106 citations · 317 across the 22 of their papers we have counts for
22 papers
In-Plane Field induced Quantized Longitudinal Conductivity in Magnetic Topological Insulators
Ting-Hsun Yang, Yaochen Li, Peng Zhang +9
We report the discovery of an in plane quantization (IPQ) state in trilayer magnetic topological insulators, characterized by a quantized longitudinal conductivity of e2/h under st…
Inducing superconductivity in quantum anomalous Hall regime
Yu Huang, Yu Fu, Peng Zhang +2
Interfacing the quantum anomalous Hall insulator with a conventional superconductor is known to be a promising manner for realizing a topological superconductor, which has been con…
Phonon and defect mediated quantum anomalous Hall insulator to metal transition in magnetically doped topological insulators
Akiyoshi Park, Adrian Llanos, Chun-I Lu +8
Quantum Anomalous Hall (QAH) state in six quintuple layer Cr(BiSb)Te thin films were studied through scanning tunneling spectroscopy (STS) and e…
Tunning the number of chiral edge channels in a fixed quantum anomalous Hall system
Peng Deng, Yulei Han, Peng Zhang +3
Quantum anomalous Hall (QAH) insulators exhibit chiral edge channels characterized by vanishing longitudinal conductance and quantized Hall conductance of Ce2/h, wherein the Chern…
Edge Magnetoplasmon Dispersion and Time-Resolved Plasmon Transport in a Quantum Anomalous Hall Insulator
Luis A. Martinez, Gang Qiu, Peng Deng +8
A quantum anomalous Hall (QAH) insulator breaks reciprocity by combining magnetic polarization and spin-orbit coupling to generate a unidirectional transmission of signals in the a…
Universal conductance fluctuations in a MnBiTe thin film
Molly P. Andersen, Evgeny Mikheev, Ilan T. Rosen +5
Quantum coherence of electrons can produce striking behaviors in mesoscopic conductors, including weak localization and the Aharonov-Bohm effect. Although magnetic order can also s…
A unified realization of electrical quantities from the quantum International System of Units
Linsey K. Rodenbach, Jason M. Underwood, Ngoc Thanh Mai Tran +12
In the revised International System of Units (SI), the ohm and the volt are realized from the von Klitzing constant and the Josephson constant, and a practical realization of the a…
Giant Hall Switching by Surface-State-Mediated Spin-Orbit Torque in a Hard Ferromagnetic Topological Insulator
Lixuan Tai, Haoran He, Su Kong Chong +17
Topological insulators (TI) and magnetic topological insulators (MTI) can apply highly efficient spin-orbit torque (SOT) and manipulate the magnetization with their unique topologi…
Proximity-induced quasi-one-dimensional superconducting quantum anomalous Hall state: a promising scalable top-down approach towards localized Majorana modes
Omargeldi Atanov, Wai Ting Tai, Ying-Ming Xie +14
In this work, ~100 nm wide quantum anomalous Hall insulator (QAHI) nanoribbons are etched from a two-dimensional QAHI film. One part of the nanoribbon is covered with superconducti…
Low-damage electron beam lithography for nanostructures on BiTe-class topological insulator thin films
Molly P. Andersen, Linsey K. Rodenbach, Ilan T. Rosen +7
Nanostructured topological insulators (TIs) have the potential to impact a wide array of condensed matter physics topics, ranging from Majorana physics to spintronics. However, the…
Structural tuning magnetism and topology in a magnetic topological insulator
Christopher Eckberg, Gang Qiu, Tao Qu +10
To date, the most widely-studied quantum anomalous Hall insulator (QAHI) platform is achieved by dilute doping of magnetic ions into thin films of the alloyed tetradymite topologic…
Cryogenic in-memory computing using magnetic topological insulators
Yuting Liu, Albert Lee, Kun Qian +17
Machine learning algorithms have been proven effective for essential quantum computation tasks such as quantum error correction and quantum control. Efficient hardware implementati…
Chromium-Doped Bismuth Antimony Telluride for Future Quantum Hall Resistance Standards
Albert F. Rigosi Linsey K. Rodenbach, Alireza R. Panna, Shamith U. Payagala +10
Since 2017, epitaxial graphene has been the base material for the US national standard for resistance. A future avenue of research within electrical metrology is to remove the need…
Exchange-biased quantum anomalous Hall effect
Peng Zhang, Purnima P. Balakrishnan, Christopher Eckberg +12
The quantum anomalous Hall (QAH) effect is characterized by a dissipationless chiral edge state with a quantized Hall resistance at zero magnetic field. Manipulating the QAH state…
Mesoscopic Transport of Quantum Anomalous Hall Effect in Sub-Micron Size Regime
Gang Qiu, Peng Zhang, Peng Deng +4
The quantum anomalous Hall (QAH) effect has been demonstrated in two-dimensional topological insulator systems incorporated with ferromagnetism. However, a comprehensive understand…
Measured potential profile in a quantum anomalous Hall system suggests bulk-dominated current flow
Ilan T. Rosen, Molly P. Andersen, Linsey K. Rodenbach +5
Ideally, quantum anomalous Hall systems should display zero longitudinal resistance. Yet in experimental quantum anomalous Hall systems elevated temperature can make the longitudin…
Fractional AC Josephson effect in a topological insulator proximitized by a self-formed superconductor
Ilan T. Rosen, Christie J. Trimble, Molly P. Andersen +10
A lateral Josephson junction in which the surface of a 3D topological insulator serves as the weak link should support topologically protected excitations related to Majorana fermi…
Thickness-Driven Quantum Anomalous Hall Phase Transition in Magnetic Topological Insulator Thin Films
Yuchen Ji, Zheng Liu, Peng Zhang +9
The quantized version of anomalous Hall effect realized in magnetic topological insulators (MTIs) has great potential for the development of topological quantum physics and low-pow…
Bulk dissipation in the quantum anomalous Hall effect
Linsey K. Rodenbach, Ilan T. Rosen, Eli J. Fox +5
Even at the lowest accessible temperatures, measurements of the quantum anomalous Hall (QAH) effect have indicated the presence of parasitic dissipative conduction channels. There…
Distinguishing two-component anomalous Hall effect from topological Hall effect
Lixuan Tai, Bingqian Dai, Jie Li +14
In transport, the topological Hall effect (THE) presents itself as non-monotonic features (or humps and dips) in the Hall signal and is widely interpreted as a sign of chiral spin…
A Note on Half-quantized Conductance Plateau of Chiral Majorana in Quantum Anomalous Hall Insulator and Superconductor Structures
Peng Zhang, Lei Pan, Gen Yin +2
This is a short note presenting a repeated experiment of the half-quantized transport signature given by Majorana chiral modes living in a heterostructure formed by an s-wave super…
Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films
Qiming Shao, Chi Tang, Guoqiang Yu +19
Magnetic insulators (MIs) attract tremendous interest for spintronic applications due to low Gilbert damping and absence of Ohmic loss. Magnetic order of MIs can be manipulated and…