Progress in cooling nanoelectronic devices to ultra-low temperatures
AT Jones, CP Scheller, JR Prance, YB Kalyoncu… - Journal of low …, 2020 - Springer
Here we review recent progress in cooling micro-/nanoelectronic devices significantly below
10 mK. A number of groups worldwide are working to produce sub-millikelvin on-chip …
10 mK. A number of groups worldwide are working to produce sub-millikelvin on-chip …
Hyperfine-phonon spin relaxation in a single-electron GaAs quantum dot
Understanding and control of the spin relaxation time T 1 is among the key challenges for
spin-based qubits. A larger T 1 is generally favored, setting the fundamental upper limit to …
spin-based qubits. A larger T 1 is generally favored, setting the fundamental upper limit to …
Tunnel-junction thermometry down to millikelvin temperatures
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 …
mK. It is based on transport through a single normal-metal–superconductor tunnel junction …
Possible evidence for helical nuclear spin order in gaas quantum wires
We present transport measurements of cleaved edge overgrowth GaAs quantum wires. The
conductance of the first mode reaches 2 e 2/h at high temperatures T≳ 10 K, as expected. As …
conductance of the first mode reaches 2 e 2/h at high temperatures T≳ 10 K, as expected. As …
GaAs quantum dot thermometry using direct transport and charge sensing
D Maradan, L Casparis, TM Liu, DEF Biesinger… - Journal of low …, 2014 - Springer
We present measurements of the electron temperature using gate-defined quantum dots
formed in a GaAs 2D electron gas in both direct transport and charge sensing mode. Decent …
formed in a GaAs 2D electron gas in both direct transport and charge sensing mode. Decent …
Primary thermometry triad at 6 mK in mesoscopic circuits
Quantum physics emerge and develop as temperature is reduced. Although mesoscopic
electrical circuits constitute an outstanding platform to explore quantum behaviour, the …
electrical circuits constitute an outstanding platform to explore quantum behaviour, the …
[HTML][HTML] Silver-epoxy microwave filters and thermalizers for millikelvin experiments
CP Scheller, S Heizmann, K Bedner, D Giss… - Applied physics …, 2014 - pubs.aip.org
We present silver-epoxy filters combining excellent microwave attenuation with efficient wire
thermalization, suitable for low temperature quantum transport experiments. Upon …
thermalization, suitable for low temperature quantum transport experiments. Upon …
Nanoelectronic primary thermometry below 4 mK
DI Bradley, RE George, D Gunnarsson… - Nature …, 2016 - nature.com
Cooling nanoelectronic structures to millikelvin temperatures presents extreme challenges
in maintaining thermal contact between the electrons in the device and an external cold …
in maintaining thermal contact between the electrons in the device and an external cold …
On-and-off chip cooling of a Coulomb blockade thermometer down to 2.8 mK
M Palma, CP Scheller, D Maradan… - Applied Physics …, 2017 - pubs.aip.org
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 …
conductivities become very small, thus creating a pronounced sensitivity to heat leaks. Here …
Quantum-Dot-Based Thermometry Using 12-nm FinFET and Machine Learning Models
In this work, we demonstrate the use of a bulk FinFET designed in a 12-nm CMOS
technology node, as a quantum dot (QD)-based thermometer at cryogenic temperatures …
technology node, as a quantum dot (QD)-based thermometer at cryogenic temperatures …