Development of a microcalorimeter with transition edge sensor for detection of LX rays emitted by transuranium elements

Keisuke Nakamura; Makoto Maeda; Takashi Yasumune; Keisuke Maehata; Kenji Ishibashi; Keiichi Tanaka; Takahiro Umeno; Koji Takasaki; Takumaro Momose

doi:10.1093/rpd/ncr118

Development of a microcalorimeter with transition edge sensor for detection of LX rays emitted by transuranium elements

Keisuke Nakamura, Makoto Maeda, Takashi Yasumune, Keisuke Maehata, Kenji Ishibashi, Keiichi Tanaka, Takahiro Umeno, Koji Takasaki, Takumaro Momose

Applied Nuclear Physics

Research output: Contribution to journal › Article › peer-review

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Abstract

A transition edge sensor (TES) microcalorimeter has been developed for use as an energy dispersive X-ray spectrometer. The TES microcalorimeter is a thermal detector that enables one to determine the energy of an incident photon by measuring the resultant increase in temperature. In this work, a Ti/Au TES microcalorimeter was developed to measure LX rays emitted by transuranium elements. The phase transition temperature was set at ~200 mK by using a bilayer structure composed of a 110-nm-thick Au layer and a 40-nm-thick Ti layer. An Au of 5 μm thickness was deposited on the Ti/Au bilayer to achieve an absorption efficiency of 35-80 % for the energy range of LX rays (10-25 keV). The developed TES microcalorimeter was irradiated with LX rays emitted by an ²⁴¹Am source at an operating temperature of 140 mK. An energy resolution of ~80 eV (full width at the half maximum) was obtained for L. _β1X ray of 17.75 keV.

Original language	English
Article number	ncr118
Pages (from-to)	88-91
Number of pages	4
Journal	Radiation Protection Dosimetry
Volume	146
Issue number	1-3
DOIs	https://doi.org/10.1093/rpd/ncr118
Publication status	Published - Jul 2011

All Science Journal Classification (ASJC) codes

Radiation
Radiological and Ultrasound Technology
Radiology Nuclear Medicine and imaging
Public Health, Environmental and Occupational Health

UN SDGs

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10.1093/rpd/ncr118

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title = "Development of a microcalorimeter with transition edge sensor for detection of LX rays emitted by transuranium elements",

abstract = "A transition edge sensor (TES) microcalorimeter has been developed for use as an energy dispersive X-ray spectrometer. The TES microcalorimeter is a thermal detector that enables one to determine the energy of an incident photon by measuring the resultant increase in temperature. In this work, a Ti/Au TES microcalorimeter was developed to measure LX rays emitted by transuranium elements. The phase transition temperature was set at ~200 mK by using a bilayer structure composed of a 110-nm-thick Au layer and a 40-nm-thick Ti layer. An Au of 5 μm thickness was deposited on the Ti/Au bilayer to achieve an absorption efficiency of 35-80 % for the energy range of LX rays (10-25 keV). The developed TES microcalorimeter was irradiated with LX rays emitted by an 241Am source at an operating temperature of 140 mK. An energy resolution of ~80 eV (full width at the half maximum) was obtained for L. β1X ray of 17.75 keV.",

author = "Keisuke Nakamura and Makoto Maeda and Takashi Yasumune and Keisuke Maehata and Kenji Ishibashi and Keiichi Tanaka and Takahiro Umeno and Koji Takasaki and Takumaro Momose",

note = "Funding Information: Keisuke Nakamura1,*, Makoto Maeda2, Takashi Yasumune2, Keisuke Maehata2, Kenji Ishibashi2, Keiichi Tanaka3, Takahiro Umeno4, Koji Takasaki1 and Takumaro Momose1 1Nuclear Fuel Cycle Engineering Laboratories, Tokai Research and Development Center, Japan Atomic Energy Agency, 4-33 Muramatsu, Tokai-mura, Naka-gun, Ibaraki 319-1194, Japan 2Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan 3SII NanoTechnology, Inc., 36-1 Takenoshita, Oyama-cho, Suntou-gun, Shizuoka 410-1393, Japan 4Taiyo Nippon Sanso Co., 10 Okubo, Tsukuba-shi, Ibaraki 300-2611, Japan",

year = "2011",

month = jul,

doi = "10.1093/rpd/ncr118",

language = "English",

volume = "146",

pages = "88--91",

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AU - Nakamura, Keisuke

AU - Maeda, Makoto

AU - Yasumune, Takashi

AU - Maehata, Keisuke

AU - Ishibashi, Kenji

AU - Tanaka, Keiichi

AU - Umeno, Takahiro

AU - Takasaki, Koji

AU - Momose, Takumaro

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N2 - A transition edge sensor (TES) microcalorimeter has been developed for use as an energy dispersive X-ray spectrometer. The TES microcalorimeter is a thermal detector that enables one to determine the energy of an incident photon by measuring the resultant increase in temperature. In this work, a Ti/Au TES microcalorimeter was developed to measure LX rays emitted by transuranium elements. The phase transition temperature was set at ~200 mK by using a bilayer structure composed of a 110-nm-thick Au layer and a 40-nm-thick Ti layer. An Au of 5 μm thickness was deposited on the Ti/Au bilayer to achieve an absorption efficiency of 35-80 % for the energy range of LX rays (10-25 keV). The developed TES microcalorimeter was irradiated with LX rays emitted by an 241Am source at an operating temperature of 140 mK. An energy resolution of ~80 eV (full width at the half maximum) was obtained for L. β1X ray of 17.75 keV.

AB - A transition edge sensor (TES) microcalorimeter has been developed for use as an energy dispersive X-ray spectrometer. The TES microcalorimeter is a thermal detector that enables one to determine the energy of an incident photon by measuring the resultant increase in temperature. In this work, a Ti/Au TES microcalorimeter was developed to measure LX rays emitted by transuranium elements. The phase transition temperature was set at ~200 mK by using a bilayer structure composed of a 110-nm-thick Au layer and a 40-nm-thick Ti layer. An Au of 5 μm thickness was deposited on the Ti/Au bilayer to achieve an absorption efficiency of 35-80 % for the energy range of LX rays (10-25 keV). The developed TES microcalorimeter was irradiated with LX rays emitted by an 241Am source at an operating temperature of 140 mK. An energy resolution of ~80 eV (full width at the half maximum) was obtained for L. β1X ray of 17.75 keV.

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ER -

Development of a microcalorimeter with transition edge sensor for detection of LX rays emitted by transuranium elements

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