로스알라모스의 김지훈 박사님을 초빙하여 아래와 같이 특별 세미나를 개최합니다.

학과 구성원 여러분의 많은 참석을 부탁 드립니다. 

         아             래  

     1. 일시: 2013년 3월 12일(화) 오후 2시~4시 

     2. 장소: 학술정보관 2층 presentation room 

     3. 초청연사: 김 지 훈  박사님 (Los Alamos National Laboratory) 

     4. 제목: Studies of the magnetic penetration depth in superconductivity and metastable magnetic materials by magnetic force microscopy

     5. 초록: Room-temperature scanning probe microscopy (RT-SPM) is widely used to study electronic and magnetic properties at the sub-micron scale in basic and applied science. By analogy with RT-SPM, low-temperature SPM (LT-SPM) such as magnetic force microscopy (MFM) is a key tool to investigate phase transitions at low temperature, such as ferromagnetism and superconductivity. In this talk, I will present MFM studies of superconductivity including its application and of unconventional magnetic materials with magnetic metastable states. Recently, we developed a novel technique to measure the absolute value of the magnetic penetration depth in superconductors by magnetic force microscopy (MFM). This technique has been applied to unconventional superconductors, such as borocarbides and pnictides, to investigate superconducting properties. Also, direct visualization of the interaction between magnetism and superconductivity will be present in an unconventional ferromagnet-superconductor hybrid.