Oxide ion diffusion in optimised LAMOX materials

2004 ◽  
pp. 3101 ◽  
Author(s):  
Samuel Georges ◽  
Stephen J. Skinner ◽  
Phillippe Lacorre ◽  
M Cesar Steil
Keyword(s):  
Ion Diffusion ◽  
Oxide Ion

Direct evidence for two-dimensional oxide-ion diffusion in the hexagonal perovskite-related oxide Ba3MoNbO8.5−δ

2019 ◽  
Vol 7 (23) ◽  
pp. 13910-13916 ◽  
Author(s):  
Masatomo Yashima ◽  
Takafumi Tsujiguchi ◽  
Kotaro Fujii ◽  
Eiki Niwa ◽  
Shunta Nishioka ◽  
...  
Keyword(s):  
Direct Evidence ◽  
Two Dimensional ◽  
Ion Diffusion ◽  
Diffusion Paths ◽  
Oxide Ion

Experimentally visualized two-dimensional O2−–O2–O3– diffusion paths rotating around Ba cations in oxygen deficient Ba3MoNbO8.5−δat 1100 °C.

scholarly journals Effects of redox processes on oxide ion diffusion in Mg-Al-Fe-O solid solution single crystals.

1999 ◽  
Vol 46 (1) ◽  
pp. 36-47
Author(s):  
Hajime Haneda ◽  
Mitsumasa Isobe ◽  
Takamasa Ishigaki ◽  
Isao Sakaguchi ◽  
Noboru Ichinose
Keyword(s):  
Solid Solution ◽  
Single Crystals ◽  
Redox Processes ◽  
Ion Diffusion ◽  
Oxide Ion

Crystal Structure and Oxide-Ion Diffusion of Nanocrystalline, Compositionally Homogeneous Ceria–Zirconia Ce0.5Zr0.5O2up to 1176 K

2012 ◽  
Vol 13 (2) ◽  
pp. 829-837 ◽  
Author(s):  
Masatomo Yashima ◽  
Tomohiro Sekikawa ◽  
Daisuke Sato ◽  
Hiromi Nakano ◽  
Kazuki Omoto
Keyword(s):  
Crystal Structure ◽  
Ion Diffusion ◽  
Oxide Ion

Atomistic simulations of oxide ion diffusion in heavily doped lanthanum cobaltite

2005 ◽  
Vol 25 (13) ◽  
pp. 3243-3248 ◽  
Author(s):  
C.A.J. Fisher ◽  
Y. Iwamoto ◽  
M. Asanuma ◽  
T. Anyashiki ◽  
K. Yabuta
Keyword(s):  
Atomistic Simulations ◽  
Ion Diffusion ◽  
Lanthanum Cobaltite ◽  
Heavily Doped ◽  
Oxide Ion

scholarly journals Fast oxygen exchange and diffusion kinetics of grain boundaries in Sr-doped LaMnO3 thin films

2015 ◽  
Vol 17 (12) ◽  
pp. 7659-7669 ◽  
Author(s):  
Edvinas Navickas ◽  
Tobias M. Huber ◽  
Yan Chen ◽  
Walid Hetaba ◽  
Gerald Holzlechner ◽  
...  
Keyword(s):  
Thin Films ◽  
Oxygen Reduction Reaction ◽  
Grain Boundaries ◽  
Isotope Exchange ◽  
Reduction Reaction ◽  
Diffusion Kinetics ◽  
Ion Diffusion ◽  
Kinetics Of ◽  
And Diffusion ◽  
Oxide Ion

Isotope exchange depth profile measurements were performed on columnar/epitaxial LSM thin films with varied microstructure. These uncover the importance of grain boundaries for oxygen reduction reaction and oxide ion diffusion.

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