
Yang‐Yang Lv, Bin‐Bin Zhang, Xiao Li, Kai-Wen Zhang 等
2018-03-19
置信度 0.72
Topological insulatorGeometric phasePhysicsOscillation (cell signaling)Condensed matter physics
-
Abstract Two-dimensional topological insulators hosting the quantum spin Hall effect have application potential in dissipationless electronics. To observe the quantum spin Hall effect at elevated temperatures, a wide band gap is indispensable to efficiently su…
openalex
Yongjie Xu, Guohua Cao, Qiyuan Li, Cheng-Long Xue 等
2024-06-05
置信度 0.72
Realization (probability)MonolayerTopological insulatorBand gapPhysics
-
The modern theory of quantized polarization has recently extended from 1D dipole moment to multipole moment, leading to the development from conventional topological insulators (TIs) to higher-order TIs, i.e., from the bulk polarization as primary topological …
europepmc
Ce Shang, Shuo Liu, Caigui Jiang, Ruiwen Shao 等
2024
置信度 0.80
Topology (electrical circuits)Topological insulatorPhysicsTopological orderMultipole expansion
-
openalex
Zheng-Wei Zuo, Dong-Bo Ling, Li Sheng, D. Y. Xing
2013-09-09
置信度 0.72
MetamaterialPhysicsTopological insulatorTopology (electrical circuits)Optics
-
We use the $N$-terminal scheme for studying the edge-state transport in two-dimensional topological insulators. We find the universal nonlocal response in the ballistic transport approach. This macroscopic exhibition of the topological order offers different a…
openalex
Alexander Protogenov, V. A. Verbus, Е. В. Чулков
2013-11-26
置信度 0.72
Topological insulatorTopology (electrical circuits)Enhanced Data Rates for GSM EvolutionTopological orderPhysics
-
thin films on InP substrates. From the magneto-transmission data we extracted three distinct cyclotron resonance (CR) energies that are all apparent in the broad band Faraday rotation (FR) spectra. This comprehensive FR-CR data set has allowed us to isolate th…
openalex
Yinming Shao, K. W. Post, Jhih-Sheng Wu, Siyuan Dai 等
2016-12-29
置信度 0.72
Topological insulatorFaraday effectSurface statesCondensed matter physicsDirac fermion
-
Quantum spin Hall (QSH) effect materials feature edge states that are topologically protected from backscattering. However, the small band gap in materials that have been identified as QSH insulators limits applications. We use first-principles calculations to…
openalex
Xiaofeng Qian, Junwei Liu, Liang Fu, Ju Li
2014-11-21
置信度 0.72
Condensed matter physicsChalcogenideElectric fieldSiliceneMaterials science
-
In the frame of $\mathbf{k}\ifmmode\cdot\else\textperiodcentered\fi{}\mathbf{p}$ method and variational approach for the effective energy functional of a contact between a three-dimensional topological insulator (TI) and normal insulator (NI), we analytically …
openalex
V. N. Men’shov, В. В. Тугушев, С. В. Еремеев, P. M. Echenique 等
2015-02-17
置信度 0.72
Topological insulatorPhysicsInsulator (electricity)ElectronBound state
-
Two-dimensional (2D) topological insulators (TIs), which can be integrated into the modern silicon industry, are highly desirable for spintronics applications. Here, using first-principles electronic structure calculations, we show that the Au/Si(111)-$\sqrt{3…
openalex
Feng‐Chuan Chuang, Chia-Hsiu Hsu, Hsin-Lei Chou, Christian P. Crisostomo 等
2016-01-19
置信度 0.72
Topological insulatorScanning tunneling microscopeMaterials scienceSubstrate (aquarium)Monolayer
-
openalex
Zhenzhou Guo, Ying Liu, Haoqian Jiang, Xiaoming Zhang 等
2023-06-22
置信度 0.72
Topological insulatorCondensed matter physicsMagnetizationPhase transitionTopological order
-
We study the effect of magnetic doping at the surface of a three dimensional topological insulator (TI) on emergence of ferromagnetic ordering at the TI-surface assuming the exchange coupling between the Dirac fermions and the dilute magnetic ions. We show tha…
openalex
V. N. Men’shov, В. В. Тугушев, Е. В. Чулков
2011-12-01
置信度 0.72
Condensed matter physicsTopological insulatorFerromagnetismMagnetizationSolid-state physics
-
Within a tight-binding approach, it is shown that, contrary to naive expectations, single-particle spectral gaps can be opened on the surface states of three-dimensional topological insulators by using commensurate out- and in-plane antiferromagnetic or ferrim…
openalex
László Oroszlány, Alberto Cortijo
2012-11-26
置信度 0.72
Topological insulatorFerrimagnetismSurface statesCondensed matter physicsAntiferromagnetism
-
openalex
Alexey A. Soluyanov, Dominik Gresch, Zhijun Wang, Quansheng Wu 等
2015-11-01
置信度 0.72
SemimetalGeologyPhysicsTheoretical physicsAstrobiology
-
${\mathrm{SmB}}_{6}$ is one of the candidate compounds for topological Kondo insulators, a class of materials which combines a nontrivial topological band structure with strong electronic correlations. Here we employ a multiband tight-binding description, supp…
openalex
Pietro Sampaio Baruselli, Matthias Vojta
2014-11-11
置信度 0.72
QuasiparticleTopological insulatorKondo insulatorSpectroscopyPhysics
-
The linear magnetoresistance (MR) effect is an interesting topic due to its potential applications. In topological insulator Bi2Se3, this effect has been reported to be dominated by the carrier mobility (μ) and hence has a classical origin. Here, we study the …
openalex
Wen Jie Wang, Kuang Gao, Qiu Lin Li, Zhi‐Qing Li
2017-12-04
置信度 0.72
MagnetoresistanceTopological insulatorCondensed matter physicsMaterials scienceInsulator (electricity)
-
Recent research on intrinsic magnetic topological insulators (MTIs), MnBi2Te4, sheds new light on the observation of a long-expected high-temperature quantum anomalous Hall effect (QAHE). However, the strong interlayered anti-ferromagnetic (AFM) coupling hinde…
openalex
Hangkai Xie, Dinghui Wang, Zixiu Cai, Bo Chen 等
2020-06-01
置信度 0.72
Topological insulatorQuantum anomalous Hall effectFerromagnetismCondensed matter physicsMagnetism
-
The Faraday effect is a representative magneto-optical phenomenon, resulting from the transfer of angular momentum between interacting light and matter in which time-reversal symmetry has been broken by an externally applied magnetic field. Here we report on t…
openalex
Lukáš Ohnoutek, Michael Hakl, Martin Veis, B. A. Piot 等
2016-01-11
置信度 0.72
Topological insulatorFaraday effectPhysicsCondensed matter physicsMagnetic field
-
Three-dimensional spin current density injected onto the surface of a topological insulator (TI) produces a two-dimensional charge current density on the surface of the TI, which is the so-called inverse Edelstein effect (IEE). The ratio of the surface charge …
openalex
Rik Dey, Nitin Prasad, Leonard F. Register, Sanjay K. Banerjee
2018-05-07
置信度 0.72
Topological insulatorMaterials scienceCondensed matter physicsRelaxation (psychology)Insulator (electricity)
-
An experiment shows the existence of $\mathbb{Z}$-classified multiple chiral topological phase, which requires both chiral symmetry and a unique condition where the long-range hopping is stronger than the nearest-neighboring one.
europepmc
Dongyi Wang, Yuanchen Deng, Jun Ji, Mourad Oudich 等
2023
置信度 0.80
Realization (probability)Symmetry (geometry)Range (aeronautics)PhysicsMathematics
-
thin films to study the dynamics of its hot carrier relaxation process and coherent phonon behavior. The excitation and dynamics of phonon modes are observed with a response dependent on the thickness of the samples. The thickness-dependent characteristic time…
openalex
Jie Zhao, Zhongjie Xu, Yunyi Zang, Yan Gong 等
2017-06-16
置信度 0.72
Topological insulatorPhononCondensed matter physicsRelaxation (psychology)Thin film
-
Topological insulators are candidates to open up a novel route in spin based electronics. Different to traditional ferromagnetic materials, where the carrier spin-polarization and magnetization are based on the exchange interaction, the spin properties in topo…
openalex
Fabio Boschini, M. Mansurova, Gregor Mußler, Jörn Kampmeier 等
2015-10-29
置信度 0.72
Topological insulatorPhysicsCondensed matter physicsSpin polarizationSpin (aerodynamics)
-
The magnetic van der Waals crystals ${(\mathrm{Mn}\phantom{\rule{0.16em}{0ex}}{X}_{2}{\mathrm{Te}}_{4})}_{m}{({X}_{2}{\mathrm{Te}}_{3})}_{n}$ $(X=\mathrm{Sb},\phantom{\rule{0.28em}{0ex}}\mathrm{Bi})$ have drawn significant attention due to their rich topologic…
openalex
Cuiying Pei, Ming Xi, Qi Wang, Wujun Shi 等
2022-10-24
置信度 0.72
AntiferromagnetismSuperconductivityPhase diagramCondensed matter physicsvan der Waals force
-
We studied the electronic structures of antiferromagnetic (AFM) GdBiPt with propagating vectors $\stackrel{P\vec}{{Q}_{1}}=(0,0,\ensuremath{\pi}$) (A-type) and $\stackrel{P\vec}{{Q}_{2}}=(\ensuremath{\pi},\ensuremath{\pi},\ensuremath{\pi}$) (G-type) by perform…
openalex
Zhi Li, Haibin Su, Xinyu Yang, Jiuxing Zhang
2015-06-15
置信度 0.72
Zeeman effectAntiferromagnetismCondensed matter physicsTopological insulatorPhysics
-
We explore the ultrafast reflectivity response from photo-generated coupled phonon-surface Dirac plasmons in ${\mathrm{Sb}}_{2}{\mathrm{Te}}_{3}$ topological insulators several quintuple layers thick. The transient coherent phonon spectra obtained at different…
openalex
Richarj Mondal, Akira Arai, Yuta Saito, Paul Fons 等
2018-04-24
置信度 0.72
PhysicsPlasmonDirac (video compression format)Topological insulatorPhonon
-
(BSTS) topological insulators (TIs) and the generation of THz radiation in photoconductive antennas based on the TI films. The experimental results, supported by the developed kinetic theory of third harmonic generation, show that the frequency conversion in T…
europepmc
К. А. Кузнецов, S. A. Tarasenko, P. M. Kovaleva, П. И. Кузнецов 等
2022
置信度 0.80
Terahertz radiationTopological insulatorPhotonicsMaterials scienceOptoelectronics
-
Nanostructures of ternary topological insulator (TI) Bi2Te2Se are, in principle, advantageous to the manifestation of topologically nontrivial surface states, due to significantly enhanced surface‐to‐volume ratio compared with its bulk crystals counterparts. H…
openalex
Yujing Liu, Min Tang, Mengmeng Meng, Mingzhan Wang 等
2017-03-06
置信度 0.72
Topological insulatorTernary operationMicaEpitaxySpintronics
-
openalex
Yasuyuki Nakajima, Paul Syers, Xiangfeng Wang, Renxiong Wang 等
2015-11-23
置信度 0.72
PhysicsKondo insulatorTopological insulatorCondensed matter physicsSurface states
-
We argue that a three-dimensional electronic system with the Fermi level at the quadratic band touching point such as HgTe could be unstable with respect to the spontaneous formation of the (topological) Mott insulator at arbitrary weak long-range Coulomb inte…
openalex
Igor F. Herbut, Lukas Janssen
2014-09-02
置信度 0.72
Mott insulatorTopological insulatorQuadratic equationPhysicsTopology (electrical circuits)
-
With high quality topological insulator (TI) Bi2Se3 thin films, we report thickness-independent transport properties over wide thickness ranges. Conductance remained nominally constant as the sample thickness changed from 256 to ~8 QL (QL: quintuple layer, 1 Q…
openalex
Namrata Bansal, Kim, Yong Seung, Matthew Brahlek, Eliav Edrey 等
2011-04-29
置信度 0.72
Topological insulatorMaterials scienceInsulator (electricity)Thin filmOptoelectronics
-
openalex
Yan Peiguang, Lin Rongyong, Han Zhang, Zhiteng Wang 等
2014-09-18
置信度 0.72
Fiber laserPolarization controllerYtterbiumMaterials scienceOptics
-
Taken together and viewed holistically, recent theory, low temperature (T) transport, photoelectron spectroscopy and quantum oscillation experiments have built a very strong case that the paradigmatic mixed valence insulator SmB6 is currently unique as a three…
openalex
J. D. Denlinger, J. W. Allen, J.-S. Kang, Kai Sun 等
2013-12-23
置信度 0.72
Angle-resolved photoemission spectroscopyTopological insulatorPhotoemission spectroscopyValence (chemistry)Physics
-
We generate many-body corrected tight-binding Hamiltonians for topological insulators of the ${\mathrm{Bi}}_{2}{\mathrm{Se}}_{3}$ family. To this end, we use ab initio calculated parameters extracted from $GW$ calculations, thus capturing many-body exchange an…
openalex
Irene Aguilera, Christoph Friedrich, Stefan Blügel
2019-10-30
置信度 0.72
Tight bindingQuasiparticlePhysicsTopological insulatorDensity functional theory
-
We determine the nature of the magnetic order on the surface of a topological insulator (TI) which develops due to hexagonal warping and the resulting Fermi surface (FS) nesting in the presence of a repulsive Hubbard interaction. For this purpose we investigat…
openalex
Daniel Mendler, Panagiotis Kotetes, Gerd Schön
2015-04-06
置信度 0.72
Condensed matter physicsPhysicsSuperconductivitySkyrmionTopological insulator
-
openalex
Min Zhang, Zhantao Wei, Rong Jin, Yaxin Ji 等
2016-02-24
置信度 0.72
Topological insulatorCondensed matter physicsMagnetoresistanceMaterials scienceSputter deposition
-
Abstract Surface plasmon resonance (SPR) sensors have been applied in a wide range of applications for real‐time and label‐free detection. In this article, by covering the topological insulators nanosheets on the surface of the noble metal (Au), the sensitivit…
openalex
Jiaqi Zhu, Yuxuan Ke, Jianfeng Dai, Qi You 等
2019-12-20
置信度 0.72
Surface plasmon resonanceMaterials scienceSensitivity (control systems)Detection limitRefractive index
-
MnBi 8 Te 13 is an intrinsic ferromagnetic (FM) topological insulator with different complex surface terminations. Resolving the electronic structures of different termination surfaces and manipulation of the electronic state are important. Here, by using micr…
openalex
Haoyuan Zhong, Changhua Bao, Huan Wang, Jiaheng Li 等
2021-07-09
置信度 0.72
PhotoexcitationTopological insulatorPhotoemission spectroscopyMaterials scienceSurface states
-
openalex
P. Ballet, Candice Thomas, X. Baudry, Clément Bouvier 等
2014-04-28
置信度 0.72
Topological insulatorMolecular beam epitaxyCadmium telluride photovoltaicsMaterials scienceOptoelectronics
-
openalex
Kouji Segawa, A. A. Taskin, Yoichi Ando
2014-10-13
置信度 0.72
Homologous seriesTopological insulatorHeterojunctionSeries (stratigraphy)Homologous chromosome
-
We report on the systematic study of infrared/terahertz spectra of photocurrents in (Bi,Sb)Te based three-dimensional topological insulators. We demonstrate that in a wide range of frequencies, ranging from fractions up to tens of terahertz, the photocurrent i…
openalex
Plank, Helene, Pernul, Johanna, Gebert, Sebastian, Danilov, Sergey N. 等
2018-01-01
置信度 0.72
Topological insulatorTerahertz radiationMaterials sciencePhotocurrentSpectral line
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Topological insulators with the nanoscaled metallic surface state (3-5 nm) are actually of typical functional nanostructures. Significant efforts have been devoted to study new families of topological insulators and identifications of topological surface state…
openalex
Haoyu Zhang, Haoyang Li, Jianmei Shao, Shuhan Li 等
2013-10-30
置信度 0.72
Materials scienceTopological insulatorDetectorMagnetic fieldOptoelectronics
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Using time- and angle-resolved photoemission, we investigate the ultrafast response of excited electrons in the ternary topological insulator (Bi1-xSbx)2Te3 to fs-infrared pulses. We demonstrate that at the critical concentration x = 0.55, where the system bec…
openalex
J. Sánchez-Barriga, M. Battiato, E. Golias, A. Varykhalov 等
2017-04-03
置信度 0.72
Topological insulatorSurface photovoltageTernary operationSurface statesExcited state
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openalex
Qiming Shao, Yawen Liu, Guoqiang Yu, Se Kwon Kim 等
2019-05-17
置信度 0.72
Condensed matter physicsSkyrmionTopological insulatorMagnetic fieldMaterials science
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High Resolution Image Download MS PowerPoint Slide Magnetic interactions in combination with nontrivial band structures can give rise to several exotic physical properties such as a large anomalous Hall effect, the anomalous Nernst effect, and the topological …
openalex
Subhajit Roychowdhury, Kartik Samanta, Premakumar Yanda, B. Malaman 等
2023-06-02
置信度 0.72
Topology (electrical circuits)Condensed matter physicsHall effectAntiferromagnetismTopological insulator
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By means of ab initio DFT calculation, we analyze the mechanism that drives the formation and evolution of the 2D electron gas (2DEG) states at the surface of Bi 2 Te 3 topological insulator (TI). As it has been proved earlier it is due to an expansion of the …
openalex
Maia G. Vergniory, Tatiana V. Menshchikova, С. В. Еремеев, Е. В. Чулков
2012-04-01
置信度 0.72
Topological insulatorCondensed matter physicsAb initioAtomic orbitalSurface states
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Electrical-field control of the carrier density of topological insulators (TIs) has greatly expanded the possible practical use of these materials. However, the combination of low-temperature local probe studies and a gate tunable TI device remains challenging…
openalex
Tong Zhang, Niv Levy, Jeonghoon Ha, Young Kuk 等
2013-03-12
置信度 0.72
Topological insulatorScanning tunneling microscopeMolecular beam epitaxyMaterials scienceFermi level
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Abstract Studying the influence of broken time-reversal symmetry on topological materials is an important fundamental problem of current interest in condensed matter physics and its understanding could also provide a route toward proof-of-concept spintronic de…
openalex
Joon Sue Lee, Anthony Richardella, Robert D. Fraleigh, Chao-xing Liu 等
2018-10-12
置信度 0.72
Topological insulatorCondensed matter physicsSpintronicsHeterojunctionFerromagnetism
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We probe the near Fermi-level electronic structure of tunable topological-insulator $({\mathrm{Bi}}_{2}{\mathrm{Se}}_{3})$/cuprate-superconductor ${\mathrm{Bi}}_{2}{\mathrm{Sr}}_{2}{\mathrm{CaCu}}_{2}{\mathrm{O}}_{8+\ensuremath{\delta}}$ $({T}_{\mathrm{c}}\ens…
openalex
Su-Yang Xu, Chang Liu, Anthony Richardella, Ilya Belopolski 等
2014-08-20
置信度 0.72
PhysicsFermi surfaceCupratePosition and momentum spaceSuperconductivity
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${\mathrm{BaSn}}_{2}$ has been shown to form as layers of buckled stanene intercalated by barium ions. However, despite an apparently straightforward synthesis and significant interest in stanene as a topological material, ${\mathrm{BaSn}}_{2}$ has been left l…
openalex
Steve M. Young, Soham Manni, Junping Shao, P. C. Canfield 等
2017-02-15
置信度 0.72
Topological insulatorTopology (electrical circuits)Materials scienceAb initioPhase diagram
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Plasma etching is an important tool in nano-device fabrication. We report a study on argon plasma etching of topological insulator materials Bi2Se3, Bi2Te3, Sb2Te3 and Bi2Te2Se using exfoliated flakes (with starting thicknesses of ∼100 nm) derived from bulk cr…
openalex
Isaac Childres, Jifa Tian, Ireneusz Miotkowski, Yong Chen
2012-09-27
置信度 0.72
Raman spectroscopyArgonEtching (microfabrication)Materials sciencePlasma
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Dynamical quantum phase transitions (DQPTs) represent a counterpart in nonequilibrium quantum time evolution of thermal phase transitions at equilibrium, where real time becomes analogous to a control parameter such as temperature. In quenched quantum systems,…
openalex
Christian B. Mendl, Jan Carl Budich
2019-12-26
置信度 0.72
PhysicsTopological insulatorErgodicityQuantumStatistical physics
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We discuss phenomena arising from the combined influence of electron correlation and spin-orbit coupling (SOC), with an emphasis on emergent quantum phases and transitions in heavy transition metal compounds with 4d and 5d elements. A common theme is the influ…
openalex
William Witczak-Krempa, Gang Chen, Yong Baek Kim, Leon Balents
2011-03-01
置信度 0.72
PhysicsQuantum entanglementQuantum phasesQuantumQuantum mechanics
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We report on the mass acquisition of Dirac fermions by doping Cr into the topmost quintuple layer or into the bulk of $\mathrm{S}{\mathrm{b}}_{2}\mathrm{T}{\mathrm{e}}_{3}$ topological insulator films. By careful investigation of the scanning tunneling microsc…
openalex
Yeping Jiang, Can‐Li Song, Zhi Li, Mu Chen 等
2015-11-18
置信度 0.72
DopingTopological insulatorDirac fermionPhysicsCondensed matter physics
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Abstract We present a detail study of Shubinikov-de-Haas (SdH) oscillations accompanied by conductance fluctuations in a mesoscopic topological insulator PbBi4Te7 device. From SdH oscillations, the evidence of Dirac fermions with π Berry phase is found and the…
openalex
Priyanath Mal, Bipul Das, Archana Lakhani, Ganesh Bera 等
2019-05-07
置信度 0.72
Mesoscopic physicsConductanceTopological insulatorPhysicsCondensed matter physics
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High Resolution Image Download MS PowerPoint Slide Topological insulators show promise for high-performance optoelectronic applications due to their nonlinear optical properties, broad spectral absorption, ultrafast response to optical excitation, and excellen…
openalex
Satyam Sahu, J. Panda, Golam Haider, Otakar Frank 等
2023-11-28
置信度 0.72
Topological insulatorResponsivityPhotodetectorOptoelectronicsUltrashort pulse
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We study in this paper time-reversal $\ensuremath{\delta}$-impurity scattering effects in the bulk of topological insulators (TI) in two and three dimensions. Specifically we consider how impurity scattering strength is affected by the bulk band structure of t…
openalex
Cheung Chan, Tai-Kai Ng
2012-03-26
置信度 0.72
Topological insulatorImpurityScatteringCondensed matter physicsPhysics
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The dependences of the electrical conductivity, the Hall coefficient, and the Seebeck coefficient on the layer thickness d (d = 18−600 nm) of p-type topological insulator Bi2Te3 thin films grown by thermal evaporation in vacuum on glass substrates were obtaine…
openalex
E.I. Rogacheva, A. V. Budnik, A. Yu. Sipatov, O. N. Nashchekina 等
2015-02-02
置信度 0.72
Topological insulatorCondensed matter physicsSeebeck coefficientMaterials scienceThin film
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openalex
Hermann Schulz‐Baldes
2016-07-19
置信度 0.72
Topological insulatorTopology (electrical circuits)Fermi Gamma-ray Space TelescopePerspective (graphical)Focus (optics)
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The breaking of time-reversal symmetry (TRS) in topological insulators is a prerequisite for unlocking their exotic properties and for observing the quantum anomalous Hall effect (QAHE). The incorporation of dopants which exhibit magnetic long-range order is t…
openalex
A. I. Figueroa, G. van der Laan, S. E. Harrison, Giannantonio Cibin 等
2016-03-09
置信度 0.72
Topological insulatorDopantDopingMaterials scienceThin film
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We demonstrated the generation of stable topological insulator nanosecond Q -switched erbium-doped fiber laser with wide pulse repetition rate range. By virtue of the excellent saturable absorption property of the topological insulator saturable absorber, the …
openalex
Man Wu, Yu Chen, Han Zhang, Shuangchun Wen
2014-04-08
置信度 0.72
Saturable absorptionFiber laserMaterials scienceQ-switchingOptics
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Electron-spin momentum locking together with background magnetic textures can significantly alter the electron transport properties. We investigate theoretically the electron transport at the interface between a topological insulator and a magnetic insulator w…
openalex
Yasufumi Araki, Kentaro Nomura
2017-10-10
置信度 0.72
SkyrmionCondensed matter physicsTopological insulatorElectronPhysics
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We demonstrate the existence of topological insulators in one dimension (1D) protected by mirror and time-reversal symmetries. They are characterized by a nontrivial ${\mathbb{Z}}_{2}$ topological invariant defined in terms of the ``partial'' polarizations, wh…
openalex
Alexander Lau, Jeroen van den Brink, Carmine Ortix
2016-10-25
置信度 0.72
Topological insulatorHomogeneous spacePhysicsInvariant (physics)Boundary (topology)
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Intrinsic magnetic topological insulators (MTIs) $\mathrm{Mn}{\mathrm{Bi}}_{2}{\mathrm{Te}}_{4}$ and $\mathrm{Mn}{\mathrm{Bi}}_{2}{\mathrm{Te}}_{4}/{({\mathrm{Bi}}_{2}{\mathrm{Te}}_{3})}_{n}$ are expected to realize the high-temperature quantum anomalous Hall …
openalex
Bo Chen, Dinghui Wang, Zhicheng Jiang, Bo Zhang 等
2021-08-18
置信度 0.72
Topological insulatorQuantum anomalous Hall effectMagnetismFerromagnetismTopology (electrical circuits)
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The interplay between magnetism and nontrivial topology in magnetic topological insulators (MTIs) is expected to give rise to exotic topological quantum phenomena like the quantum anomalous Hall effect and the topological axion states. A key to assessing these…
openalex
Wonhee Ko, Marek Kolmer, Jiaqiang Yan, Anh Pham 等
2020-09-03
置信度 0.72
Topological insulatorSurface (topology)Insulator (electricity)Topology (electrical circuits)Computer science
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We present a theoretical study of the quantum magnetocapacitance of an ultrathin topological insulator film in an external magnetic field. The study is undertaken to investigate the interplay of the Zeeman interaction with the hybridization between the upper a…
openalex
M. Tahir, K. Sabeeh, U. Schwingenschlögl
2013-02-12
置信度 0.72
Zeeman effectMagnetocapacitanceCondensed matter physicsMagnetic fieldLandau quantization