中关村论坛 170
题目: Nano-Spintronics with Quantum Dots
时间: 2009年10月26日 10:30
地点: 中科院物理研究所D楼210会议室
报告人: Dr. P. Hawrylak
Institute for Microstructural Sciences (IMS), National Research Council (NRC) of Canada, Canada
报告摘要
The emerging area of nano-spintronics focuses on developing the means of exploiting spin properties at the nanoscale, with a single electron spin, single magnetic ion spin, and polarization of a single photon as ultimate limits. I will review our recent work on nano-spintronics with gated , self-assembled and graphene quantum dots carried out at IMS NRC with focus on two ways of controlling spin: through Pauli exclusion principle and via spin-orbit interaction. Some effects covered include “single spin transistor”, magnetic frustration and topological Hunds rules in quantum dot networks, spin textures in lateral and graphene quantum dots, optical detection of spin polarization, RKKY spin-spin interactions and SO coupling of spin, angular momentum, and parity in quantum dot molecules.
报告人简介
Dr. Pawel Hawrylak received PhD in Condensed Matter Theory from the University of Kentucky, Lexington, Ky, USA, in 1984, did postdoctoral research at Brown University, Providence, RI, USA, and joined the National Research Council of Canada (NRC) in 1987. He is currently Principal Research Officer and Leader of the Quantum Theory Group at the Institute for Microstructural Sciences (IMS) as well as Adjunct Professor of Physics at the University of Ottawa and a member of the Canadian Institute for Advanced Research (CIAR) Nanoelectronics Programme. His interests in last 20 years were focused on theoretical and computational nanoscience, and in particular on the electronic and optical properties of correlated electrons in semiconductor nanostructures for quantum information, nano-spintronics, and nano-photonics.
联 系 人:2009年中关村论坛主持人 曹则贤研究员(82649136)