Zobrazeno 1 - 10
of 1 209
pro vyhledávání: '"Kazuhiko Hara"'
Publikováno v:
Ceramics, Vol 6, Iss 4, Pp 2086-2097 (2023)
The possibility of synthesizing a new hybrid phosphor CSSC (mixture of 0.5 CaSrSiO4:Eu2+: 0.29 Ca6Sr4Si6O21Cl2:Eu2+: 0.21 Ca10Si6O21Cl2:Eu2+) using a one-step microwave synthesis method is demonstrated. The concentrations of europium and calcium in t
Externí odkaz:
https://doaj.org/article/0601887f183f4506a8e8b42e4e4ef2b5
Publikováno v:
Nanomaterials, Vol 14, Iss 15, p 1277 (2024)
A quantum prism, a new structure, consisting of many quantum wires with a diameter that gradually decreases from the base to the top, is the focus of our research. This distribution of quantum wires leads to a dispersive emitted spectrum. The red edg
Externí odkaz:
https://doaj.org/article/e5b2e1f300fb4d16a93980f75083233d
Autor:
Yuki Kamada, Ryusei Hayasaka, Kento Uchida, Taisei Suzuki, Takahiro Takei, Mamoru Kitaura, Hiroko Kominami, Kazuhiko Hara, Yuta Matsushima
Publikováno v:
Materials, Vol 17, Iss 2, p 338 (2024)
Deep red phosphors have attracted much attention for their applications in lighting, medical diagnosis, health monitoring, agriculture, etc. A new phosphor host material based on fluorine-doped lithium aluminate (ALFO) was proposed and deep red emiss
Externí odkaz:
https://doaj.org/article/1bcf57f6bc104820b88788094b448c96
Publikováno v:
Technologies, Vol 10, Iss 3, p 56 (2022)
The electronic structures of the luminescent center ions Cr3+ and Fe3+ in the deep red phosphors LiAl5O8:Cr3+, α-Al2O3:Cr3+, and γ-LiAlO2:Fe3+ were calculated by the DV-Xα method, in which the local distortion induced by the replacement of Al3+ si
Externí odkaz:
https://doaj.org/article/66544b16228940cabe63438e5df646c6
Publikováno v:
Journal of the Ceramic Society of Japan. 130:857-860
Publikováno v:
Journal of the Ceramic Society of Japan. 130:735-738
Publikováno v:
Journal of the Physical Society of Japan. 92
A Study of the Radiation Tolerance of CVD Diamond to 70 MeV Protons, Fast Neutrons and 200 MeV Pions
Autor:
Lukas Bäni, Andreas Alexopoulos, Marina Artuso, Felix Bachmair, Marcin Ryszard Bartosik, Helge Christoph Beck, Vincenzo Bellini, Vladimir Belyaev, Benjamin Bentele, Alexandre Bes, Jean-Marie Brom, Gabriele Chiodini, Dominik Chren, Vladimir Cindro, Gilles Claus, Johann Collot, John Cumalat, Sébastien Curtoni, Anne Evelyn Dabrowski, Raffaello D’Alessandro, Denis Dauvergne, Wim De Boer, Christian Dorfer, Marc Dünser, Gerald Eigen, Vladimir Eremin, Jacopo Forneris, Laurent Gallin-Martel, Marie-Laure Gallin-Martel, Kock Kiam Gan, Martin Gastal, Abderrahman Ghimouz, Mathieu Goffe, Joel Goldstein, Alexander Golubev, Andrej Gorišek, Eugene Grigoriev, Jörn Grosse-Knetter, Aidan Grummer, Bojan Hiti, Dmitry Hits, Martin Hoeferkamp, Jérôme Hosselet, Fabian Hügging, Chris Hutson, Jens Janssen, Harris Kagan, Keida Kanxheri, Richard Kass, Mladen Kis, Gregor Kramberger, Sergey Kuleshov, Ana Lacoste, Stefano Lagomarsino, Alessandro Lo Giudice, Ivan López Paz, Eric Lukosi, Chaker Maazouzi, Igor Mandić, Sara Marcatili, Alysia Marino, Cédric Mathieu, Mauro Menichelli, Marko Mikuž, Arianna Morozzi, Francesco Moscatelli, Joshua Moss, Raymond Mountain, Alexander Oh, Paolo Olivero, Daniele Passeri, Heinz Pernegger, Roberto Perrino, Federico Picollo, Michal Pomorski, Renato Potenza, Arnulf Quadt, Fatah Rarbi, Alessandro Re, Michael Reichmann, Shaun Roe, Olivier Rossetto, Diego Alejandro Sanz Becerra, Christian J. Schmidt, Stephen Schnetzer, Silvio Sciortino, Andrea Scorzoni, Sally Seidel, Leonello Servoli, Dale Shane Smith, Bruno Sopko, Vit Sopko, Stefania Spagnolo, Stefan Spanier, Kevin Stenson, Robert Stone, Bjarne Stugu, Concetta Sutera, Michael Traeger, William Trischuk, Marco Truccato, Cristina Tuvè, Jaap Velthuis, Stephen Wagner, Rainer Wallny, Jianchun Wang, Norbert Wermes, Jayashani Wickramasinghe, Mahfoud Yamouni, Justas Zalieckas, Marko Zavrtanik, Kazuhiko Hara, Yoichi Ikegami, Osamu Jinnouchi, Takashi Kohriki, Shingo Mitsui, Ryo Nagai, Susumu Terada, Yoshinobu Unno
Publikováno v:
Sensors, Vol 20, Iss 22, p 6648 (2020)
We measured the radiation tolerance of commercially available diamonds grown by the Chemical Vapor Deposition process by measuring the charge created by a 120 GeV hadron beam in a 50 μm pitch strip detector fabricated on each diamond sample before a
Externí odkaz:
https://doaj.org/article/e1264b05b87a4899b3d1120f414af28a
Autor:
Hisanori Suzuki, Takumi Omori, Kazuhiko Hara, Hiroki Yamauchi, Miho Yamada, Toru Tsuboyama, Ayaki Takeda
Publikováno v:
Progress of Theoretical and Experimental Physics. 2022
We developed a beam telescope system comprising five layers of 300-$\mu$m-thick INTPIX4NA monolithic pixel sensors with each pixel size of 17 $\mu$m square. The sensors were fabricated using silicon-on-insulator (SOI) technology. The signal-to-noise
Autor:
Kazuhiko Hara
Publikováno v:
Journal of Science and Technology in Lighting. 46:5-5