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Simon Fraser University의 Iain David McKenzie교수님을 초청하여 아래와 같이 특별 세미나를 개최합니다.

학과 구성원 여러분의 많은 참석을 부탁 드립니다. 


         아             래  


     1. 일시: 2013년 11월 5일(화) 오전 11시 


     2. 장소: 제1과학관 31317호실 기초과학연구소세미나실


     3. 초청연사: Iain David McKenzie  교수님 (Department of Chemistry, Simon Fraser University


     4. 제목:  Studying Materials Using Radioactive Local Probes: 
               An Introduction to the μSR and βNMR Techniques


     5. Abstract: The Centre for Molecular and Materials Science (CMMS) at TRIUMF provides intense beams of spin-polarized muons and radioactive ions for Canadian and international researchers to probe materials at the molecular level. Material properties are determined using a series of magnetic resonance techniques known as μSR (muon spin rotation, relaxation and resonance) and βNMR (beta-detected nuclear magnetic resonance) that exploit the parity violating decay of the probes. I will review the μSR technique and give examples of how it can be used to obtain unique information about a wide range of phenomena in physics and chemistry, such as magnetic ordering and spin dynamics, internal field distributions in superconductors and the behaviour of free radicals in bulk materials. I will introduce the βNMR technique and show that it provides a window into magnetism, superconductivity and polymer dynamics near surfaces, at buried interfaces and in thin films. 
The CMMS facility is in the middle of a large expansion. One new μSR beam line with two end stations and the capability of performing high frequency and long time range measurements is being commissioned and a second new μSR beam line is nearing completion. We are also expecting a three-fold increase in the time available for βNMR experiments due to the construction of the Advanced Rare Isotope Laboratory (ARIEL). We are actively seeking new experiments to make use of our world-leading facilities.


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