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2020 Fiscal Year Final Research Report

Laser-soft x-rays combined analysis of optically trapped aqueous droplet

Research Project

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Project/Area Number 19K22195
Research Category

Grant-in-Aid for Challenging Research (Exploratory)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 34:Inorganic/coordination chemistry, analytical chemistry, and related fields
Research InstitutionTohoku University

Principal Investigator

Hibara Akihide  東北大学, 多元物質科学研究所, 教授 (30312995)

Co-Investigator(Kenkyū-buntansha) 原田 慈久  東京大学, 物性研究所, 教授 (70333317)
Project Period (FY) 2019-06-28 – 2021-03-31
Keywordsレーザー分光 / 光散乱 / 光トラップ
Outline of Final Research Achievements

In this project, a table-top quasi-elastic laser scattering apparatus was developed. The table-top apparatus had a sufficient ability to measure a gas-liquid interface, whose characteristics were comparable to that utilizing a lab-scale laser system. Furthermore, to analyze microscale bubble surface, a microdevice fabrication method for stable bubble formation was demonstrated. Next, an optical trapping method of the bubble was developed. Then, a quasi-elastic laser scattering measurement was demonstrated for the first time.

Free Research Field

分析化学

Academic Significance and Societal Importance of the Research Achievements

テーブルトップ型準弾性レーザー散乱装置の開発および気泡表面張力の測定は、物理化学・分析化学において過去に例のない研究であり、複合計測における実験技術の実証および、気液界面計測の新しい手法として有意義な結果が得られた。今後この研究が発展することにより、応用研究が進んでいるナノバブル表面の基礎科学解明が進むと期待される。この基礎過程解明は、半導体加工の洗浄過程やナノバブルの生態影響などの応用分野の発展にも寄与すると期待できる。

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Published: 2022-01-27  

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