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Dive into the research topics where Tomoya Yamashiki is active.

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Featured researches published by Tomoya Yamashiki.


Applied Physics Letters | 2003

Nonlinear optical effect of organic crystal heterostructures of benzylidene-aniline derivatives by two-step molecular-beam heteroepitaxy

Tomoya Yamashiki; Seiji Fukuda; Keiji Tsuda; Tetsuya Gotoh

A nonlinear optical waveguide with organic crystals based on 4′-nitrobenzyliden-3acetamino-4-methoxyaniline (MNBA) and its derivative was fabricated by organic molecular-beam epitaxy and operated as an electro-optic (EO) device. It has been proved that an EO coefficient r11 of MNBA significantly depends on the thickness of the 4′-nitrobenzyliden3-ethylcarbonylamino-4-methoxyaniline (MNBA–Et) homoepitaxial layer. Insertion of a thicker MNBA–Et homoepitaxial layer enlarges r11 of MNBA heteroepitaxial layer from 30 to more than 150 pm/V.


Optics Letters | 2003

Low-loss waveguides of benzylidene-aniline derivatives by organic molecular beam heteroepitaxy

Tomoya Yamashiki; Keiji Tsuda


Archive | 2002

Photosensitive ceramic composite and method for manufacturing multilayer substrate including the composite

Tomoya Yamashiki; Takenori Ueoka; Mitsuyo Shimba


Japanese Journal of Applied Physics | 2000

Heteroepitaxial Growth of 4′-Nitorobenzylidene-3-Acetamino-4-Methoxyaniline on the Single Crystal of 4′-Nitrobenzyliden-3-Ethylcarbonylamino-4-Methoxyaniline

Tomoya Yamashiki; Keiji Tsuda


Archive | 2005

Photosensitive ceramics composition and method for making multi-layer substrate using it

Tomoya Yamashiki; Takenori Ueoka; Mitsuyo Shimba


Japanese Journal of Applied Physics | 2002

Structural Change at the Interface of 4'-Nitrobenzylidene-3-Acetamino-4-Methoxyaniline Heteroepitaxial Layer Grown on 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline by Microprobe Laser Raman Spectroscopy

Tomoya Yamashiki; Keiji Tsuda


Archive | 1991

Laminated organic nonlinear optical crystal and production thereof

Tetsuya Gotoh; Seiji Fukuda; Hiroshi Mataki; Tetsuya Tsunekawa; Tomoya Yamashiki


Archive | 2002

Verfahren zur herstellung einer lichtempfindlichen keramischen zusammensetzung und mehrschichtiges substrat damit A process for producing a photosensitive ceramic composition and multi-layer substrate so that

Tomoya Yamashiki; Takenori Ueoka; Mitsuyo Shimba


Archive | 2002

Methods of producing photosensitive ceramic composition and multi-layer substrate using it

Mitsuyo Shimba; Takenori Ueoka; Tomoya Yamashiki


Japanese journal of applied physics. Pt. 1, Regular papers & short notes | 2002

Structural Change at the Interface of 4'-Nitrobenzylidene-3-Acetamino-4-Methoxyaniline Heteroepitaxial Layer Grown on 4'-Nitrobenzylidene-3-Ethylcarbonylamino-4-Methoxyaniline by Microprobe Laser Raman Spectroscopy(Atoms, Molecules, and Chemical Physics)

Tomoya Yamashiki; Keiji Tsuda

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