769 citations · 3.9k across the 37 of their papers we have counts for
37 papers
Real Space Characterization of Nonlinear Hall Effect in Confined Directions
Sheng Luo, Chuang-Han Hsu, Guoqing Chang +3
The nonlinear Hall effect (NLHE) is a phenomenon which could produce a transverse Hall voltage in a time-reversal-invariant material. Here, we report the real space characterizatio…
Unconventional Resistivity Scaling in Topological Semimetal CoSi
Shang-Wei Lien, Ion Garate, Utkarsh Bajpai +9
Nontrivial band topologies in semimetals lead to robust surface states that can contribute dominantly to the total conduction. This may result in reduced resistivity with decreasin…
Nonreciprocal transport in a bilayer of MnBi2Te4 and Pt
Chen Ye, Xiangnan Xie, Wenxing Lv3 +16
MnBi2Te4 (MBT) is the first intrinsic magnetic topological insulator with the interaction of spin-momentum locked surface electrons and intrinsic magnetism, and it exhibits novel m…
Topological theory of inversion-breaking charge-density-wave monolayer 1\textit{T}-TiSe
Ming-Chien Hsu, Bahadur Singh, Chuang-Han Hsu +3
A charge density wave (CDW) of a nonzero ordering vector couple electronic states at and statically, giving rise to a reduced Bril…
Observation of the out-of-plane polarized spin current from CVD grown WTe2
Shuyuan Shi, Jie Li, Chuang-Han Hsu +11
Weyl semimetal Td-phase WTe2 possesses the spin-resolved band structure with strong spin-orbit coupling, holding promises as a useful spin source material. The noncentrosymmetric c…
Topological Semimetals for Scaled Back-End-Of-Line Interconnect Beyond Cu
Ching-Tzu Chen, Utkarsh Bajpai, Nicholas A. Lanzillo +3
The resistance bottleneck in metal-interconnect scaling calls for new interconnect materials. This paper explores topological semimetals as a potential solution. After reviewing th…
Dimensionality-dependent type-II Weyl semimetal state in MoWTe
Peiling Li, Ya Deng, Chuanghan Hsu +15
Weyl nodes and Fermi arcs in type-II Weyl semimetals (WSMs) have led to lots of exotic transport phenomena. Recently, MoWTe has been established as a type-I…
Room temperature nonlinear Hall effect and wireless RF rectification in Weyl semimetal TaIrTe4
Dushyant Kumar, Chuang-Han Hsu, Raghav Sharma +6
The nonlinear Hall effect (NLHE), which can produce a transverse voltage without any magnetic field, is a potential alternative for rectification or frequency doubling. However, th…
Quantum frequency doubling in the topological insulator Bi2Se3
Pan He, Hiroki Isobe, Dapeng Zhu +3
The nonlinear Hall effect due to Berry curvature dipole (BCD) induces frequency doubling, which was recently observed in time-reversal-invariant materials. Here we report novel ele…
Canted Spin Texture and Quantum Spin Hall Effect in WTe2
Jose H. Garcia, Marc Vila, Chuang-Han Hsu +3
We report an unconventional quantum spin Hall phase in the monolayer T-WTe, which exhibits hitherto unknown features in other topological materials. The low-symmetry…
Low-symmetry topological materials for large charge-to-spin interconversion: The case of transition metal dichalcogenide monolayers
Marc Vila, Chuang-Han Hsu, Jose H. Garcia +5
The spin polarization induced by the spin Hall effect (SHE) in thin films typically points out of the plane. This is rooted on the specific symmetries of traditionally studied syst…
Spin-orbit torque magnetization switching in MoTe2/permalloy heterostructures
Shiheng Liang, Shuyuan Shi, Chuang-Han Hsu +6
The ability to switch magnetic elements by spin-orbit-induced torques has recently attracted much attention for a path towards high-performance, non-volatile memories with low powe…
Bond-breaking Induced Lifshitz Transition in Robust Dirac Semimetal
Yiyuan Liu, Yu-Fei Liu, Xin Gui +7
Topological electrons in semimetals are usually vulnerable to chemical doping and environment change, which restricts their potential application in future electronic devices. In t…
Novel Family of Topological Semimetals with Butterfly-like Nodal Lines
Xiaoting Zhou, Chuang-Han Hsu, Hugo Aramberri +6
In recent years, the exotic properties of topological semimetals (TSMs) have attracted great attention and significant efforts have been made in seeking for new topological phases…
Glide Symmetry Protected Higher-Order Topological Insulators from Semimetals with butterfly-like Nodal Lines
Xiaoting Zhou, Chuang-Han Hsu, Cheng-Yi Huang +5
Most topological insulators discovered today in spinful systems can be transformed from topological semimetals (TSMs) with vanishing bulk gap via introducing the spin-orbit couplin…
Optical detection and manipulation of spontaneous gyrotropic electronic order in a transition-metal dichalcogenide semimetal
Su-Yang Xu, Qiong Ma, Yang Gao +16
The observation of chirality is ubiquitous in nature. Contrary to intuition, the population of opposite chiralities is surprisingly asymmetric at fundamental levels. Examples range…
Purely rotational symmetry-protected topological crystalline insulator -Bi4Br4
Chuang-Han Hsu, Xiaoting Zhou, Qiong Ma +7
Recent theoretical advances have proposed a new class of topological crystalline insulator (TCI) phases protected by rotational symmetries. Distinct from topological insulators (TI…
Nonlinear magnetotransport shaped by Fermi surface topology and convexity in WTe2
Pan He, Chuang-Han Hsu, Shuyuan Shi +7
The nature of Fermi surface defines the physical properties of conductors and many physical phenomena can be traced to its shape. Although the recent discovery of a current-depende…
Observation of the nonlinear Hall effect under time reversal symmetric conditions
Qiong Ma, Su-Yang Xu, Huitao Shen +18
The electrical Hall effect is the production of a transverse voltage under an out-of-plane magnetic field. Historically, studies of the Hall effect have led to major breakthroughs…
Aspects of symmetry and topology in the charge density wave phase of 1T-TiSe2
Shin-Ming Huang, Su-Yang Xu, Bahadur Singh +5
The charge density wave (CDW) in 1T-TiSe2 accompanied by the periodic lattice distortion has a nontrivial symmetry configuration. The symmetry is important as an indication of the…
Topological crystalline insulator states in the CaAs family
Xiaoting Zhou, Chuang-Han Hsu, Tay-Rong Chang +9
Topological crystalline insulators (TCI) are insulating electronic phases of matter with nontrivial topology originating from crystalline symmetries. Recent theoretical advances ha…
Room-temperature nanoseconds spin relaxation in WTe2 and MoTe2 thin films
Qisheng Wang, Jie Li, Jean Besbas +11
The Weyl semimetal WTe2 and MoTe2 show great potential in generating large spin currents since they possess topologically-protected spin-polarized states and can carry a very large…
Topological superconductor in quasi-one-dimensional Tl2-xMo6Se6
Shin-Ming Huang, Chuang-Han Hsu, Su-Yang Xu +4
We propose that the quasi-one-dimensional molybdenum selenide compound Tl2-xMo6Se6 is a time-reversal-invariant topological superconductor induced by inter-sublattice pairing, even…
Stable charge density wave phase in a 1T-TiSe monolayer
Bahadur Singh, Chuang-Han Hsu, Wei-Feng Tsai +2
Charge density wave (CDW) phases are symmetry-reduced states of matter in which a periodic modulation of the electronic charge frequently leads to drastic changes of the electronic…