Heat Dissipation Mechanisms in Hybrid Superconductor–Semiconductor Devices Revealed by Joule Spectroscopy
Ángel Ibabe,
Gorm O. Steffensen,
Ignacio Casal
et al.
Abstract:Understanding heating and cooling mechanisms in mesoscopic
superconductor–semiconductor
devices is crucial for their application in quantum technologies.
Owing to their poor thermal conductivity, heating effects can drive
superconducting-to-normal transitions even at low bias, observed as
sharp conductance dips through the loss of Andreev excess currents.
Tracking such dips across magnetic field, cryostat temperature, and
applied microwave power allows us to uncover cooling bottlenecks in
different parts of a … Show more
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