Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Kazuki Onuma"'
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Synthesis and Characterization of Functionalized Magnetic Nanoparticles for the Detection of Pesticide
Autor: Yuko Ichiyanagi, Yasuko Kawamura-Konishi, Shu Taira, Tomoyuki Hiroki, Akio Miyazato, Daisaku Kaneko, Kazuki Onuma
Publikováno v: International Journal of Inorganic Chemistry. 2012:1-7
We synthesized magnetic nanoparticles (MNPs) by mixing aqueous solutions of 3d transition metal chlorides (MCl2·nH2O) and a sodium metasilicate nonahydrate (Na2SiO3·9H2O) in order to produce monodispersed MNPs in a single step. The particle size ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::414e705ac301ec7986ec71155c60b9c1
https://doi.org/10.1155/2012/439751
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6
Magnetic properties of Fe-doped NiO nanoparticles
Autor: L. Zhu, Yuko Ichiyanagi, T. Kondo, N. Sakai, H. Takeuchi, T. Miyasaka, T. Yanoh, K. Miike, A. Kurokawa, S. Yano, Kazuki Onuma
Publikováno v: Journal of the Korean Physical Society. 63:716-718
Ni1−xFexO (x = 0, 0.05, 0.1) nanoparticles with several nanometers encapsulated with amorphous SiO2 were prepared by our novel preparation method. A NiO single phase structure was confirmed using the X-ray diffraction measurements. It is considered
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67699a17e969ebf83cdb1e6c0ad5d5a0
https://doi.org/10.3938/jkps.63.716
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7
Characterization of magnetic and dielectric properties of Bi(1-x)Gd(x)FeO3 nanoparticles by local structure analyses
Autor: Ko Mibu, Yuko Ichiyanagi, K. Miike, S. Yano, T. Miyasaka, Kazuki Onuma, T. Yanoh, T. Kondo, A. Kurokawa, H. Takeuchi
Publikováno v: Journal of nanoscience and nanotechnology. 14(3)
Bi(1-x)Gd(x)FeO3 (0 < or = x < or = 1.0) nanoparticles were synthesized by a wet chemical method. The annealing temperatures were controlled to obtain single-phase Bi(1-x)Gd(x)FeO3 nanoparticles. The crystal diameters decreased as the number of doped
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c91fd58aebe9e96e72de3a25a8657737
https://pubmed.ncbi.nlm.nih.gov/24745211
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8
Superparamagnetic behavior of Fe-doped SnO2 nanoparticles
Autor: T. Miyasaka, K. Miike, M. Hachisu, Kazuki Onuma, T. Kondo, Yuko Ichiyanagi, K. Mori
Publikováno v: AIP Conference Proceedings.
SnO{sub 2} is an n-type semiconductor with a wide band gap of 3.62 eV, and SnO{sub 2} nanoparticles doped with magnetic ions are expected to realized new diluted magnetic semiconductors (DMSs). Realizing ferromagnetism at room temperature is importan
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e25874d8fe5e9d3dcac90a83f497d306
https://doi.org/10.1063/1.4866611
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9
Synthesis and study of magnetic properties of Co-doped anatase TiO2nanoparticles
Autor: Kazuki Onuma, Yuko Ichiyanagi, T. Miyasaka, A. Kurokawa, S. Yano, T. Yanoh, T. Kondo, H. Takeuchi, K. Miike
Publikováno v: Journal of Physics: Conference Series. 433:012019
Anatase phase Ti0.97Co0.03O2 nanoparticles were synthesized using two different preparation methods. The prepared samples were investigated by X-ray diffraction (XRD), X-ray fluorescence (XRF) analysis, and magnetization measurements. The particle di
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f31053f7fb5d43b88c2fa14d207487e
https://doi.org/10.1088/1742-6596/433/1/012019
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