korean english


Home > 게시판 > 세미나

아래와 같이 세미나를 개최하오니 많이 참석해 주시기 바랍니다. 아 래 제목: Organic-based Magnet and Organic-based spintronics : New science and Technologies 연사: 유 정 우 박사 (The Ohio State University) 일시: 2010년 4월 27일(화) 오후 4:00~6:00 장소: 기초과학연구소 세미나실 (31317호실) 초록: Molecule/organic-based magnets are relatively new materials created by chemical synthesis targeting magnetic properties at the macroscopic and/or molecular level [1]. These materials, ranging from solely organic to organic-inorganic hybrid complexes, exhibit scientific richness in both physics and chemistry. The ability to control both the magnetic and structural properties of these materials through organic, organometallic, and coordination metal chemistry allows creating an experimental platform for the various theoretical models. Particularly interesting phenomena in this class of magnets is “magnetic bistability”, which often can be controlled by the optical excitations. Besides those unique magnetic phases and phenomena, the electronic structures of these materials also suggest significant potential for the emerging field of spintronics. In this talks, I will discuss recent development on the applications of organic-based magnetic/nonmagnetic semiconductor for the spintronics. We demonstrated all main ingredients of the spintronic operations, the spin injection/detection/transport/polarizing within/between organic non-magnetic/magnetic semiconductors. The thorough study of the device characteristics unravels the physical mechanisms concerning how the spins are transferred into and through an organic semiconductor [2]. In addition, the room temperature organic-based magnet, V(TCNE: tetracyanoethylene)x was successfully incorporated into the standard magnetic tunnel junction devices [3]. Our results unambiguously demonstrate spin filtering through a V(TCNE)x magnetic semiconductor film, wherein spin polarized carriers tunnel through the hybrid barrier while effectively conserving their spin polarization. The exploiting spin polarization in carbon-based system will certainly give a birth of a new paradigm of molecule-based magnetic electronics.
번호 제목 날짜 조회 수
공지 <12/8(Thu.) 11:00am>노벨상 소개 강연 - 2016년 노벨 물리학상: 위상 응집 물리의 탄생 2016.11.28 1079327
» <4/27> Organic-based Magnet and Organic-based spintronics : New science and Technologies 2010.04.22 118040
85 <4/2> Supersymmetric vacua of mass-deformed M2-brane theory 2010.03.29 91216
84 <2/16>Development of Micromegas detectors for neutron physics 2010.02.01 113956
83 <2/1> The Surface Science of Adsorption on Crystalline Ferroelectric Polymer Surfaces 2010.01.25 110803
82 <1/28> Steps towards a non-relativistic AdS/CFT 2010.01.25 121603
81 <12/19> The BLG Theory in Light-Cone Superspace 2009.12.15 99213
80 <12/14> Breakup-Fusion and Knockout-Fusion Approach to Pre-Equilibrium Processes 2009.12.11 95925
79 <11/27> 중성자로 보는 작은 세상 속 큰 물리 2009.11.24 97543
78 <11/4>Plasmonic Properites of Metallic Nanostructures 2009.10.30 93252
77 <10/9> Smearing effect of membrane in plane-wave matrix model 2009.10.05 97643
76 <10/15> An Ideal Mean-Field Transition in a Driven Interacting System 2009.09.30 105342
75 <9/15> Resistance Switching Behavior of Epitaxially Grown NiO Thin Films 2009.09.07 156698
74 <8/11>Cooking up elements in the universe: Recent activities at HRIBF 2009.08.11 108573
73 <8/5>Brane superpotential via local Calabi-Yau spaces 2009.08.03 117320
72 <7/15> Experiment for Discoveries of Extrasolar Planets 2009.07.13 100500
71 <7/17> Atomic-scale polar oxide heterostructures: Growth and interfacial properties 2009.07.13 105390
70 <7/8> 신물질 고온초전도 초청강연 2009.06.26 88360
69 <6/17> Oscillating Fuzzy Sphere and M5/anti M5 configurations in ABJM model 2009.06.16 247616
68 <6/17> Molecular dynamics simulation to study amorphous structure of Ge2Sb2Te5 2009.06.03 86974
67 <6/18> Multiferroics: Magnetism-driven Ferroelectricity 2009.05.27 115936