报告题目：Geometry, Chirality and Materials Science
报告人：Prof. Alessandro Stroppa
Consiglio Nazionale delle Ricerche (CNR)
报告时间：2023年9月8日 14:00-16:00
报告地点：江湾校区一号交叉楼A5005
摘要：Chirality is an important structural property: right-handed and left-handed chiral materials have identical chemical composition and connectivity, but they are related by mirror transformation, forming a couple of enantiomers. Chiral materials show unique features: the intrinsic non-centrosymmetry leads to optical rotation, circular dichroism (CD), second-harmonic generation (SHG), piezoelectricity, pyroelectricity, ferroelectricity, and topological quantum properties. In this talk, I will discuss the intriguing interplay between chirality and physical properties in innovative materials, ranging from twisted bilayers (non-magnetic as well magnetic) to chiral hybrid organic-inorganic perovskites.
References：
[1] K. Yananose, G. Cantele, P. Lucignano, S.-W. Cheong, J. Yu, and A. Stroppa, Phys. Rev. B. 104 (2021) 075407.
[2] K. Yananose, P. G. Radaelli, M. Cuoco, J. Yu, and A. Stroppa, Phys. Rev. B. 106 (2022) 184408.
简介：Alessandro Stroppa (July 14th 1976) is a Research Director of the CNR-SPIN Institute (Italy) and deputy director of the research unit in L’Aquila (Italy). He received his PhD in Theoretical Condensed Matter Physics from University of Trieste (Italy) in 2006 and he continued his research in computational materials science at University of Vienna in the group of Prof. Georg Kresse (VASP Team). After 2009, he joined the CNR in Italy where he became permanent staff in 2012. He is contract professor at University of L’Aquila (Italy), and invited professor at Shanghai and South East University (China).
His current research areas deal with solid-state physics and material science. Specifically, he is interested in 3D and 2D hybrid inorganic-organic perovskites, nonmagnetic and magnetic 2D systems with special focus on photo-ferroic, multiferroic, magnetoelectric, twistronic, topological, magneto-optical and non-linear optical properties, skyrmions, etc. He has great experience with Density Functional Theory (DFT) methods for the study of the structural, electronic and magnetic properties using all-electrons as well as pseudopotential approaches implemented in numerical codes. He has published about 138 peer-reviewed papers (h-index=43, Total citations 6744) in theoretical condensed matter also in collaboration with experimentalists. In 2017, 5 of his papers were Highly Cited (Source: Web of Science). He is on the World’s top 2% scientists lists published by Stanford University since 2019. He received honors
such as the ‘Best 2008 New Journal of Physics Collection’; Research Highlight talk at EUROMAT 2013; Best oral talks at Italian Physical Society conferences in 2005 and 2011; Certificate of appreciation for “his important contributions to the theoretical understanding of microscopic mechanisms of multiferroicity and magnetoelectricity in perovskite metal-organic frameworks” by Nature Conference (Nankai University, 2019). He is carrying out an intense outreach activity for middle and primary schools.
