Influence of oxygen adsorption and diffusion on the overlapping of intergranular potential barriers in SnO_2 thick films

M.A. Ponce; M.S. Castro; C.M. Aldao

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Influence of oxygen adsorption and diffusion on the overlapping of intergranular potential barriers in SnO_2 thick films

机译：氧的吸附和扩散对SnO_2厚膜中晶间势垒重叠的影响

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摘要

Complex impedance analysis and transient response studies in SnO_2 thick films show the impedance dependence on gaseous environment and temperature. Possible mechanisms responsible for the found behaviors are proposed. The influence of temperature on the oxygen diffusion into the grains annihilating oxygen vacancies was detected. In particular, we found the transition from having bulk regions unaffected by surface phenomena to the overlapping of potential barriers due to an oxidizing gas.

机译：SnO_2厚膜的复杂阻抗分析和瞬态响应研究表明，阻抗与气体环境和温度有关。提出了可能对发现的行为负责的机制。检测到温度对氧扩散到消除氧空位的晶粒中的影响。特别地，我们发现了从具有不受表面现象影响的主体区域到由于氧化气体而导致的势垒重叠的过渡。

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《Materials Science and Engineering. B, Solid-State Materials for Advanced Technology》 |2004年第1期|p.14-19|共6页
作者
M.A. Ponce; M.S. Castro; C.M. Aldao;
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作者单位

Institute of Materials Science and Technology (INTEMA), Universidad National de Mar del Plata-CONICET, Juan B. Justo 4302, B7608FDQ Mar del Plata, Argentina;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
tin oxide; electrical properties; schottky barriers; gas sensors;

机译：氧化锡;电性能;肖特基势垒;气体传感器;

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机译：Pd掺杂SnO_2厚膜中的氧吸附
2. Oxygen and carbon monoxide adsorption in SnO_2 thick films gas sensors [J] . M.A. PONCE, C.M. ALDAO, M.S. CASTRO Boletin de la Sociedad Espanola de Ceramica y Vidrio . 2002,第1期

机译：SnO_2厚膜气体传感器中氧气和一氧化碳的吸附
3. Conductivity in SnO_2 polycrystalline thick film gas sensors: Tunneling electron transport and oxygen diffusion [J] . C.M. Aldao, F. Schipani, M.A. Ponce, Sensors and Actuators . 2014,第mara31a期

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4. The Impact of the Nature of the Electrode Material on SnO_2 Thick Film Sensor Performance: Influence on Oxygen Adsorption [C] . S. Rank, S. Hafner, N. Barsan, European Conference on Solid-State Transducers . 2012

机译：电极材料性质对SnO_2厚膜传感器性能的影响：对氧气吸附的影响
5. Oxygen-induced diffusion-controlled intergranular cracking of structural alloys [D] . Pfaendtner, Jeffrey A. 1998

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7. The Impact of the Nature of the Electrode Material on SnO2 Thick Film Sensor Performance: Influence on Oxygen Adsorption [O] . Rank S., Hafner S., Barsan N., 2012

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Influence of oxygen adsorption and diffusion on the overlapping of intergranular potential barriers in SnO_2 thick films

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