典型文献
Microscopic insights into hydrophobicity of cerium oxide:Effects of crystal orientation and lattice constant
文献摘要：
Cerium oxide possesses intrinsic hydrophobic properties ascribed to the unique electronic structure.How-ever,the relationship between the crystal structure and hydrophobicity of cerium oxide has not been systematically studied.Herein,it is experimentally and theoretically demonstrated that the water con-tact angle(105.9°)of the(111)surface is higher than that(91.7°)of the(220)surface,associated with the lower surface free energy(28.44 mN/m)of(111)surface than that(38.48 mN/m)of(220)surface.Furthermore,cerium oxide films with(111)-terminated surface are annealed at 300℃and 600℃for 1 h,respectively.The lattice constant increases(5.4594 ?＜5.4613 ?＜5.4670 ?)with decreasing the annealing temperature(600℃＞300℃＞the as-deposited),leading to the increased water contact an-gle(96.7°＜96.8°＜99.0°).The First-principles calculation provides microscopic insights into the wetting mechanism,originating from the weakened adsorption capacity of the(111)surface for water molecules with the increasing lattice constant.
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作者姓名：
Dapeng Zhu;Weiwei Liu;Rongzhi Zhao;Zhen Shi;Xiangyang Tan;Zhenhua Zhang;Yixing Li;Lianze Ji;Xuefeng Zhang
作者机构：
Key Laboratory for Anisotropy and Texture of Materials(MOE),School of Materials Science and Engineering,Northeastern University,Shenyang 110819,China;Institute of Advanced Magnetic Materials,College of Materials and Environmental Engineering,Hangzhou Dianzi University,Hangzhou 310012,China
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引用格式：
[1]Dapeng Zhu;Weiwei Liu;Rongzhi Zhao;Zhen Shi;Xiangyang Tan;Zhenhua Zhang;Yixing Li;Lianze Ji;Xuefeng Zhang-.Microscopic insights into hydrophobicity of cerium oxide:Effects of crystal orientation and lattice constant)[J].材料科学技术（英文版）,2022(14):20-29
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0.585182
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