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We have investigated the origin of “atomically flat” and “single-crystalline” growth of Bi films on Si(111)-7×7 through comparative experiments using Si(111)-β-√3×√3-Bi as a control system. On the Si(111)-7×7 substrate, the majority of initial nuclei stabilize with pseudocubic (PC) paired layers analogous to the black phosphorus (BP) structure, and grow in a strong two-dimensional fashion that results...
Two-dimensional (2D) nano-objects, such as metallic nanofilms are the most fundamental building blocks for nanoelectronics devices. However, the fabrication of highly ordered nanofilms has been difficult because of well known Stranski–Krastanov growth, which results in rough growth front and high density grains. Here we report on the unusual high-quality film growth of Bi on a Si surface with atomic-level...
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