2012 Fiscal Year Final Research Report
Exploitation of a chiral microscope
| Project/Area Number |
22241029
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nanomaterials/Nanobioscience
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| Research Institution | Institute for Molecular Science |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
NAKAGAWA Takeshi 分子科学研究所, 物質分子科学研究領域, 助教 (80353431)
TAKAGI Yasumasa 分子科学研究所, 物質分子科学研究領域, 助教 (30442982)
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| Co-Investigator(Renkei-kenkyūsha) |
FUJIKAWA Takashi 千葉大学, 大学院融合科学研究科, 教授 (30114987)
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| Project Period (FY) |
2010 – 2012
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| Keywords | ナノ計測 / キラル / 光電子顕微鏡 / 光電子分光 / レーザー / 円二色性 |
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| Research Abstract |
Microscopic recognition of optically active chiral ultrathin films has been considered to be almost impossible because of the extremely low sensitivity of the electric-dipole forbidden circular dichroism of 10^<-3>-10^<-5> order. We concluded that the exploitation would be possible to employ angle-resolved photoemission by which the electric-dipole circular dichroism is allowed. We have developed a chiral nanoscope of ultraviolet photoelectron emission microscopy that matches requirements of the submonolayer sensitivity, the nanometer scale spatial resolution, and the femtosecond time resolution. Microscopic measurements of organic chiral materials are in progress.
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