Surface structure of alanine on Cu(110) studied by fast atom diffraction.
Surface structure of alanine on Cu(110) studied by fast atom diffraction.
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快原子衍射研究 Cu(110) 上丙氨酸的表面结构
DOI：
10.1103/physrevlett.111.137601
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发表时间：
2013
影响因子：
8.6
通讯作者：
H. Winter
中科院分区：
文献类型：
--
作者：
J. Seifert;M. Busch;E. Meyer;H. Winter
我们证明了掠入射下快原子和分子的量子散射可以用来研究金属表面上有机分子的结构。利用keV的氢原子和氦原子以及分子，研究了手性氨基酸丙氨酸吸附在<?format ?>研究了Cu（110）表面。本文详细研究了对映体纯丙氨酸和外消旋丙氨酸在Cu（110）上的单层膜的（）相，揭示了丙氨酸分子中突出的甲基形成了一个对称的拉长的表面晶胞。
We demonstrate that quantum scattering of fast atoms and molecules under grazing angles of incidence can be exploited to study the structure of organic molecules on metal surfaces. Making use of keV H and He atoms as well asmolecules, the surface structures of the chiral amino acid alanine adsorbed on a <?format ?>Cu(110) surface is studied. We present a detailed investigation on the () phase of a monolayer of enantiopure and racemic alanine on Cu(110), revealing the formation of an elongated surface unit cell ofsymmetry withfor the sticking out methyl groups of the alanine molecules.