Dielectric microcalorimeter utilizing a quantum ferroelectric thermometer

Shota Yoshimoto, Keisuke Maehata, Naoko Iyomoto, Mitsuda Kazuhisa, Yamasaki Noriko

研究成果: ジャーナルへの寄稿記事

2 引用 (Scopus)

抄録

A dielectric capacitance thermometer was fabricated using KTa0.99Nb0.01O3 (KTN) quantum ferroelectrics. The electric capacitance of the KTN thermometer was measured as a function of temperature from 0.1 to 300 K using the four-terminal-pair method. The KTN thermometer exhibited a dependence of the electric capacitance on the temperature that showed promise for using the thermometer as a microcalorimeter. A prototype of the dielectric microcalorimeter (DMC) was assembled with the KTN thermometer and irradiated with alpha rays with an energy of 5.5 MeV at a temperature of 100 mK. When applying a DC bias voltage to the DMC, the detection signals could be observed at the output of the preamplifier. A response of the DMC to alpha rays was obtained despite the poor signal-to-noise ratio caused by long wirings for the detection signal readout inside the refrigerator.

元の言語英語
ページ(範囲)868-873
ページ数6
ジャーナルjournal of nuclear science and technology
55
発行部数8
DOI
出版物ステータス出版済み - 8 3 2018

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Thermometers
thermometers
Ferroelectric materials
calorimeters
Alpha particles
Capacitance
capacitance
signal detection
Signal detection
rays
wiring
Refrigerators
preamplifiers
refrigerators
Electric wiring
Bias voltage
Temperature
temperature
readout
Signal to noise ratio

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

これを引用

Dielectric microcalorimeter utilizing a quantum ferroelectric thermometer. / Yoshimoto, Shota; Maehata, Keisuke; Iyomoto, Naoko; Kazuhisa, Mitsuda; Noriko, Yamasaki.

:: journal of nuclear science and technology, 巻 55, 番号 8, 03.08.2018, p. 868-873.

研究成果: ジャーナルへの寄稿記事

Yoshimoto, Shota ; Maehata, Keisuke ; Iyomoto, Naoko ; Kazuhisa, Mitsuda ; Noriko, Yamasaki. / Dielectric microcalorimeter utilizing a quantum ferroelectric thermometer. :: journal of nuclear science and technology. 2018 ; 巻 55, 番号 8. pp. 868-873.
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