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2017 Fiscal Year Final Research Report

Development of low-temperature THz SNOM/STM

Research Project

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Project/Area Number 15H05423
Research Category

Grant-in-Aid for Young Scientists (A)

Allocation TypeSingle-year Grants
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionThe University of Tokyo

Principal Investigator

Kajihara Yusuke  東京大学, 生産技術研究所, 准教授 (60512332)

Project Period (FY) 2015-04-01 – 2018-03-31
Keywordsエバネッセント波 / テラヘルツ波 / 極低温 / 量子井戸 / 熱雑音 / ショット雑音
Outline of Final Research Achievements

The objective of this study was to dramatically increase the ability of passive-type THz scanning near-field microscope to deeply study the local phenomena of materials. We designed a multi-color CSIP (Charge-Sensitive Infrared Phototransistor) to detect multiple wavelengths and achieved 3 color detection. In parallel, we have designed and developed a low-temperature (4.2 K) SNOM/STM in the low-temperature cryostat and achieved far-field images and accurate tip control. In addition, we developed nano-thermometry technique from room-temperature objects for further industrial applications.

Free Research Field

加工計測学

URL: 

Published: 2019-03-29  

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