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Chirality induced by surface strain studied using scanning tunneling microscopy

机译:使用扫描隧道显微镜研究表面应变诱导的手性

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We present a scanning tunneling microscopy study of a thermally annealed oxygen covered Cu(110) -(2×1)-O surface. The thermal annealing results in step bunching followed by formation of strained terraces. The mechanical strain causes local compression of the Cu lattice accompanied with reflection symmetry breaking as measured by comparative analysis of the atomically resolved topographies. On the strained terraces the oblique Cu lattice favors oxygen rearrangement into a chiral adsorption phase. Chiral surface organization is evidenced by formation of enantiomorphic domains on the strained terraces.
机译:我们目前的热退火氧覆盖铜(110)-(2×1)-O表面的扫描隧道显微镜研究。热退火导致步骤聚束,随后形成应变平台。机械应变导致铜晶格的局部压缩,伴随着反射对称性的破坏,这是通过原子解析的形貌的比较分析测得的。在应变平台上,倾斜的铜晶格有利于氧重排成手性吸附相。手性表面组织通过在应变阶地上形成对映体域来证明。

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