Вплив вологості атмосфери на електрохімічні параметри анодних плівок діоксиду цирконію
A study of electrochemical properties of ZrO2 anode oxide films in the temperature range 300–600 К caused by adsorption-desorption and electron-ionic processes has been carried out. It has been found that conductivity in metal-oxide-metal structures at 300–380 К is determined by humidity and the sup...
Збережено в:
| Дата: | 2011 |
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| Автори: | , |
| Формат: | Стаття |
| Мова: | Russian |
| Опубліковано: |
Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine
2011
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| Онлайн доступ: | https://www.cpts.com.ua/index.php/cpts/article/view/102 |
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| Назва журналу: | Chemistry, Physics and Technology of Surface |
Репозитарії
Chemistry, Physics and Technology of Surface| Резюме: | A study of electrochemical properties of ZrO2 anode oxide films in the temperature range 300–600 К caused by adsorption-desorption and electron-ionic processes has been carried out. It has been found that conductivity in metal-oxide-metal structures at 300–380 К is determined by humidity and the superficial potential barrier formed due to chemisorption of OH- ions on oxide surface. The peak of thermo-stimulated currents at 450 К is caused by thermo-stimulated desorption of these ions accompanied with electron emission. In the temperature range 450–600 К electrochemical properties are controlled by desorption of these anions from the surface of the films and by oxidation of zirconium matrix. |
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