Oxygen partial pressure dependence of creep on yttria-doped ceria ceramics

2005 ◽  
Vol 176 (5-6) ◽  
pp. 641-644 ◽  
Author(s):  
F IGUCHI ◽  
Y ENDO ◽  
T ISHIDA ◽  
T YOKOBORI ◽  
H YUGAMI ◽  
...  
Keyword(s):  
Oxygen Partial Pressure ◽  
Partial Pressure ◽  
Pressure Dependence ◽  
Doped Ceria ◽  
Yttria Doped Ceria

Decrease in Resistance of Ceria Oxygen Sensor Induced by 10 mol% Hf and Zr Doping

2005 ◽  
Vol 888 ◽  
Author(s):  
Noriya Izu ◽  
Woosuck Shin ◽  
Ichiro Matsubara ◽  
Norimitsu Murayama
Keyword(s):  
Solid State ◽  
Oxygen Partial Pressure ◽  
Partial Pressure ◽  
Solid State Reaction ◽  
Pressure Range ◽  
Oxygen Sensor ◽  
Cubic Phase ◽  
Doped Ceria ◽  
Oxygen Gas ◽  
Resistive Type

ABSTRACTResistive type sensors using 10 mol% Hf-doped ceria and 10 mol% Zr-doped ceria, which had a single cubic phase obtained by solid state reaction, were fabricated and their sensing properties were investigated. The resistance and resistivity of the 10 mol% Hf-doped ceria or 10 mol% Zr-doped ceria were smaller than those of non-doped ceria. In the case of the same temperature of solid state reaction, the resistance and resistivity of the 10 mol% Hf-doped ceria were much smaller than those of the 10 mol% Zr-doped ceria. Furthermore, in the case of the same dopant, the resistance and resistivity of the sensor prepared from the solid state reaction at 1773 K were much smaller than those at 1673 K. The sensor using the 10 mol% Hf-doped ceria could be used as an oxygen gas sensor in wide oxygen partial pressure range and could be applicable to a λ sensor and a universal A/F sensor.

Mutual conversion of (BiPb)2Sr2Ca n−1Cu n O x HTSCs with n=1, 2, 3: Temperature and oxygen partial-pressure dependence

1994 ◽  
Vol 16 (10-11) ◽  
pp. 1701-1708
Author(s):  
F. Cellucci ◽  
D. Gozzi ◽  
R. Martino ◽  
S. Orlando ◽  
M. Tomellini
Keyword(s):  
Oxygen Partial Pressure ◽  
Partial Pressure ◽  
Pressure Dependence ◽  
Mutual Conversion

Oxygen partial pressure dependence of in situ X-ray absorption spectroscopy at the Co and Fe K edges for (La0.6Sr0.4)(Co0.2Fe0.8)O3−δ

2012 ◽  
Vol 152 (4) ◽  
pp. 278-283 ◽  
Author(s):  
Takanori Itoh ◽  
Saori Shirasaki ◽  
Hironori Ofuchi ◽  
Sayaka Hirayama ◽  
Tetsuo Honma ◽  
...  
Keyword(s):  
Oxygen Partial Pressure ◽  
Partial Pressure ◽  
Absorption Spectroscopy ◽  
Pressure Dependence ◽  
X Ray ◽  
X Ray Absorption
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