搜索结果: 1-5 共查到“原子分子物理学 Nano”相关记录5条 . 查询时间(0.031 秒)
苏州纳米所赵志刚团队Nano Energy：单原子压电应用取得新进展（图）
赵志刚 单原子 压电应用 催化性能
2023/7/19
压电现象源于材料的非中心对称结构，这种结构依赖性严重限制了压电材料种类。理论上，基于表面修饰的对称性破缺可用于增强材料压电性能。例如，密度泛函理论（DFT）计算结果表明，中心对称的石墨烯可通过特定原子(F、H)的选择性吸附获得压电响应，但此类研究大多局限于理论模型，实验手段难以实现。2022年来，单原子在催化领域受到了广泛关注，研究者利用金属原子与载体的配位作用改变材料表面化学结构，获得催化性能提...
New 'refrigerator' super-cools molecules to nano-Kelvin temperatures（图）
New refrigerator super-cools molecules nano-Kelvin temperatures
2020/4/17
For years, scientists have looked for ways to cool molecules to ultracold temperatures, at which point the molecules should slow to a crawl, allowing scientists to precisely control their quantum beha...
Numerical Simulation of Nano Scanning in Intermittent-Contact Mode AFM under Q control
Numerical Simulation Nano Intermittent-Contact Mode AFM Q control Atomic Physics
2012/4/24
We investigate nano scanning in tapping mode atomic force microscopy (AFM) under quality (Q) control via numerical simulations performed in SIMULINK. We focus on the simulation of whole scan process r...
Adaptive Q control for Tapping-mode Nano-scanning Using a Piezo-actuated Bimorph Probe
Adaptive Q control Tapping-mode Nano-scanning Piezo-actuated Bimorph Probe Atomic Physics
2012/4/24
A new approach, called Adaptive Q-control, for tapping-mode Atomic Force Microscopy (AFM) is introduced and implemented on a home-made AFM set-up utilizing a Laser Doppler Vibrometer (LDV) and a piezo...
