Výsledky vyhledávání - "Masato Ofuji"

Materials, Devices, and Circuits of Transparent Amorphous-Oxide Semiconductor

Publikováno v: Journal of Display Technology. 5:531-540

This paper presents the following recent investigations of transparent amorphous-oxide semiconductors (TAOS) from materials to devices and circuits. 1) Composition of metals in TAOS are widely explored with the aim of seeking semiconductors suitable

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fe2c496875472496a978c7dc999bc274
https://doi.org/10.1109/jdt.2009.2025521

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Integrated Circuits Based on Amorphous Indium-Gallium-Zinc-Oxide-Channel Thin-Film Transistors

Autor: Hideya Kumomi, Ryo Hayashi, Nobuyuki Kaji, Kenji Nomura, Hideo Hosono, Toshio Kamiya, Masato Ofuji, Masafumi Sano, Katsumi Abe

Publikováno v: ECS Transactions. 3:293-300

Five-stage ring oscillators (ROs) composed of amorphous In-Ga- Zn-O (a-IGZO) channel TFTs were fabricated at room temperature with no post-deposition annealing. We observed oscillation of ROs with a variety of channel lengths and channel widths. A RO

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5d0e59ffa9006a6041021895a424e8b
https://doi.org/10.1149/1.2356366

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Microscopic Orientational Order of Polymer Chains in Helical Polyacetylene Thin Films Studied by Confocal Laser Raman Microscopy

Autor: Yohei Takano, Kazuo Akagi, Shouxue Guo, Yosuke Houkawa, Taizo Mori, Ken Ishikawa, Masato Ofuji, Hideo Takezoe, Munju Goh, Yoichi Takanishi

Publikováno v: Jpn. J. Appl. Phys.. 45:1710-1713

In order to study the internal structure of fibrils in helical polyacetylene thin films, we observed such films by confocal laser Raman microscopy (CLRM). The intensity of Raman signals depended greatly (~15-fold at the most) on the polarization conf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dc5e606f07906d76a3169b563e604bb5
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100408176

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Organic Semiconductor Designed for Lamination Transfer between Polymer Films

Autor: Masato Ofuji, and Ashok J. Maliakal, Howard E. Katz, Christian Kloc, Theo Siegrist, Andrew J. Lovinger

Publikováno v: Chemistry of Materials. 17:5748-5753

Organic field-effect transistors (FETs) may be cost-effective alternatives to amorphous-silicon transistors in certain applications. Vacuum-deposited polycrystalline organic semiconductor films exhibit equivalent mobilities to amorphous silicon and o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1175c3ed197adb88150ea23727751382
https://doi.org/10.1021/cm051616w

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Organic field-effect transistors based on new TTF-based liquid crystalline materials

Autor: Hideyasu Nakajima, Mao Katsuhara, Yoichi Takanishi, Takehiko Mori, Hideo Takezoe, Hideo Hosono, Ken Ishikawa, Isao Aoyagi, Takuya Kambayashi, Masato Ofuji

Publikováno v: Synthetic Metals. 149:219-223

Tetrathiafulvalene (TTF)-based new organic semiconductors with a long alkyl chain and electron withdrawing substituents are prepared. Among them, cyano-substituted TTF (C n EDT-DC) shows a liquid crystalline phase (Smectic A) at 110–120 °C. This c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16d5f25ae4c08aae723b5749da45542a
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100400156

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Grazing Incidence In-Plane X-ray Diffraction Study on Oriented Copper Phthalocyanine Thin Films

Autor: Kazuhiko Omote, Katsuhiko Inaba, Masato Ofuji, Ken Ishikawa, Yoichi Takanishi, Hideo Takezoe, Hajime Hoshi

Publikováno v: Jpn. J. Appl. Phys.. 41:5467-5471

Uniaxially aligned vacuum deposited films of copper phthalocyanine (CuPc) have been studied by means of angle-dispersive grazing-incidence X-ray diffraction. The lateral structure of the top surface of a 100-nm-thick film was successfully probed. It

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1419b63315806b461051702f48d4557b
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100400118

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Fast Thin-Film Transistor Circuits Based on Amorphous Oxide Semiconductor

Autor: Hisae Shimizu, Kenji Nomura, Masafumi Sano, Masato Ofuji, Katsumi Abe, Toshio Kamiya, Hideya Kumomi, Ryo Hayashi, Hideo Hosono, Nobuyuki Kaji

Publikováno v: IEEE ELECTRON DEVICE LETTERS. 28:273-275

Five-stage ring oscillators (ROs) composed of amorphous In/Ga/Zn/O (a-IGZO) channel thin-film transistors (TFTs) with the channel lengths of 10 mum were fabricated on a glass substrate. The a-IGZO layer was deposited by RF magnetron sputtering onto t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a03cab0903a8680f2d85264c694461c
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100532758

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Doping Effect on Surface Roughness of Organic Semiconductor Thin Films

Autor: Takuya Kambayashi, Takehiko Mori, Ken Ishikawa, Masanao Goto, Masato Ofuji, Hideo Takezoe

Publikováno v: Jpn. J. Appl. Phys. 45

Poly(3-hexylthiophene) (P3HT) films doped with iodine (I2) or dibenzotetrathiafulvalene (DBTTF) were prepared and the surface morphology was examined by atomic force microscopy. Increasing the I2 concentration, the surfaces of I2-doped P3HT films bec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::73bb57db033109dc7995d7d79c42b006
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100411248

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Heteroepitaxial Structure of F16VOPc/VOPc Fabricated on a KBr Substrate

Autor: Ken Ishikawa, Takuya Kambayashi, Hajime Hoshi, Masato Ofuji, Hideo Takezoe, Souichiro Uno

Publikováno v: Jpn. J. Appl. Phys.. 44

A hexadecafluorovanadylphthalocyanine (F16VOPc)/vanadylphthalocyanine (VOPc) heterostructure was fabricated by organic molecular beam epitaxy (OMBE) at 100°C on KBr. The structure was analyzed by transmission electron diffraction (TED) analysis and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c67eeb7f5c8ee7085eea4d46b9252c14
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100390546

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Coexistence of polar and nonpolar domains and their photocontrol in the B_{7} phase of a bent-core liquid crystal containing azo dyes

Autor: Sung Tae Shin, Fumito Araoka, Heekyung Kim, Chong Kwang Lee, Tong Kun Lim, Masato Ofuji, Hideo Takezoe, Yoichi Takanishi

Publikováno v: Physical Review E. 69

Coexisting polar and nonpolar domains have been studied by means of texture observation, x-ray analysis, optical second-harmonic generation (SHG), and SHG microscopy in the ${B}_{7}$ phase of a bent-core mesogen doped with azo dyes. The bent-core mol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b17958a605fd37181c3af0921366a291
https://doi.org/10.1103/physreve.69.061701

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