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Control of grain structure in metal thin films by microwave rapid annealing with imposition of static magnetic field

Research Project

Project/Area Number 16K14433
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Material processing/Microstructural control engineering
Research InstitutionTohoku University

Principal Investigator

Yoshikawa Noboru  東北大学, 環境科学研究科, 准教授 (70166924)

Co-Investigator(Kenkyū-buntansha) Komarov Sergey  東北大学, 環境科学研究科, 教授 (20252257)
Project Period (FY) 2016-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Keywordsマイクロ波 / 金属薄膜 / ラピッドアニール / 磁場印加 / 表面平坦性 / 平坦性 / 結晶粒成長 / 表面拡散 / アニール / 結晶粒
Outline of Final Research Achievements

Au films were deposited on SiO2 substrate (the microwave heating of which can be ignored) by sputtering with thickness of several 10~ 100nm. Then post annealing was performed with 5.8GHz single mode microwave applicator. And imposition of static magnetic field was performed, simultaneously. Nano structure observation by means of AFM and spectrum analysis of the film roughness wave number were conducted. It was shown that grain growth of bump crystals was sustained by the field imposition, and it is effective for improving the flatness of the film.

Academic Significance and Societal Importance of the Research Achievements

本研究は、金属薄膜の有効なマイクロ波吸収特性を利用して、短時間で金属薄膜のポストアニールを行う手法とそのプロセスにおける静磁場印加効果を調べることができた。また、本研究においては、膜平坦性を、膜厚プロファイルの波数スペクトルを取るという手法を用いて、定量的に解析することができた。本研究は、マイクロ波を援用した機能材料プロセッシングの1つとして、新規な方法を提案、実証することができ、プロセスの短時間、省エネルギー化に貢献できると考えられる。

Report

(5 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (7 results)

All 2019 2018 2016

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (4 results) (of which Int'l Joint Research: 1 results) Funded Workshop (1 results)

  • [Journal Article] Microwave Processing of Metallic materials2018

    • Author(s)
      Noboru Yoshikawa
    • Journal Title

      IOP Conference Series: Materials Science and Engineering

      Volume: 424 Pages: 012041-012041

    • DOI

      10.1088/1757-899x/424/1/012041

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Permittivity and Electric Conductivity Measurement and Microwave Heating Behavior of Mo/Cordierite Composite Materials2018

    • Author(s)
      N.Yoshikawa, N.Inoue, T.Watanabe, S.Komarov
    • Journal Title

      Proceedings of 2018 Asia-Pacific Microwave Conference, Xplore IEEE

      Volume: FR1-103-1 Pages: 1136-1138

    • Related Report
      2018 Research-status Report
  • [Presentation] マイクロ波ポストアニールにおける金属薄膜の組織変化2019

    • Author(s)
      吉川昇、五十嵐健、田口洋行、永田彩花、コマロフ セルゲイ
    • Organizer
      日本電磁波エネルギー応用学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 金属薄膜のマイクロ波加熱による膜組織変化2018

    • Author(s)
      吉川昇、五十嵐健、田口洋行、永田彩花、セルゲイコマロフ
    • Organizer
      日本鉄鋼協会
    • Related Report
      2018 Research-status Report
  • [Presentation] 金属薄膜のマイクロ波ラピッドアニーリングによる組織変化2018

    • Author(s)
      吉川昇、五十嵐健、田口洋行、永田彩花、セルゲイコマロフ
    • Organizer
      日本電磁波エネルギー応用学会
    • Related Report
      2018 Research-status Report
  • [Presentation] Microwave Application to Annealing of Metal Thin Films.2016

    • Author(s)
      Noboru Yoshikawa, Ayaka Nagata, Hiroyuki Taguchi and Sergey Komarov
    • Organizer
      3rd Global Congress on Microwave Energy Application (3GCMEA)
    • Place of Presentation
      スペイン、カルタヘナ
    • Year and Date
      2016-07-25
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Funded Workshop] 3GCMEA (3rd Global Congress on Microwave Energy Applications)2016

    • Place of Presentation
      Cartagena
    • Year and Date
      2016-07-25
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2021-02-19  

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