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Nanoelectronic primary thermometry below 4 millikelvin

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Nanoelectronic primary thermometry below 4 millikelvin. / Sarsby, Matthew; Haley, Richard; Bradley, David Ian et al.
In: APS March Meeting 2016, 2016.

Research output: Contribution to Journal/MagazineMeeting abstract

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@article{8f76270621b24a2784a7e2d71d0d3a1e,
title = "Nanoelectronic primary thermometry below 4 millikelvin",
abstract = "We present measurements of nanoelectronic Coulomb Blockade Thermometers that are optimised for operation below 10 mK. Their design incorporates on-chip electronic filters and cooling fins with a high electron-phonon coupling. By immersing the devices in the 3He/4He mixture of a dilution refrigerator, and by minimising electrical noise in the measurement circuit, the on-chip electron temperature reaches a value of 3.7 mK, the lowest yet measured in any nanoelectronic device. Above 7 mK the devices are in good thermal contact with their environment and are not susceptible to self-heating. Below 7 mK the device continues to provide accurate thermometry of the on-chip electron temperature, which is seen to diverge from the ambient temperature. In this regime the device provides valuable information about noise and heat-leaks from the environment, which points the way towards cooling nanoelectronic structures to lower temperatures.",
author = "Matthew Sarsby and Richard Haley and Bradley, {David Ian} and Richard George and Yuri Pashkin and Jonathan Prance and David Gunnarsson and Hannele Heikkinen and Mika Prunnila and Penttil{\"a} Jari and Leif Roschier",
year = "2016",
language = "English",
journal = "APS March Meeting 2016",

}

RIS

TY - JOUR

T1 - Nanoelectronic primary thermometry below 4 millikelvin

AU - Sarsby, Matthew

AU - Haley, Richard

AU - Bradley, David Ian

AU - George, Richard

AU - Pashkin, Yuri

AU - Prance, Jonathan

AU - Gunnarsson, David

AU - Heikkinen, Hannele

AU - Prunnila, Mika

AU - Jari, Penttilä

AU - Roschier, Leif

PY - 2016

Y1 - 2016

N2 - We present measurements of nanoelectronic Coulomb Blockade Thermometers that are optimised for operation below 10 mK. Their design incorporates on-chip electronic filters and cooling fins with a high electron-phonon coupling. By immersing the devices in the 3He/4He mixture of a dilution refrigerator, and by minimising electrical noise in the measurement circuit, the on-chip electron temperature reaches a value of 3.7 mK, the lowest yet measured in any nanoelectronic device. Above 7 mK the devices are in good thermal contact with their environment and are not susceptible to self-heating. Below 7 mK the device continues to provide accurate thermometry of the on-chip electron temperature, which is seen to diverge from the ambient temperature. In this regime the device provides valuable information about noise and heat-leaks from the environment, which points the way towards cooling nanoelectronic structures to lower temperatures.

AB - We present measurements of nanoelectronic Coulomb Blockade Thermometers that are optimised for operation below 10 mK. Their design incorporates on-chip electronic filters and cooling fins with a high electron-phonon coupling. By immersing the devices in the 3He/4He mixture of a dilution refrigerator, and by minimising electrical noise in the measurement circuit, the on-chip electron temperature reaches a value of 3.7 mK, the lowest yet measured in any nanoelectronic device. Above 7 mK the devices are in good thermal contact with their environment and are not susceptible to self-heating. Below 7 mK the device continues to provide accurate thermometry of the on-chip electron temperature, which is seen to diverge from the ambient temperature. In this regime the device provides valuable information about noise and heat-leaks from the environment, which points the way towards cooling nanoelectronic structures to lower temperatures.

M3 - Meeting abstract

JO - APS March Meeting 2016

JF - APS March Meeting 2016

ER -