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|Title:||Wettability of Highly Conductive ZnO:Ga:Cl CVT Ceramics with Various Ga Content||Authors:||COLIBABA, Gleb
MONAICO, Eduard V.
|Issue Date:||2021||Source:||COLIBABA, Gleb; COSTRIUCOVA, Natalia; RUSNAC, Dumitru; BUSUIOC, Simon; MONAICO, Eduard. Wettability of Highly Conductive ZnO:Ga:Cl CVT Ceramics with Various Ga Content. In: Nanotechnologies and Biomedical Engineering. Ediția 5, 3-5 noiembrie 2021, Chişinău. Chişinău: Pontos, 2021, p. 114. ISBN 978-9975-72-592-7.||Conference:||Nanotechnologies and Biomedical Engineering||Abstract:||
ZnO:Ga:Cl ceramics were sintered using chemical vapor transport technique. Ga content was varied in a range of 0 10 mol %. The wettability of unpolished and polished surface of ZnO:Ga:Cl ceramics was investigated. The polished and etched surface of ZnO ceramics is in a hydrophilic state. The presence of Ga impurity leads to a strong increase in the water contact angle to 131. This behavior is attributed to a high concentration of free electrons, which suppress the formation of intrinsic surface defects acting as traps for water molecules. Air pockets on unpolished surfaces of ZnO:Ga:Cl ceramics are an additional factor that increases the water contact angle.
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