Tunable quantum anomalous Hall effect in van der Waals heterostructures

Tunable quantum anomalous Hall effect in van der Waals heterostructures

(a) Crystal structure of Bi/MnBi2tellurium4 vdW heterostructure. (b) Schematic illustration of controllable magnetism and topological phase transitions in materials. Magnetization direction (MI: i = x, y, z; red arrow) can …

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Balanced quantum Hall resistance offers a new way to measure

Balanced quantum Hall resistance offers a new way to measure

So far, the zero-field quantum anomalous Hall effect only occurs at very low currents. This device can change that. Photo credit: Kajetan Fijalkowski/JMU Researchers at the University of Würzburg have …

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Observation of giant non-reciprocal charge transport in quantum Hall states in topological insulators – Nature Materials

Observation of giant non-reciprocal charge transport in quantum Hall states in topological insulators - Nature Materials

Tokura, Y. & Nagaosa, N. Nonreciprocal responses of noncentrosymmetric quantum materials. Nat. comminicate. 93740 (2018). Article PubMed PubMed Central Google Scholar Ideue, T. and Iwasa, Y. Symmetry breaking and nonlinear …

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Town hall discusses tree compensation and reforestation

Town hall discusses tree compensation and reforestation

File photo Topics such as hazardous tree removal, reforestation efforts and their compensation, free firewood and new outreach efforts were discussed at the Hermit Peak/Calf Canyon Claims Office town hall …

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