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Development of a transition edge sensor (TES) x-ray microcalorimeter toward exploring trace hydrated minerals in astromaterials

Research Project

Project/Area Number 20K14548
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 17010:Space and planetary sciences-related
Research InstitutionRikkyo University (2023)
High Energy Accelerator Research Organization (2022)
Japan Aerospace EXploration Agency (2020-2021)

Principal Investigator

Hayashi Tasuku  立教大学, 理学部, 助教 (00846842)

Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2022: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2021: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
KeywordsX線 / 極低温検出器 / 地球外物質 / 超伝導検出器 / 金メッキ / 地球外物質分析 / 走査透過型電子顕微鏡 / X線分光分析 / X線分光検出器 / TESカロリメータ / 極低温X線検出器 / STEM / TES / 透過型電子顕微鏡 / 超伝導遷移端型X線分光検出器 / エネルギー分散分光(EDS)
Outline of Research at the Start

太陽系形成過程の解明は、今日の地球の有機物や水がどのように来たかを解明する手がかりとなる。原始太陽系で生成され、惑星に取り込まれることなく星間空間に存在する地球外物質のみが、原始太陽系の状態や進化の過程を直接分析することを可能にする。「はやぶさ」に代表されるサンプルリターンにより、こうした重要な地球外物質の分析が可能となってきた。地球外物質は内部にサブマイクロスケールの微細構造を持ち、その分析方法の一つに高い空間分解能を持つ走査透過型電子顕微鏡とエネルギー分散型分析器(EDS)を組み合わせた、元素マッピングおよび定量分析がある。本研究では、EDSのための最新のTES型X線分光装置の開発を行う。

Outline of Final Research Achievements

In this research, we aim to improve the aperture ratio and effective area of the superconducting transition-edge sensor (TES) X-ray microcalorimeter without degrading its energy bandwidth and spectral performance, thereby enabling the analysis of extraterrestrial materials using TES-EDS. To achieve a significant improvement in the effective area, we adopted a mushroom-shaped absorber structure that protrudes to cover the wiring space, which is considered dead space. We introduced a plating environment that ensures high thermal conductivity and successfully manufactured the device for the first time in Japan. Operational verification at low temperatures demonstrated an energy resolution of approximately 10 eV, meeting the required energy resolution and marking significant progress toward the analysis of extraterrestrial materials.

Academic Significance and Societal Importance of the Research Achievements

本研究では、サブマイクロスケールでの地球外物質の定量分析を目指し、低温検出器システムの開発を行ってきた。従来の定量分析システムでは、エネルギー分解能が120 eVと近接する特性X線のピーク分離や微量な元素の検出が困難であり、定量分析の精度にも課題があった。本研究で開発するTES-EDSシステムでは、エネルギーを2桁以上向上可能であり、地球外物質の分析で重要となる微量分析も可能となり、学術的意義は大きい。さらに、この分析システム材料分析やバイオテクノロジーなどの幅広い分野への応用が期待されており、社会的意義も大きい。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (10 results)

All 2023 2022 2021 2020

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (8 results) (of which Int'l Joint Research: 5 results)

  • [Journal Article] Performance of TES X-Ray Microcalorimeters Designed for 14.4-keV Solar Axion Search2023

    • Author(s)
      Yagi Y.、Konno R.、Hayashi T.、Tanaka K.、Yamasaki N. Y.、Mitsuda K.、Sato R.、Saito M.、Homma T.、Nishida Y.、Mori S.、Iyomoto N.、Hara T.
    • Journal Title

      Journal of Low Temperature Physics

      Volume: - Issue: 5-6 Pages: 255-264

    • DOI

      10.1007/s10909-023-02942-w

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Fabrication of a 64-Pixel TES Microcalorimeter Array With Iron Absorbers Uniquely Designed for 14.4-keV Solar Axion Search2023

    • Author(s)
      Yagi Yuta、Hayashi Tasuku、Tanaka Keita、Miyagawa Rikuta、Ota Ryo、Yamasaki Noriko Y.、Mitsuda Kazuhisa、Yoshida Nao、Saito Mikiko、Homma Takayuki
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 33 Issue: 5 Pages: 1-5

    • DOI

      10.1109/tasc.2023.3254488

    • Related Report
      2022 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Design and development of a 224-pixel TES X-ray microcalorimeter system for microanalysis with STEM2023

    • Author(s)
      Tasuku Hayashi, Rikuta Miyagawa, Yuta Yagi, Keita Tanaka, Ryo Ota, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Keisuke Maehata and Toru Hara
    • Organizer
      The 20th International Conference on Low Temperature Detectors
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Evaluation and Experimental Setup of TES Microcalorimeter with Iron Absorber for Solar Axion Search2023

    • Author(s)
      Yuta Yagi, Keita Tanaka, Ryo Ota, Tasuku Hayashi, Noriko Y. Yamasaki, Kazuhisa Mitsuda, Mikiko Saito, and Takayuki Homma
    • Organizer
      The 20th International Conference on Low Temperature Detectors
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Development of a 240-pixel TES X-ray microcalorimeter array for STEM-EDS2022

    • Author(s)
      Tasuku Hayashi
    • Organizer
      Applied Superconductivity Conference 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] 精密X線分光分析に向けた大規模なTES型X線マイクロカロリメータシステムの開発2022

    • Author(s)
      林 佑
    • Organizer
      日本天文学会 2023年春季年会
    • Related Report
      2022 Research-status Report
  • [Presentation] A quantitative study in STEM-EDS with a broadband TES X-ray microcalorimeter toward astromaterials analysis2021

    • Author(s)
      Tasuku Hayashi
    • Organizer
      19th International Workshop on Low Temperature Detectors
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] 地球外物質分析のためのTES型X線マイクロ カロリメータを用いた定量分析手法の開発2021

    • Author(s)
      林佑
    • Organizer
      第82回 応用物理学会 秋季学術講演会 オンライン開催
    • Related Report
      2021 Research-status Report
  • [Presentation] A developments of 64-pixel TES on energy dispersive X-ray spectroscopy system for STEM2020

    • Author(s)
      Tasuku Hayashi
    • Organizer
      Applied Superconductivity Conference 2020
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] サブマイクロスケールでの地球外物質分析を目指した広帯域での検出効率 向上を可能とする TES 型 X 線マイクロカロリメータの開発2020

    • Author(s)
      林 佑
    • Organizer
      応用物理学会
    • Related Report
      2020 Research-status Report

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Published: 2020-04-28   Modified: 2025-01-30  

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