Zobrazeno 1 - 10
of 144
pro vyhledávání: '"Mikio Higuchi"'
Publikováno v:
Journal of Asian Ceramic Societies, Vol 0, Iss 0, Pp 1-7 (2022)
The development of new sintering processes for ferroelectric perovskite-type oxynitrides is a crucial aspect of realizing practical applications of these materials. The present study examined the sintering of SrTaO2N with B2O3, a new additive. The ad
Externí odkaz:
https://doaj.org/article/61bfe710d98f4ed588696fb05295c7d4
Publikováno v:
Journal of Asian Ceramic Societies, Vol 7, Iss 2, Pp 147-153 (2019)
The oxygen reduction reaction (ORR) activity and cation valences of Mn-based Ni–Mn–Fe and Mg–Mn layered double hydroxides (LDHs) with various compositions were studied. The valences of the 3D transition metals (Mn, Fe, and Ni) were examined by
Externí odkaz:
https://doaj.org/article/f53d8ff6a1e94fdebd518a07fae56d37
Autor:
Hiroto Takeuchi, Daiki Miyamoto, Yuji Masubuchi, Mikio Higuchi, Kento Ishii, Tetsuo Uchikoshi
Publikováno v:
Ceramics International. 49:21825-21829
Publikováno v:
Materials Letters. 346:134555
Publikováno v:
Dalton Transactions. 50:5883-5889
Barium oxynitridosilicates, Ba3Si6O12N2 and Ba3Si6O9N4, were obtained from a mixture of BaCN2 and SiO2 at 800 °C, which is several hundred degrees lower than the temperature required in solid state reactions using BaCO3, SiO2 and Si3N4. The low-temp
Publikováno v:
Journal of the European Ceramic Society. 40:6288-6292
The thermal stability of oxynitride perovskites is very important for the fabrication of their dense ceramics. In this study, a solid solution of the oxynitride perovskite Sr1-xLaxTa1-xTixO2N was prepared via the ammonia nitridation of oxide precurso
Publikováno v:
IEEE Transactions on Nuclear Science. 67:2203-2208
We developed a Gd2Si2O7 (GPS) scintillator-based alpha imaging detector and demonstrated its effectiveness by evaluating the actual Pu particle and 222Rn progeny. The GPS scintillator plate was prepared by a sintering method. The outer dimensions of
Publikováno v:
Ceramics international. 46(9):13941-13944
The synthesis of oxynitride perovskites based on the use of gaseous ammonia as the nitrogen source requires high reaction temperatures and long durations. In the resent work, reduction and nitridation reactions using carbon nitride (C3N4) were employ
Autor:
Michiaki Iha, Mikio Higuchi, Shinichi Kikkawa, Masashi Inoguchi, Koji Murayama, Akira Hosono, Yuji Masubuchi
Publikováno v:
Journal of the European Ceramic Society. 40:2317-2322
The perovskite-type oxynitride BaTaO2N is a promising lead-free relaxor ferroelectric material. However, this material releases a part of its nitrogen during its sintering above 1350 °C. Subsequent annealing of the resulting sintered BaTaO2N0.85 cer
A Phoswich Alpha/Beta Detector for Monitoring in the Site of Fukushima Daiichi Nuclear Power Station
Autor:
Yuki Morishita, Koji Takasaki, Yoshiharu Kitayama, Akihiro Tagawa, Takuya Shibata, Katsuya Hoshi, Junichi H. Kaneko, Mikio Higuchi, Masatoshi Oura
Publikováno v:
SSRN Electronic Journal.