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Universal Conductance Fluctuations in Quantum Anomalous Hall Insulators

open access: yesAdvanced Materials, EarlyView.
Universal conductance fluctuations are observed in mesoscopic quantum anomalous Hall insulators. Two distinct fluctuation patterns are identified, arising from different interference processes of bulk and chiral edge states, respectively. These findings unveil rich quantum interference phenomena in quantum anomalous Hall insulators and provide insights
Peng Deng   +11 more
wiley   +1 more source

Domain inversion in LiTaO3by electron beam

Applied Physics Letters, 1992
Domain inversion in Z-cut LiTaO3 by injecting electrons into negative C face was observed but no domain inversion was observed on injecting electrons on positive C face. At low electron-beam currents, small multidomains are observed. At a scan rate of 2 μm/s and beam current of 100 pA, a domain width of about 6 μm was obtained.
Gupta Mool C
exaly   +2 more sources

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