报告题目 | Smallest Metallic Nanorods Using Physical Vapor Deposition |
报告人 | 牛晓滨 教授 |
报告人单位 | 电子科技大学 |
报告时间 | 2015-05-19 |
报告地点 | 合肥微尺度物质科学国家实验室(9004) |
主办单位 | 合肥微尺度物质科学国家实验室 |
报告介绍 | 报告摘要: Physical vapor deposition provides a controllable means of growing two-dimensional metallic thin films and one-dimensional metallic nanorods. While theories exist for the growth of metallic thin films, their counterpart for the growth of metallic nanorods is absent. Because of this absence, the lower limit of the nanorod diameter is theoretically unknown; consequently the experimental pursuit of the smallest nanorods has no clear target. We reports a closed-form theory that defines the diameter of the smallest metallic nanorods using physical vapor deposition. Further, we verify the theory using lattice kinetic Monte Carlo simulations and validate the theory using published experimental data. Finally, we carry out a series of theory-guided experiments to grow well-separated metallic nanorods of ~5 nm in diameter, which are the smallest ever reported using physical vapor deposition. |