Quantum anomalous hall effect 2013
WebSep 26, 2024 · The system thus exhibits the anomalous quantum Hall effect associated with the nontrivial geometric phase, which is presumably tunable through the choice of … WebApr 19, 2016 · The quantum anomalous Hall effect (QAHE) is a quantized Hall effect that occurs at zero magnetic field. Its mechanism and properties are different from those of conventional quantum Hall effects ...
Quantum anomalous hall effect 2013
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WebMar 14, 2013 · The quantum Hall effect (QHE), a quantized version of the Hall effect (), was observed in two-dimensional (2D) electron systems more than 30 years ago (2, 3).In QHE, … WebThe quantum anomalous Hall effect is defined as a quantized Hall effect realized in a system without an external magnetic field. The quantum anomalous Hall effect is a novel manifestation of topological structure in many-electron systems and may have potential applications in future electronic devices. In recent years, the quantum anomalous Hall …
WebQuantum Anomalous Hall Effect in a Magnetic Topological Insulator Cui-Zu Chang, 1,2* Jinsong Zhang,1* Xiao Feng, * Jie Shen,2* Zuocheng Zhang,1 Minghua Guo,1 Kang Li, … WebThe quantized version of the anomalous Hall effect has been predicted to occur in magnetic topological insulators, but the experimental realization has been challenging. Here, we report the observation of the quantum anomalous Hall (QAH) effect in thin films of chromium-doped (Bi,Sb)2Te3, a magnetic topological insulator. At zero …
WebApr 11, 2024 · A quantum anomalous Hall (QAH) state is a two-dimensional topological insulating state that has a quantized Hall resistance of h/(Ce²) and vanishing longitudinal … WebApr 30, 2024 · The QHE induced by spontaneous magnetization in such insulators is called quantum anomalous Hall effect (QAHE), ... In 2013, the QAHE with quantized Hall conductance of e 2 /h was experimentally observed in thin films of chromium-doped (Bi, Sb) 2 Te 3 with the temperature down to 30 mK .
WebMar 30, 2024 · In 2013, it led to the first experimental realization 15 of the quantum anomalous Hall effect, a quantum Hall effect due to ferromagnetism and not to external magnetic fields.
WebThe quantized version of the anomalous Hall effect has been predicted to occur in magnetic topological insulators, but the experimental realization has been challenging. Here, we … raytheon weather radarWebApr 19, 2016 · Abstract. In this chapter, we report the observation of the quantum anomalous Hall effect (QAHE) in Cr-doped (Bi,Sb) 2 Te 3 TI thin films grown by MBE method. At zero magnetic field and ultralow temperature (30 mK), the gate-tuned anomalous Hall resistance reaches the predicted quantized value of h / e 2, accompanied by a … simply mustardWebMay 6, 2013 · The quantum anomalous Hall effect (QAHE) is a fundamental transport phenomenon in the field of condensed-matter physics. Without an external magnetic field, … raytheon weapons systemsWebMar 17, 2024 · Elevating the temperature needed to realize the quantum anomalous Hall effect (QAHE) to above 77 K or higher is the key to practical applications of the effect as well as many others based on it. Here, we briefly review the recent progresses, especially the experimental ones, on searching for magnetic topological insulators that can exhibit the ... simply my homeWebAbout. Condensed-matter physicist and Software Engineer. My research interests in condensed matter physics includes: ♦ Magneto-transport in topological insulator structures; quantum interference ... simply my medicare cash cardWeb950. 475. 1425. 2011 2012 2014. Cui-Zu Chang. Henry W. Knerr Early Career Professor and Associate Professor of Physics, Penn State. Verified email at psu.edu - Homepage. Quantum anomalous Hall effect Topological insulator Interfacial superconductor Spin-triplet superconductor. raytheon webauthWebApr 14, 2024 · Magnetic two-dimensional (2D) topological insulators with spontaneous magnetization have been predicted to host quantum anomalous Hall effects (QAHEs). For organic topological insulators, the QAHE only exists in honeycomb or Kagome organometallic lattices based on theoretical calculations. Recently, coloring-triangle (CT) … raytheon waterloo ontario