Hybrid interfaces of biological molecules and metals: The prototypical case of adenine on Cu(110)
Hybrid interfaces of biological molecules and metals: The prototypical case of adenine on Cu(110)
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DOI：
10.1063/1.3430743
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发表时间：
2010-05
影响因子：
4.4
通讯作者：
F. Bussolotti;R. Friedlein
中科院分区：
文献类型：
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作者：
F. Bussolotti;R. Friedlein
用紫外光电子能谱和反射高能电子衍射研究了腺嘌呤在Cu（110）表面化学吸附薄膜的电子和结构性质。分子重新取向在特定的覆盖范围约0.3 ML从无序的平躺到一个远程有序的站立相伴随着显着的变化所提供的极性分子的固有偶极矩的排列的界面偶极子。观察到类似的混合界面状态的有序平躺和站立的层，这表明可比的原子特定位点的N-Cu相互作用。
Electronic and structural properties of thin, chemisorbed adenine films on Cu(110) have been investigated by ultraviolet photoelectron spectroscopy and reflection high-energy electron diffraction. Molecular reorientation at the particular coverage of about 0.3 ML from a disordered flat-lying to a long-range ordered standing-up phase is accompanied by pronounced changes of the interfacial dipole provided by the alignment of the intrinsic dipole moment of the polar molecule. Similar hybrid interfacial states are observed for ordered flat-lying and standing-up layers, suggesting comparable atomic site-specific N–Cu interactions.