ORIENTATIONAL EPITAXY - ORIENTATIONAL ORDERING OF INCOMMENSURATE STRUCTURES
ORIENTATIONAL EPITAXY - ORIENTATIONAL ORDERING OF INCOMMENSURATE STRUCTURES
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DOI：
10.1103/physrevlett.38.1286
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发表时间：
1977-01-01
影响因子：
8.6
通讯作者：
MCTAGUE, JP
中科院分区：
文献类型：
--
作者：
NOVACO, AD;MCTAGUE, JP
一类新的结构被预测存在于固体表面上的单层膜。这些结构涉及两个不相称的晶格-单层晶格和表面晶格-这具有优选的相对取向。精确的取向取决于每个晶格的晶格常数和对称性。我们相信这种取向有序的无公度相存在于许多物理吸附膜中。特别是，这一阶段的存在似乎可以解释最近的低能量电子衍射数据的稀有气体吸附均匀基板。
A new class of structures is predicted to exist for monolayer films on solid surfaces. These structures involve two incommensurate lattices—the monolayer lattice and the surface lattice—which have a preferred relative orientation. The precise orientation depends upon the lattice constant and symmetry of each lattice. We believe this orientationally ordered incommensurate phase to be present in many physisorbed films. In particular, the existence of this phase appears to explain recent low-energy electron diffraction data for rare gases adsorbed homogeneous substrates.