Liquid Crystal (8CB) Molecular Adsorption on Lithium Niobate Z-Cut Surfaces
Liquid Crystal (8CB) Molecular Adsorption on Lithium Niobate Z-Cut Surfaces
复制标题
铌酸锂 Z 切表面上的液晶 (8CB) 分子吸附
DOI:
10.1021/acs.jpcc.5b00894
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发表时间:
2015
影响因子:
3.7
通讯作者:
WG Schmidt
中科院分区:
文献类型:
--
作者:
C Braun;S Sanna;WG Schmidt
Density functional theory is used to study the adsorption of 4′-n-octyl-4-cyanobiphenyl (8CB) liquid crystal molecules on the lithium niobate (0001) and (0001̅) surfaces. The interface energy and configuration are found to depend strongly on the surface polarization and the molecular coverage. A flat adsorption configuration is most favored in the case of positive Z-cuts as well as for single, isolated molecules on both the positive and the negative Z-cut. With increasing coverage on negative Z-cuts, however, an upright-bonding configuration is preferred.
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