A mesoscopic metallic island in the quantum Hall regime exhibits a two-step thermalization process driven by fast electronic channels and slower coupling to phonons and nuclear spins.
The 2DEG mesa is delimited by a wet etching approximately 100 nm deep with a H 3PO4/H2O2/H2O solution
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Heating Dynamics of Mesoscopic Electron Baths at High Magnetic Field
A mesoscopic metallic island in the quantum Hall regime exhibits a two-step thermalization process driven by fast electronic channels and slower coupling to phonons and nuclear spins.