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Monitoring of Crystallization Process in Solution-Processed Pentacene Thin Films by Chemical Conversion Reactions

Autor: Kazutaka Tomita, Takafumi Shimoaka, Takeshi Hasegawa, Nobutaka Shioya, Hiroyuki Yoshida, Ryoi Fujiwara, Tomoyuki Koganezawa, Koji K. Okudaira

Publikováno v: The Journal of Physical Chemistry C. 125:2437-2445

Solution-processable organic semiconductors having bulky substituent groups on the π-conjugated skeleton are rapidly gaining attention for their potential applications to large-area electronics. While the substituent groups contribute to the good so

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f53b1c01b8701adb80007e20ef07f68d
https://doi.org/10.1021/acs.jpcc.0c10431

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Determination of Both Tilting and In-Plane Molecular Rotational Angles for Dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophene Using Near-Edge X-ray Absorption Fine Structure

Autor: Hiroyuki Yoshida, Keisuke Honya, Kazuaki Iwasawa, Koji K. Okudaira, Yuu Urabe

Publikováno v: The Journal of Physical Chemistry C. 124:14195-14201

[ABSTRACT] We demonstrate that both the in-plane molecular rotational and the tilting angles of the molecular orientation can be determined using the σ* resonance of sulfur (S) K-edge near edge X-ray absorption fine structure. We examined dinaphtho[

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ce70100594f61c3000f8dfbedad9732
https://doi.org/10.1021/acs.jpcc.0c02180

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Four-Year Operation of Tanpopo: Astrobiology Exposure and Micrometeoroid Capture Experiments on the JEM Exposed Facility of the International Space Station

Autor: K. Okudaira, Hajime Yano, Eiichi Imai, Masumi Higashide, Akihiko Yamagishi, Hirofumi Hashimoto, Makoto Tabata

Publikováno v: Astrobiology. 21(12)

The Tanpopo experiment was the first Japanese astrobiology mission on board the International Space Station. It included exposure experiments of microbes and organic compounds as well as a capture experiment of hypervelocity impacting microparticles.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d758055ceb44272c62694c66de2bb32b
https://pubmed.ncbi.nlm.nih.gov/34449271

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Real-time tracking of source movement by Cherenkov emission imaging for high-dose-rate brachytherapy

Autor: K. Yogo, Y. Tatsuno, T. Shimo, Y. Noguchi, K. Okudaira, M. Nozawa, H. Ishiyama, H. Yasuda, H. Oguchi, S. Yamamoto

Publikováno v: Journal of Instrumentation. 17:T07001

Quality assurance (QA) of the source movement is essential for ensuring the safe delivery of high-dose-rate (HDR) brachytherapy. Here, we proposed a simple and effective method for real-time tracking of the source movement in high-dose-rate brachythe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a55b76f39da7210a795d82e0d930a921
https://doi.org/10.1088/1748-0221/17/07/t07001

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Trials of transmission imaging using clinically used Ir-192 source for high-dose-rate brachytherapy

Autor: J. Nagata, S. Yamamoto, K. Nakanishi, Y. Noguchi, K. Okudaira, J. Kataoka

Publikováno v: Journal of Instrumentation. 17:T06009

In high-dose-rate (HDR) brachytherapy, verification of an Ir-192 source's position during treatment is required. One of the methods for this used a high-energy pinhole gamma camera to image the position of the source, but the absolute position of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7da8f01225c428e35fc6373fb502de2d
https://doi.org/10.1088/1748-0221/17/06/t06009

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Erratum: Development of a simultaneous imaging system to measure the optical and gamma ray images of Ir-192 source for high-dose-rate brachytherapy

Autor: J. Nagata, S. Yamamoto, Y. Noguchi, T. Nakaya, K. Okudaira, K. Kamada, A. Yoshikawa

Publikováno v: Journal of Instrumentation. 17:E01001

The gamma camera has a 1-mm-thick cerium-doped yttrium aluminum perovskite (YA1O_3: YAP(Ce)) scintillator plate optically coupled to a position-sensitive photomultiplier (PSPMT), and a 0.1-mm-diameter pinhole collimator was mounted in front of the ca

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b57eacab2f46c80bd9303300a5dc04b
https://doi.org/10.1088/1748-0221/17/01/e01001

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