Výsledky vyhledávání - "Tadahiro Yotsuya"

Low temperature MOCVD of Ta2O5 dielectric thin films from Ta[NC(CH3)3][OC(CH3)3]3 and O2

Autor: Noriaki Oshima, Toshiki Yamamoto, Hirokazu Chiba, Taishi Furukawa, Ken-ichi Tada, Tadahiro Yotsuya, Hiroshi Funakubo

Publikováno v: Journal of the Ceramic Society of Japan. 124:510-514

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9943dc75a179ec5cdca83dc2a1519f1f
https://doi.org/10.2109/jcersj2.15245

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Novel Highly Volatile MOCVD Precursors for Ta2O5 and Nb2O5 Thin Films

Autor: Koichi Fujimoto, Toshiki Yamamoto, Kenichi Tada, Taishi Furukawa, Tadahiro Yotsuya, Takao Suzuki, Koichiro Inaba, Noriaki Oshima, Tetsu Yamakawa, Hirokazu Chiba, Hiroshi Funakubo

Publikováno v: ECS Transactions. 16:243-251

Novel Ta and Nb compounds Ta(NtBu)(OtBu)3 (1) and Nb(NtBu)(OtBu)3 (2) were prepared as volatile liquid precursors for the MOCVD process. Ta2O5 and Nb2O5 films were obtained by using 1 and 2 in a lower temperature regime than pentaethoxy tantalum (PET

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b353f3251ad70581b6d64edded75b973
https://doi.org/10.1149/1.2981607

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Primary hydroxy-modified cyclomaltoheptaose derivatives with two kinds of substituents. Preparation of 6I-(benzyloxycarbonylamino)-, 6I-(tert-butoxycarbonylamino)- and 6I-azido-6I-deoxy-6II,6III,6IV, 6V,6VI,6VII-hexa-O-tosylcyclomaltoheptaose and their conversion to the hexakis-(3,6-anhydro) derivatives

Autor: Tadahiro Yotsuya, Yoshihisa Tanabe, Tetsuo Uchida, Daisuke Iida, Kazuaki Kano, Takao Katsuhara, Shoji Ono, Satoshi Usami, Hatsuo Yamamura, Shuki Araki, Akihito Iwasa, Masao Kawai

Publikováno v: Journal of the Chemical Society. Perkin transactions 1 : organic and bio-organic chemistry.. 1998(7):1299-1303

Three cyclomaltoheptaoses (1, 2 and 3) which possess a benzyloxycarbonylamino group, a tert-butoxycarbonylamino group or an azido group, and six tosyloxy groups, on their C-6 atoms have been prepared. These can be versatile intermediates for the synt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a17f5b3a3a73a45ef18c7353b3c38193
http://id.nii.ac.jp/1476/00004533/

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Incubation Time Free CVD-TiO2 Film Preparation Using Novel Precursor of Ti-DOT

Autor: Noriaki Oshima, Hirokazu Chiba, Hiroshi Funakubo, Atsushi Maniwa, Tadahiro Yotsuya, Toshiki Yamamoto, Kohei Iwanaga, Ken-ichi Tada

Publikováno v: MRS Proceedings. 1288

Titanium oxide thin films were deposited at 250 – 400 °C on amorphous SiO2 prepared on n-type Si substrates by chemical vapor deposition (CVD) using a novel precursor, ethene-1,2-diylbis(tert-butylaminido)diisopropoxotitanium [Ti[N(tBu)C=CN(tBu)](

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::df519232936ccc2e663a3593c2bccc7d
https://doi.org/10.1557/opl.2011.628

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A Cyclodextrin Derivative with Cation Carrying Ability: Heptakis(3,6-anhydro)-β-cyclodextrin 2-O-p-Phenylazobenzoate

Autor: Hatsuo Yamamura, Tamotsu Higuchi, Shuki Araki, Kahee Fujita, Masao Kawai, Tadahiro Yotsuya, Hirotake Kawai, Yasuo Butsugan

Publikováno v: Chemistry Letters. 25:799-800

A cation-complexing host, heptakis(3,6-anhydro)-β-cyclodextrin, was converted to a mono-p-phenylazobenzoyl derivative, which exhibited alkali metal-carrying ability in CH2Cl2-H2O system.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2f1048ac8a398e898c1c34516a73882
https://doi.org/10.1246/cl.1996.799

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