M. Meschke
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View article: On-and-off chip cooling of a Coulomb blockade thermometer down to 2.8 mK
On-and-off chip cooling of a Coulomb blockade thermometer down to 2.8 mK Open
Cooling nanoelectronic devices below 10 mK is a great challenge since thermal conductivities become very small, thus creating a pronounced sensitivity to heat leaks. Here, we overcome these difficulties by using adiabatic demagnetization o…
View article: Hybrid single-electron turnstiles with thick superconducting electrodes for improved quasiparticle relaxation
Hybrid single-electron turnstiles with thick superconducting electrodes for improved quasiparticle relaxation Open
We demonstrate shadow evaporation-based fabrication of high-quality ultrasmall normal metal -- insulator -- superconductor tunnel junctions where the thickness of the superconducting electrode is not limited by the requirement of small jun…
View article: Thermal Conductance of a Single-Electron Transistor
Thermal Conductance of a Single-Electron Transistor Open
We report on combined measurements of heat and charge transport through a single-electron transistor. The device acts as a heat switch actuated by the voltage applied on the gate. The Wiedemann-Franz law for the ratio of heat and charge co…
View article: Accurate Coulomb blockade thermometry up to 60 kelvin
Accurate Coulomb blockade thermometry up to 60 kelvin Open
We demonstrate experimentally a precise realization of Coulomb blockade thermometry working at temperatures up to 60 K. Advances in nano-fabrication methods using electron beam lithography allow us to fabricate uniform arrays of sufficient…
View article: Tunnel-Junction Thermometry Down to Millikelvin Temperatures
Tunnel-Junction Thermometry Down to Millikelvin Temperatures Open
We present a simple on-chip electronic thermometer with the potential to operate down to 1 mK. It is based on transport through a single normal-metal - superconductor tunnel junction with rapidly widening leads. The current through the jun…
View article: Manipulation of quasiparticle trapping and electron cooling in Meissner and vortex states of mesoscopic superconductors
Manipulation of quasiparticle trapping and electron cooling in Meissner and vortex states of mesoscopic superconductors Open
Nowadays superconductors serve in numerous applications, from high-field magnets to ultra-sensitive detectors of radiation. Mesoscopic superconducting devices, i.e. those with nanoscale dimensions, are in a special position as they are eas…