53 citations · 150 across the 17 of their papers we have counts for
17 papers
Non-Hermitian topological devices with Chern insulators
Kyrylo Ochkan, Michael Wissmann, Louis Veyrat +9
Multi-terminal topological devices are a new generation of electronic devices with quantized properties robust against imperfections. In magnetic topological insulators, dissipatio…
Differentiating anomalous and topological Hall effects using first-order reversal curve measurements
Gregory M. Stephen, Ryan T. Van Haren, Vinay Sharma +6
Next generation magnetic memories rely on novel magnetic phases for information storage. Novel spin textures such as skyrmions provide one possible avenue forward due to their topo…
Ultrafast dynamics of wavelength-sensitive magnons in unconventional compensated semiconducting antiferromagnet
Hanshen Huang, Tao Qu, Yang Cheng +12
Antiferromagnet is a promising candidate for the next generation spintronic devices, benefiting from its ultrafast dynamics and spontaneous zero stray field. However, the understan…
Unraveling the nature of quasi van der Waals Epitaxy of magnetic topological insulators Cr: (BixSb1-x)2Te3 on a GaAs (111) substrate through coherently strained interface
Yuxing Ren, Lixuan Tai, Kaicheng Pan +14
Quasi van der Waals Epitaxy (qvdWE) has been realized for decades at the interfaces between 3D and 2D materials or van der Waals materials. The growth of magnetic topological insul…
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…
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…
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…
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…
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…