Characteristics of fabricated si PIN-type radiation detectors on cooling temperature

Han Soo Kim, Manhee Jeong, Young Soo Kim, Dong Hun Lee, Seungyeon Cho, Jang Ho Ha

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Si PIN photodiode radiation detectors with three different active areas (3×3 mm2, 5×5 mm2, and 10×10 mm2) were designed and fabricated at the Korea Atomic Energy Research Institute (KAERI) for low energy X- and gamma-ray detection. In Si-based semiconductor radiation detectors, one of the noise sources is thermal noise, which degrades their energy resolution performance. In this study, the temperature effects on the energy resolution were investigated using a 3×3 mm2 active area PIN photodiode radiation detector using a Thermoelectric Module (TEM) from room temperature to -23°C. Energy resolutions from 25 keV auger electrons to 81 keV gamma-ray from a Ba-133 calibration source were measured and compared at every 10°C interval. At -23°C, energy resolutions were improved by 15.6% at 25 keV, 4.0% at 31 keV, and 1.2% at 81 keV in comparison with resolutions at room temperature. CsI(Tl)/PIN photodiode radiation detectors were also fabricated for relatively high energy gamma-ray detection. Energy resolutions for Cs-137, Co-60, and Na-22 sources were measured and compared with the spectral responsivity.

Original languageEnglish
Pages (from-to)131-134
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume784
DOIs
Publication statusPublished - 2015 Jun 1

Fingerprint

Radiation detectors
radiation detectors
Photodiodes
Gamma rays
Cooling
cooling
photodiodes
Semiconductor detectors
Temperature
gamma rays
Thermal noise
temperature
energy
Nuclear energy
Thermal effects
Calibration
Korea
X rays
thermal noise
room temperature

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Instrumentation

Cite this

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title = "Characteristics of fabricated si PIN-type radiation detectors on cooling temperature",
abstract = "Si PIN photodiode radiation detectors with three different active areas (3×3 mm2, 5×5 mm2, and 10×10 mm2) were designed and fabricated at the Korea Atomic Energy Research Institute (KAERI) for low energy X- and gamma-ray detection. In Si-based semiconductor radiation detectors, one of the noise sources is thermal noise, which degrades their energy resolution performance. In this study, the temperature effects on the energy resolution were investigated using a 3×3 mm2 active area PIN photodiode radiation detector using a Thermoelectric Module (TEM) from room temperature to -23°C. Energy resolutions from 25 keV auger electrons to 81 keV gamma-ray from a Ba-133 calibration source were measured and compared at every 10°C interval. At -23°C, energy resolutions were improved by 15.6{\%} at 25 keV, 4.0{\%} at 31 keV, and 1.2{\%} at 81 keV in comparison with resolutions at room temperature. CsI(Tl)/PIN photodiode radiation detectors were also fabricated for relatively high energy gamma-ray detection. Energy resolutions for Cs-137, Co-60, and Na-22 sources were measured and compared with the spectral responsivity.",
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Characteristics of fabricated si PIN-type radiation detectors on cooling temperature. / Kim, Han Soo; Jeong, Manhee; Kim, Young Soo; Lee, Dong Hun; Cho, Seungyeon; Ha, Jang Ho.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 784, 01.06.2015, p. 131-134.

Research output: Contribution to journalArticle

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AU - Kim, Young Soo

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AU - Ha, Jang Ho

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