کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5426252 1395883 2007 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Water monolayer and multilayer adsorption on Ni(1 1 1)
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
Water monolayer and multilayer adsorption on Ni(1 1 1)
چکیده انگلیسی

Water adsorbed on Ni(1 1 1) forms an ordered, hydrogen bonded ice structure with a (2√7 × 2√7)R19° unit cell. The 2√7 wetting structure forms as islands and persists up to saturation of the first layer. Adsorption of a fraction of a monolayer more water into a second layer destroys the 2√7 registry and creates a disordered ice film. Gas adsorption measurements indicate that the wetting layer is completely covered by a second layer of water before thicker multilayer ice forms. As the second layer is completed the film orders to form an incommensurate crystalline ice film with a hexagonal LEED pattern, oriented to the Ni close packed rows. This ordered, incommensurate structure persists as the ice multilayer grows thicker.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface Science - Volume 601, Issue 1, 1 January 2007, Pages 268-273
نویسندگان
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