Influence of Intrinsic Hole Concentration on Oxygen Sensing Properties of Hot-Spot Based Eu{sub 1-x}Ca{sub x}Ba{sub 2}Cu{sub 3}O{sub 7-{delta}}Ceramics
Journal Article
·
· AIP Conference Proceedings
- School of Physics and Materials Sciences, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor (Malaysia)
We report oxygen sensing behavior of (Eu{sub 1-x}Ca{sub x})Ba{sub 2}Cu{sub 3}O{sub 7-{delta}}(x = 0.0,0.1) ceramics rods with formation of oxygen sensitive hot-spot upon application of external voltage. Oxygen response behavior of the x = 0.1 rod showed constant current plateau with increasing voltage and displayed better stability and reproducibility compared to x = 0 rod probably due to increased intrinsic hole concentration and reduction in activation energy as a result of Ca{sup 2+} substitution..
- OSTI ID:
- 21410537
- Journal Information:
- AIP Conference Proceedings, Vol. 1250, Issue 1; Conference: PERFIK2009: National physics conference 2009, Malacca (Malaysia), 7-9 Dec 2009; Other Information: DOI: 10.1063/1.3469666; (c) 2010 American Institute of Physics; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
ACTIVATION ENERGY
BARIUM ADDITIONS
CALCIUM ADDITIONS
CERAMICS
COPPER COMPOUNDS
ELECTRIC POTENTIAL
EUROPIUM ADDITIONS
HOT SPOTS
OXYGEN
OXYGEN COMPOUNDS
STABILITY
X-RAY DIFFRACTION
ALLOYS
BARIUM ALLOYS
CALCIUM ALLOYS
COHERENT SCATTERING
DIFFRACTION
ELEMENTS
ENERGY
EUROPIUM ALLOYS
NONMETALS
RARE EARTH ADDITIONS
RARE EARTH ALLOYS
SCATTERING
TRANSITION ELEMENT COMPOUNDS
ACTIVATION ENERGY
BARIUM ADDITIONS
CALCIUM ADDITIONS
CERAMICS
COPPER COMPOUNDS
ELECTRIC POTENTIAL
EUROPIUM ADDITIONS
HOT SPOTS
OXYGEN
OXYGEN COMPOUNDS
STABILITY
X-RAY DIFFRACTION
ALLOYS
BARIUM ALLOYS
CALCIUM ALLOYS
COHERENT SCATTERING
DIFFRACTION
ELEMENTS
ENERGY
EUROPIUM ALLOYS
NONMETALS
RARE EARTH ADDITIONS
RARE EARTH ALLOYS
SCATTERING
TRANSITION ELEMENT COMPOUNDS