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제목 [4/25][colloquium] Electron Spin Resonance of single atoms on a surface
작성자 물리학과홈피 등록일 2017-04-21 오후 4:23:17 조회수 108
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날짜 : 4월 25일
 
시간 : 오후 4시 30분
 
장소 : R404
 
연사 :  Andreas Heinrich 교수님(이화여대 IBS)
 
제목 : Electron Spin Resonance of single atoms on a surface
 
내용: 
The scanning tunneling microscope is an amazing experimental tool because of its atomic-scale spatial resolution. This can be combined with the use of low temperatures, culminating in precise atom manipulation and spectroscopy with microvolt energy resolution. In this talk I will apply these techniques to the investigation of the quantum spin properties of transition metal atoms on surfaces. We will conclude with our recent measurements of electron spin resonance in an STM on individual Fe atoms supported on an insulating thin film, offering unprecedented energy resolution on the atomic scale. This tool can be used as an ESR sensor to measure the magnetic field (dipolar interaction) from neighboring atoms, enabling the high-precision measurement of the magnetic moment of individual atoms on surfaces.
 
 
 



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