Výsledky vyhledávání - "Takeyoshi Sunagawa"

Development of a Gel Type Dosimeter for X-Ray Fields

Autor: Glenn Harvel, Yutaro Aoki, Toshiharu Sakura, Takeyoshi Sunagawa

Publikováno v: Volume 9: Student Paper Competition.

In recent years, use of radiation beams or particle beams have been put to practical use for cancer therapy. In cancer radiation therapy, visualization of radiation patterns is absolutely necessary for precisely evaluating the dose distribution. Ther

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d25cee5554befb8eb17d966a0b72f1e4
https://doi.org/10.1115/icone25-67618

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Determination of Specific Heat of Eutectic Indium – Bismuth-Tin Liquid Metal Alloys as a Test Material for Liquid Metal - Cooled Applications

Autor: Takeyoshi Sunagawa, Adam Lipchitz, Glenn Harvel

Publikováno v: Applied Mechanics and Materials. 420:185-193

Currently, Russia, India, China, France, South Korea, and Japan are actively pursuing liquid metal cooled applications such as liquid cooled metal nuclear reactor concepts. The liquid metal coolants being considered for these designs are sodium, lead

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f7e78ef68135b367a4c31ec8fa4f3638
https://doi.org/10.4028/www.scientific.net/amm.420.185

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Intra-molecular mobility of holes along rod-like helical Si backbones in optically active polysilanes

Autor: Takeyoshi Sunagawa, Yoshihito Honsho, Shu Seki, Atsushi Asano, Akinori Saeki

Publikováno v: Synthetic Metals. 159:843-846

Intra-molecular mobility of positive charge carriers in poly(n-hexyl-[S]-2-methylbutylsilane) (PHMBS) films doped with N,N′-bis(2,5-di-tert-buthylphenyl)-3,4,9,10-perylenedicarboximide (PDI) is studied by time-resolved microwave conductivity (TRMC)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6ccd5f4aa85838771475f2c84a39f53
https://doi.org/10.1016/j.synthmet.2009.01.022

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Charge-carrier dynamics in polythiophene films studied by in-situ measurement of flash-photolysis time-resolved microwave conductivity (FP-TRMC) and transient optical spectroscopy (TOS)

Autor: Akinori Saeki, K. Ushida, Seiichi Tagawa, Takeyoshi Sunagawa, Shu Seki

Publikováno v: Philosophical Magazine. 86:1261-1276

An in-situ measurement system for flash-photolysis time-resolved microwave conductivity (FP-TRMC) and transient optical spectroscopy (TOS) has been developed to perform simultaneous measurements of photo-induced changes in conductivity and charge-car

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbb2ef4ea6bc78804e2c1df120e1f0d9
https://doi.org/10.1080/14786430500380159

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Increase in the Mobility of Photogenerated Positive Charge Carriers in Polythiophene

Autor: Takeyoshi Sunagawa, Yoshiko Koizumi, Seiichi Tagawa, Akinori Saeki, Kiminori Ushida, Shu Seki

Publikováno v: The Journal of Physical Chemistry B. 109:10015-10019

We report the increase in the mobility of charge carriers in regioregular poly 3-hexyl thiophene (RR-P3HT) films by mixing them with tetracyanoethylene (TCNE), which is examined by in situ time-resolved microwave conductivity (TRMC) and transient opt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6bdb8fa7c1af09e7aaf7d1282214bb48
https://doi.org/10.1021/jp0442145

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Photochemistry of halogenated anilines studied by time-variation of microwave dielectric absorption

Autor: Takeyoshi Sunagawa, Michihiro Hara, Yosuke Oseki, Tetsuro Majima

Publikováno v: Journal of Photochemistry and Photobiology A: Chemistry. 163:153-158

The photochemistry of p -halogenated anilines (H 2 NC 6 H 4 X- p (XA)) such as p -chloroaniline (CA; X=Cl), p -bromoaniline (BA; X=Br), and p -iodoaniline (IA; X=I) in benzene has been studied by the time-variation of microwave dielectric absorption

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc6e530dd7f5d7f3109425ff5f937ec3
https://doi.org/10.1016/s1010-6030(03)00441-6

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Temperature dependence of low-energy electron attachment to CHCl3

Autor: Hiroshi Shimamori, Takeyoshi Sunagawa

Publikováno v: International Journal of Mass Spectrometry. 205:285-291

Dependence of the rate constants for electron attachment to CHCl3 on mean electron energy from thermal to ∼2 eV has been investigated at ambient temperatures between 300 and 600 K. The rate constant at thermal energy increases dramatically with tem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47e2f73cffaf53ba3c7fcb23e4e84a37
https://doi.org/10.1016/s1387-3806(00)00381-x

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Low-energy electron attachment to brominated methanes

Autor: Takeyoshi Sunagawa, Hiroshi Shimamori

Publikováno v: The Journal of Chemical Physics. 107:7876-7883

The rate constants as a function of the mean electron energy from thermal to about 2 eV at room temperature have been measured for electron attachment to CBr4, CHBr3, CFBr3, CF2Br2, CH2BrCl, CHBr2Cl, and CBrCl3 using the pulse-radiolysis microwave-ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db759239572ed15bdf5199e91ac7e8f1
https://doi.org/10.1063/1.475100

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