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2017 Fiscal Year Final Research Report

Optical control of asymmetry in inorganic solids with angular-momentum transfer

Research Project

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Project/Area Number 15H03680
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics I
Research InstitutionInstitute of Physical and Chemical Research

Principal Investigator

OHSUMI Hiroyuki  国立研究開発法人理化学研究所, 放射光科学総合研究センター, 専任研究員 (90360825)

Co-Investigator(Kenkyū-buntansha) 高阪 勇輔  岡山大学, 異分野基礎科学研究所, 特任助教 (60406832)
Project Period (FY) 2015-04-01 – 2018-03-31
Keywords不斉制御 / 結晶成長 / X線回折 / 走査型顕微鏡 / ラゲール・ガウスビーム / カイラリティドメイン
Outline of Final Research Achievements

The aim of this study is to investigate irradiation effects of Laguerre-Gauss beams on chiral inorganic solids using a synchrotron radiation X-ray scanning microscope. The observation technique of chirality domain structures has been improved to cover all the Sohncke groups. Laser beam irradiation conditions for melting and solidification have been specified for the B20-type chiral compound Fe1-xCoxSi. In addition, we have succeeded in visualizing asymmetric changes induced by optical angular-momentum transfer.

Free Research Field

物質構造科学

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Published: 2019-03-29  

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