628 citations · 3k across the 31 of their papers we have counts for
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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…
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…
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…
Stability of Time-Reversal Symmetry Protected Topological Phases
Tian-Shu Deng, Lei Pan, Yu Chen +1
In a closed system, it is well known that the time-reversal symmetry can lead to Kramers degeneracy and protect nontrivial topological states such as quantum spin Hall insulator. I…
Part-per-million quantization and current-induced breakdown of the quantum anomalous Hall effect
E. J. Fox, I. T. Rosen, Yanfei Yang +6
In the quantum anomalous Hall effect, quantized Hall resistance and vanishing longitudinal resistivity are predicted to result from the presence of dissipationless, chiral edge sta…
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…
Chiral transport along magnetic domain walls in the quantum anomalous Hall effect
I. T. Rosen, E. J. Fox, Xufeng Kou +3
The recent prediction, and subsequent discovery, of the quantum anomalous Hall (QAH) effect in thin films of the three-dimensional ferromagnetic topological insulator (MTI) (Cr…
Zero-field Edge Magnetoplasmons in a Magnetic Topological Insulator
A. C. Mahoney, J. I. Colless, L. Peeters +7
Incorporating ferromagnetic dopants, such as chromium or vanadium, into thin films of the three-dimensional (3D) topological insulator (TI) (Bi,Sb)2Te3 has recently led to the real…
Topological transitions induced by antiferromagnetism in a thin-film topological insulator
Qing Lin He, Gen Yin, Luyan Yu +14
Ferromagnetism in topological insulators (TIs) opens a topologically non-trivial exchange band gap, providing an exciting platform to manipulate the topological order through an ex…
Resonant magneto-optic Kerr effect in the magnetic topological insulator Cr:(Sb,Bi)Te
Shreyas Patankar, J. P. Hinton, Joel Griesmar +10
We report measurements of the polar Kerr effect, proportional to the out-of-plane component of the magnetization, in thin films of the magnetically doped topological insulator $(\t…
Metal-to-Insulator Switching in Quantum Anomalous Hall States
Xufeng Kou, Lei Pan, Jing Wang +8
After decades of searching for the dissipationless transport in the absence of any external magnetic field, quantum anomalous Hall effect (QAHE) was recently achieved in magnetic t…
Precise quantization of anomalous Hall effect near zero magnetic field
A. J. Bestwick, E. J. Fox, Xufeng Kou +3
We report a nearly ideal quantum anomalous Hall effect in a three-dimensional topological insulator thin film with ferromagnetic doping. Near zero applied magnetic field we measure…
Scale-Invariant Dissipationless Chiral Transport in Magnetic Topological Insulators beyond the Two-Dimensional Limit
Xufeng Kou, Shih-Ting Guo, Yabin Fan +12
We investigate the quantum anomalous Hall Effect (QAHE) and related chiral transport in the millimeter-size (Cr0.12Bi0.26Sb0.62)2Te3 films. With high sample quality and robust magn…