Zobrazeno 1 - 10
of 104
pro vyhledávání: '"Mareo, Ishigame"'
Publikováno v:
Solid State Ionics. 175:477-481
Reflection spectra of mixed-cation (Na1−xKx, Na1−xAgx and Na1−xTlx) β-aluminas were measured in the ultraviolet and vacuum-ultraviolet regions using a beam line with synchrotron radiation in order to study the mixed-cation effect in β-alumina
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67a9c5fda464de8064e38eed9809b8ed
https://doi.org/10.1016/j.ssi.2004.03.051
https://doi.org/10.1016/j.ssi.2004.03.051
Publikováno v:
Solid State Ionics. 159:135-141
The atomic hydrogen (1/2H2) permeability, JH, in (CeO2)0.9(GdO1.5)0.1 (fluorite-type) was measured at 1800–800 K. Two tubular specimens (SP(L), SP(S)) of different lengths sintered at 1970 K in air were used to eliminate the permeation through supp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88d5ad958e755c6f5a63897e9eccef5e
https://doi.org/10.1016/s0167-2738(02)00919-0
https://doi.org/10.1016/s0167-2738(02)00919-0
Observation of acceptor level of p-type SrTiO3 by high-resolution soft-X-ray absorption spectroscopy
Autor:
Mareo Ishigame, Shu Yamaguchi, Kiyoshi Kobayashi, Noriko Sata, Takeyo Tsukamoto, Tohru Higuchi, Shik Shin
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 199:255-259
The electronic structure of Sc-doped SrTiO3 (SrTi1� xScxO3) has been investigated by soft-X-ray absorption spectroscopy (XAS) in the O 1s core region. Hole states at the top of the valence band and acceptor-induced levels just above the Fermi level
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba926133d9c740fe2f2ad8f0c0e8dd5e
https://doi.org/10.1016/s0168-583x(02)01580-x
https://doi.org/10.1016/s0168-583x(02)01580-x
Electronic structures of protonic conductors SrTiO3 and SrCeO3 by O 1s X-ray absorption spectroscopy
Autor:
Mareo Ishigame, Tohru Higuchi, Shu Yamaguchi, Shik Shin, Noriko Sata, Takeyo Tsukamoto, Kiyoshi Kobayashi
Publikováno v:
Solid State Ionics. :735-739
The electronic structures of protonic conductors SrTi 1-x Sc x O 3 and SrCe 1-x Yb x O 3 have been studied by O 1s X-ray absorption spectroscopy (XAS). In SrTi 1-x Sc x O 3 , hole state and acceptor-induced level are observed in the band gap energy r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62b4fc208673bb77bacd114d02a75864
https://doi.org/10.1016/s0167-2738(02)00474-5
https://doi.org/10.1016/s0167-2738(02)00474-5
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 194:443-450
Ion irradiation effects on a proton conductive oxide, i.e. SrCe0.95Yb0.05O3−δ (SCO) have been investigated by measurements of sputtering yield, modifications of compositions and structure. The sputtering yields of SCO by 100 keV Ar+ and Ne+ are de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8ee75a4a277cc0f8299e44be7152fec
https://doi.org/10.1016/s0168-583x(02)00785-1
https://doi.org/10.1016/s0168-583x(02)00785-1
Autor:
Anri Nakajima, Mareo Ishigame
Publikováno v:
Solid State Ionics. 146:133-141
We studied the local-ion-hopping mechanism of oxygen ions (vacancies) in Sc3+-doped ZrO2 by measuring the quasielastic light scattering (QELS) as well as the electrical conductivity. The activation energy in the cubic phase obtained by means of fixed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4de3ed4955c14316bdff4b7f15a29408
https://doi.org/10.1016/s0167-2738(01)00991-2
https://doi.org/10.1016/s0167-2738(01)00991-2
Autor:
Masami Fujisawa, Shik Shin, Noriko Sata, Mareo Ishigame, Kiyoshi Kobayashi, Takeyo Tsukamoto, Yoichi Ishiwata, Takayoshi Yokoya, Tohru Higuchi, Shu Yamaguchi
Publikováno v:
Solid State Ionics. :261-264
The hole-state and defect structure of proton conductor SrTi 1-x Sc x O 3 have been studied by high-resolution X-ray absorption spectroscopy. The proton-induced level is observed in proton-doped SrTi 1-x Sc x O 3 . The energy separation between the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a3abcefadb743b78fc08192f13cc46d7
https://doi.org/10.1016/s0167-2738(00)00319-2
https://doi.org/10.1016/s0167-2738(00)00319-2
Publikováno v:
Solid State Ionics. :409-413
Spectral hole-burning has been observed in Eu 3+ ion exchanged Na β″-alumina. There are two types of persistent holes at different burning wavelengths: One is with a complex band shape and the other with a simple Lorentzian shape. The latter persi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6468e5aaab4241d12c1762f9542cd86
https://doi.org/10.1016/s0167-2738(00)00471-9
https://doi.org/10.1016/s0167-2738(00)00471-9
Publikováno v:
Solid State Ionics. :197-201
The O–H stretching vibration in proton-conducting superlattices of SrCe 0.95 Yb 0.05 O 3 and SrZr 0.95 Yb 0.05 O 3 was investigated by FTIR-ATR (Fourier transform infrared-attenuated total reflection) spectroscopy to study the proton dynamics. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9098cc51fcf8a0010fc1720aa91770d9
https://doi.org/10.1016/s0167-2738(00)00306-4
https://doi.org/10.1016/s0167-2738(00)00306-4
Autor:
Hiroo Yugami, H Sone, Mareo Ishigame, Takeshi Hattori, Noriko Sata, Y Akiyama, Naoto Kitamura
Publikováno v:
Solid State Ionics. 125:383-387
Transparent solid solution crystals of Sr[CeZr] 0.95 Yb 0.05 O 3 were grown by the FZ-method using a Xe-arc imaging furnace to investigate proton conductivity in mixed perovskite-type oxides. It is observed that there are at least five different O–
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99375b8463c48e22d9fd57ff162cb482
https://doi.org/10.1016/s0167-2738(99)00199-x
https://doi.org/10.1016/s0167-2738(99)00199-x