Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Isao Harayama"'
Autor:
Tetsuya Hasegawa, Yuki Sugisawa, Isao Harayama, Daiichiro Sekiba, Y. Takimoto, Satoshi Ishii, Takuto Wakasugi, Yasushi Hirose
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 503:68-74
We present the development of time-of-flight/energy (TOF-E) telescope for elastic recoil detection analysis (ERDA) in UTTAC at the University of Tsukuba. The designs of the TOF tube are introduced. The performance for the quantification and mass reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2d223665dd25c7bb04b3c588acbe3f8
https://doi.org/10.1016/j.nimb.2021.07.006
https://doi.org/10.1016/j.nimb.2021.07.006
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 456:74-79
We demonstrated a position-sensitive-like detector (PSD) based on a scanning solidstate detector (scanning-SSD) in HERDA for improvement of detection limit for hydrogen. The new detection system enables us to separate the signals of interest from bac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4b909738b83722ef53048dd68de40be
https://doi.org/10.1016/j.nimb.2019.07.007
https://doi.org/10.1016/j.nimb.2019.07.007
Autor:
Satoshi Fujiwara, Daiichiro Sekiba, Yuji Kurauchi, Isao Harayama, Tetsuya Hasegawa, Yasushi Hirose
Publikováno v:
ACS Applied Electronic Materials. 1:595-599
Epitaxial thin films of nitrogen-substituted Fe3O4 (Fe3O4–yNy) were synthesized on MgO (001) substrates by using nitrogen-plasma-assisted pulsed laser deposition. The obtained Fe3O4–yNy thin films ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5facc2d51d328d0e84f456736f8e6be9
https://doi.org/10.1021/acsaelm.9b00051
https://doi.org/10.1021/acsaelm.9b00051
Autor:
Yumi Watahiki, Isao Harayama, Daiichiro Sekiba, Kazuhide Ozeki, N. Fukata, Satoshi Ishii, T. Tamura
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 430:6-10
A double MCP (micro channel plate) system is developed for the improvement of detection limit in HERDA (high-resolution elastic recoil detection analysis) for hydrogen (H) and its isotope. One MCP detects the recoils of hydrogen (or deuterium (D)), t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9f78c5e1d5dc54d6835dfeafc15db6a
https://doi.org/10.1016/j.nimb.2018.05.043
https://doi.org/10.1016/j.nimb.2018.05.043
Autor:
Yasushi Hirose, Atsushi Suzuki, Isao Harayama, Tetsuya Hasegawa, Yutaka Matsuo, Satoshi Fujiwara, Daiichiro Sekiba, Takafumi Nakagawa, Shoichiro Nakao
Publikováno v:
ACS Applied Nano Materials. 1:3981-3985
Metal oxynitride semiconductors with the d0 or d10 electron configuration are promising materials for nontoxic pigments and photocatalysts, but their electrical properties have scarcely been studied. Anatase TaON (δ-TaON) is a metastable polymorph o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3d1cd531c6c9cecf9570342599d801d
https://doi.org/10.1021/acsanm.8b00750
https://doi.org/10.1021/acsanm.8b00750
Autor:
Tetsuya Hasegawa, Hiroshi Kumigashira, Daiichiro Sekiba, Makoto Minohara, Isao Harayama, Tsukasa Katayama, Akira Chikamatsu, Yasushi Hirose
Publikováno v:
Journal of Materials Chemistry C. 6:3445-3450
A-site cation-ordered perovskite cobaltite, RBaCo2Ox (R = rare earth element), exhibits fascinating physical properties, such as spin-state ordering and high oxygen conductivity, because of the large tetragonal distortion of the Co orbital. However,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcaa252d74b47cc668cfe483af4145d5
https://doi.org/10.1039/c7tc05422j
https://doi.org/10.1039/c7tc05422j
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 401:29-32
A newly developed high-resolution elastic recoil detection analysis (HERDA) system installed at the 1 MV Tandetron in UTTAC at the University of Tsukuba is introduced. The effective solid angle of detector, energy resolution and detection limit for h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ae860cfaffb755e36d29f52adcb563f
https://doi.org/10.1016/j.nimb.2017.04.031
https://doi.org/10.1016/j.nimb.2017.04.031
Autor:
Akira Chikamatsu, Eiji Ikenaga, Makoto Minohara, Isao Harayama, Tsukasa Katayama, Yasushi Hirose, Tomoya Onozuka, Tetsuya Hasegawa, Hiroshi Kumigashira, Daiichiro Sekiba
Publikováno v:
ACS Applied Materials & Interfaces. 9:10882-10887
Perovskite nickel oxides are of fundamental as well as technological interest because they show large resistance modulation associated with phase transition as a function of the temperature and chemical composition. Here, the effects of fluorine dopi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd08013ad3ceb6dfb75fd38c39927be9
https://doi.org/10.1021/acsami.7b00855
https://doi.org/10.1021/acsami.7b00855
Autor:
Atsushi Suzuki, Vitchaphol Motaneeyachart, Daiichiro Sekiba, Isao Harayama, Tetsuya Hasegawa, Yasushi Hirose, Shoichiro Nakao
Publikováno v:
Chemistry Letters. 47:65-67
Baddeleyite niobium oxynitride (NbON) is a possible low-cost alternative to baddeleyite TaON, which is a well-known oxynitride semiconductor with high photocatalytic activity for visible light. In this study, baddeleyite NbON thin films were epitaxia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f573d21233c019b64c72b336af4fc26a
https://doi.org/10.1246/cl.170914
https://doi.org/10.1246/cl.170914
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 384:61-67
We have developed a compact Δ E-E telescope elastic recoil detection analysis (ERDA) system, for the first time at Micro Analysis Laboratory, Tandem Accelerator (MALT) in the University of Tokyo, which consists of a gas ionization chamber and solid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8dcc4efe743c41616bf43279253f495
https://doi.org/10.1016/j.nimb.2016.07.019
https://doi.org/10.1016/j.nimb.2016.07.019