Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Hiromi Hamanaka"'
Autor:
Yusuke Moriyoshi, Hiromi Hamanaka, Norio Kobayashi, Takamasa Ishigaki, Ji-Guang Li, Masashi Ikeda
Publikováno v:
Thin Solid Films. 516:6640-6644
Eu 3+ -doped TiO 2 nanopowders were synthesized by Ar/O 2 induction thermal plasma pyrolysis of atomized aqueous solutions containing titanium(III) trichloride and europium(III) nitrate. TiO 2 nanocrystals are mixtures of the anatase and rutile polym
Autor:
Chengchun Tang, Takamasa Ishigaki, Masashi Ikeda, Ji-Guang Li, Hiromi Hamanaka, Yusuke Moriyoshi
Publikováno v:
The Journal of Physical Chemistry C. 111:18018-18024
Chlorinated TiO2 powders of high crystallinity and good dispersion have been synthesized via one-step Ar/O2 radio frequency thermal plasma oxidation of atomized aqueous solutions of TiCl3. The resultant powders are anatase/rutile mixtures (∼66−72
Autor:
Kuniko Maeda, Satoshi Murao, Kenichi Hasegawa, Masamichi Tsuji, Hiromi Hamanaka, Kiyoshi Ogiwara
Publikováno v:
International Journal of PIXE. 15:1-9
The feasibility of RIKEN high-resolution PIXE system for direct chemical state analysis of 3d transition elements was examined. K β spectra of Cr and Fe from several compounds were measured in air at atmospheric pressure using a crystal spectrometer
Publikováno v:
X-Ray Spectrometry. 34:389-392
A high-resolution PIXE system composed of a curved crystal and a position-sensitive proportional counter in v. Hamos geometry was constructed for rapid chemical state analysis in air. Data processing software to measure the time variation of PIXE spe
Publikováno v:
Transactions of the Society of Instrument and Control Engineers. 39:11-17
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 190:704-708
We have developed a crystal spectrometer system for rapid chemical state analysis by external beam particle induced X-ray emission. The system consists of a flat single crystal and a five-stacked position-sensitive proportional counter assembly. Chem
Publikováno v:
Fusion Science and Technology. 41:1030-1034
In the Japan Atomic Energy Research Institute (JAERI), technology for tritium production by use of 6 Li-Al alloy has been developed with the aim of furnishing tritium for fusion research. The alloy contains β-phase, i.e., intermetallic compound β-L
Publikováno v:
International Journal of PIXE. 11:35-44
A narrow entrance slit was attached to an in-air high-resolution PIXE system composed of a flat analyzing crystal and a position-sensitive proportional counter. Chemical shift measurements were carried out for Si, P and S Kα1,2 lines from various sa
Publikováno v:
International Journal of PIXE. 10:47-56
Chemical shifts of Kα1,2 line of sulfur in marine sediments were measured with in-air high-resolution PIXE in order to examine the possibility of direct speciation of sulfur in such environmental substances. Change of chemical states of sulfur along
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 150:124-128
The in-air high-resolution PIXE system composed of a flat analyzing crystal and a position-sensitive proportional counter was applied to measure line shifts of Si Kα and P Kα X-rays from various samples induced by an external proton beam. Line shif