报告介绍 报告摘要：　　Recent experiments have revealed the possibility of achieving sizeable Coulomb interaction driven gapped phases in dual gated rhombohedral multilayer graphene devices where carrier densities and perpendicular electric fields can be simultaneously controlled. Of particular importance are the pentalayer and tetralayer devices whose spontaneous gaps of the order of ten meV are attributabl...

报告介绍 Abstract:　　VeloxChem is a science- and educational-enabling software platform for quantum molecular modeling at the levels of DFT and TDDFT. It is strictly object-oriented and written in a hybrid of the Python and C++/CUDA/HIP programming languages and it implements extremely e cient parallelism through MPI and OpenMP. Noteworthy functionalities include real and complex response functions up to cu...

Abstract:　　VeloxChem is a science- and educational-enabling software platform for quantum molecular modeling at the levels of DFT and TDDFT. It is strictly object-oriented and written in a hybrid of the Python and C++/CUDA/HIP programming languages and it implements extremely e cient parallelism through MPI and OpenMP. Noteworthy functionalities include real and complex response functions up to cubic order with geo...

报告介绍 报告摘要：　　光与物质相互作用是各种光学现象与光电子器件的物理基础，把光场局域到很小的空间体积中是获得高效率光与物质相互作用的一个重要途径，因此纳米光学在过去的几十年中受到人们的广泛关注。近年来，随着超精密纳米加工技术的突破性进步和纳米材料科学的蓬发展，使得深纳米尺度--10nm以下乃至原子尺度--的材料结构和器件组装成为可能。在这个报告中，我们将一起探讨深纳米尺度下光与物质相互作用的基础科学问题、困难挑战...

报告介绍 Abstract：　　Along with the remarkable progress in the field of organic, quantum dot based- and recently emerged perovskite optoelectronics, solution-processed semiconductors have shown unprecedented successes. However, the characterization of these novel semiconductors is very challenging due to the highly disordered structure, low conductivity and relatively short charge carrier lifetimes. In thi...

报告介绍 Abstract：         Quantum interference is the heart of quantum mechanics. It occurs when two or more quantum states overlap, leading to a combined probability amplitude that can result in constructive or destructive interference. Prof. Schulz will present the quantum interference at single atom/molecule level. The experiment was performed by proton impact-induced dissociati...

报告介绍 报告摘要：　　Visible light irradiation covers a range of wavelengths that corresponds to 40-70 kcal/mol of energy. While blue and purple light is most common and enabling, the use of these wavelengths has limitations with respect to substrate scope and material penetration. We have developed a suite of Os-based catalysts that undergo spin forbidden excitation directly to the triplet state in the de...

报告介绍 Abstract:　　The goal of slowing the rate of aging is a huge challenge because ofthe intricatecomplexity of the human body. However, the capabilities of computational and analyticaltechnologies have been and are likely to continue increasing exponentially, bringing withinrange the ability to model the aging process accurately enough to design effective age-retarding therapies. Employment of the comp...

报告介绍 报告摘要：　　Quantum entanglement is the cornerstone of quantum communication and computation. The generation and distribution of entangled quantum states are fundamental to ensure seamless communications across various network nodes. Yet traditional optical elements like waveplates and polarization beam splitters are usually bulky and heavy and do not meet the requirements for miniaturizing and in...

报告介绍 报告摘要：　　Tip-enhanced Raman spectroscopy (TERS), which combines scanning probe microscopy and plasmon-enhanced Raman spectroscopy, is capable of simultaneously obtaining the topographical and Raman fingerprint information at nanometer spatial resolution. I will introduce our current efforts in developing electrochemical TERS technique as well as some recent studies related to surface and interf...

报告介绍 报告摘要：　　手性是自然界许多物体的基本属性之一，对生命活动和物质性能有重要作用。分子、超分子、纳米结构等多层次手性物质的精准构建与功能开发是手性科学的核心研究内容。基于分子间非共价相互作用的自组装是创制分子以上层次手性物质的重要途径，然而，受限于非共价作用较弱的键能以及跨尺度手性传递策略缺乏，如何从分子出发，精准构建纳米、微米乃至更大尺度的手性组装结构仍然面临挑战，体现在维度、拓扑、分散度等结构属...

报告介绍 Abstract: 　　The discovery of graphene two decades ago sparked a revolution in the study of 2D materials. Due to their inherently two-dimensional nature and Van der Waals interactions with other surfaces, 2D materials are highly sensitive to their environment. These unique characteristics have driven significant advancements in emergent functional quantum materials, particu...

报告介绍Abstract: 　　The discovery of graphene two decades ago sparked a revolution in the study of 2D materials. Due to their inherently two-dimensional nature and Van der Waals interactions with other surfaces, 2D materials are highly sensitive to their environment. These unique characteristics have driven significant advancements in emergent functional quantum materials, particularly in combining graphene with co...

报告介绍 Abstract：　　The electronic and magnetic properties of solids are fundamentally determined by the crystal structures. When the structure keeps evolving, the properties are usually determined by the instantaneous lattice configurations, but this may not always be true. Typical lattice vibration involves atoms oscillating back and forth around their equilibrium positions, and one would expect the per...

报告介绍 报告摘要：　　在本报告中，我将介绍第一性原理计算和半经典玻尔兹曼输运理论相结合的方法来深入探讨了一系列材料的磁输运现象，特别是磁阻效应和霍尔效应。首先我们将阐述传统的洛伦兹力和材料的费米面形状在体材料的磁电输运中起到至关重要的作用；其次，我们还探讨了窄隙半导体如ZrTe5中的异常电阻峰值和霍尔电阻率符号反转问题，强调了多载流子动力学和费米面几何的重要性；最后，我们将介绍贝利曲率和洛伦兹力共同作用导致的负...

报告介绍 报告摘要：　　当人为地将自然界中不兼容的原子结构、晶体学取向和物理功能整合时，界面处的相互作用会诱导出许多意想不到的功能。这些结构和功能对未来电子技术的操纵、功能化和应用极其具有价值。然而，实现无所限制的集成这些材料，并实现相应的电子器件仍然极具挑战性。这是因为制造技术现在还有许多限制，界面质量也还差强人意。特别是，由于生长动力学不相容和晶格失配较大，氧化物与其他新兴材料或现有的硅技术的异质集成尤其...