Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Koichi Hamamoto"'
Publikováno v:
ACS Omega, Vol 9, Iss 22, Pp 23597-23602 (2024)
Externí odkaz:
https://doaj.org/article/ae97eedd41e7464c9eeea761eff34773
Autor:
Kyuichi Yasui, Koichi Hamamoto
Publikováno v:
AIP Advances, Vol 13, Iss 4, Pp 045222-045222-4 (2023)
The porosity after solid-state sintering is theoretically estimated by using a simple physical model with empirical formulas as a function of applied pressure and initial particle size. The comparison with the experimental data has revealed that tigh
Externí odkaz:
https://doaj.org/article/7db15e81724f4a26ac33473956945f7e
Autor:
Naoki Hamao, Koichi Hamamoto
Publikováno v:
Journal of Asian Ceramic Societies, Vol 0, Iss 0, Pp 1-8 (2022)
Thin and dense solid electrolytes are required to improve the performance of oxide-based all-solid-state batteries. We investigated the effect of the uniformity of dopant diffusion on the sinterability of the electrolyte, fabricated a garnet-type ele
Externí odkaz:
https://doaj.org/article/967a0c7562c7440ba4aae5a1f0ac1554
Autor:
Kyuichi Yasui, Koichi Hamamoto
Publikováno v:
AIP Advances, Vol 12, Iss 4, Pp 045304-045304-8 (2022)
Numerical models of solid-state and liquid-phase sintering of CaCO3 at room temperature are developed for applied static pressures as high as 280 MPa. Under the applied static pressure of 280 MPa, solid-state sintering (dry pressing) also works at ro
Externí odkaz:
https://doaj.org/article/9c11d54118244ddf85f96dfd13cd54d6
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025235-025235-6 (2021)
Heat treatment is a key process to determine the dielectric properties of nanocrystalline barium titanate (BaTiO3) ceramics, which are a prospective candidate to realize further miniaturization of dielectric components in electric devices. Here, we u
Externí odkaz:
https://doaj.org/article/12c855c85ed84d95aec9960897f3406a
Publikováno v:
Journal of Sol-Gel Science and Technology. 104:599-605
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5af590b4ab1060b1375be6c7ba965a32
https://doi.org/10.1007/s10971-022-05810-3
https://doi.org/10.1007/s10971-022-05810-3
Publikováno v:
Chemistry Letters. 50:1784-1786
A garnet-type electrolyte sheet for all-solid-state batteries was fabricated by modified cold sintering method. The pores in the electrolyte sheet were closed during the cold sintering process, and...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21b4c18ff75868773bbb2f3c82beb71f
https://doi.org/10.1246/cl.210374
https://doi.org/10.1246/cl.210374
Autor:
Kyuichi Yasui, Koichi Hamamoto
Publikováno v:
Physica Scripta. 98:045811
In order to study the recently proposed strategy to tailor the electrical property of ceramics by the introduction of dislocations, numerical calculations are performed on the influence of parallel straight dislocations on ionic conductivity and dend
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1490f57e5ff70fa0b145dcb9b7ec2775
https://doi.org/10.1088/1402-4896/acc0e4
https://doi.org/10.1088/1402-4896/acc0e4
Autor:
Hiroki Itasaka, Koichi Hamamoto, Ming Liu, Masahiro Nishikawa, Masayuki Nishi, Ryota Kojima, Taro Yoshikawa
Publikováno v:
Chemistry Letters. 50:1188-1190
This paper demonstrates structural analysis for single detonation nanodiamond (DND) particles, with a size below 6 nm, by tip-enhanced Raman spectroscopy (TERS). Single DND particles show Raman spe...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::048fab5b8188441bc52ef25527c611e2
https://doi.org/10.1246/cl.210042
https://doi.org/10.1246/cl.210042
Publikováno v:
Materials, Vol 14, Iss 4737, p 4737 (2021)
Materials
Volume 14
Issue 16
Materials
Volume 14
Issue 16
A NASICON-type Li1.3Al0.3Ti1.7(PO4)3 (LATP) electrolyte sheet for all-solid-state batteries was fabricated by a cold sintering process (CSP). The microstructure of the LATP sheet was controlled to improve the wettability which is an essential factor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::839eba3e144263b6b1c5cddc27422527
https://www.mdpi.com/1996-1944/14/16/4737
https://www.mdpi.com/1996-1944/14/16/4737