korean english


Home > 게시판 > 세미나

아래와 같이 콜로퀴움을 개최하오니 많이 참석해 주시기 바랍니다.

4시 20분부터 제1과학관 31214 e+강의실에서 다과를 준비하오니 많은 참석 부탁드립니다


아 래


제목: SPM Study of CVD Graphene on h-BN Film

연사: 송  영  재  교수님 (성균관대학교 SAINT, 물리학과)


일시: 2013년 10월 16일(수) 오후4:30


장소: 제1과학관 31214  e+첨단강의실 


초록: As an ideal substrate for graphene, hexagonal boron nitride (h-BN) has been utilized and studied extensively by transfer technique, which still has a high chance to have impurities at the graphene/h-BN interface. Here we present our Scanning Tunneling Microscopy (STM) and Spectroscopy (STS) study for atomic and electronic structure of CVD-grown graphene on h-BN film. High resolution STM image shows perfect honeycomb lattice structure of graphene on top surface and Moiré pattern indicating the structural interference patter with the underlying h-BN crystal. Non-disturbed electronic structure of graphene on h-BN film is also confirmed by spatially-resolved STS measurements, which show very sharp and symmetric V shape with a Dirac point at Fermi level. To confirm the graphene growth mechanism on h-BN film/Cu foil, careful Atomic Force Microscopy (AFM) and Kelvin Probe Force Microscopy (KPFM) measurements were performed on different thickness of h-BN film on a SiO2 substrate to unveil the catalytic origin of graphene growth on h-BN/Cu. These experimental results can explain the thickness dependence on the quality and coverage of graphene CVD-grown on h-BN/Cu.

번호 제목 날짜 조회 수
공지 <12/8(Thu.) 11:00am>노벨상 소개 강연 - 2016년 노벨 물리학상: 위상 응집 물리의 탄생 2016.11.28 1088882
316 2018학년도 1학기 콜로퀴움 일정 2018.01.03 111047
315 <4/27> RENO Reactor Neutrino Experiment 2011.04.18 110947
314 <4/15(수) 오후4:30분> Who is SHE? 2015.04.08 109454
313 2017학년도 2학기 콜로퀴움 일정 2017.07.04 109004
312 <4/9> Quantum oscillations at the LHC 2014.04.03 107848
311 <Dec. 2(Wed.) 4:30 PM> Next-generation solar cells for high photo-conversion efficiency 2015.11.25 107766
310 2014학년도 2학기 콜로퀴움 일정 2014.09.11 107176
309 <6/1> Electron phonon coupling effect in 4d transition metal oxide magnetism 2011.05.26 106935
308 <Nov.18(Wed.)>When Physics meets the Living Cells 2020.11.11 106236
307 <5/9> Nonequilibrium Critical Phenomena: Fractals and Self-Organized Criticality 2008.05.06 105748
306 <Nov.7(Wed.) 4:30 PM> Hidden-in-bulk Phase Transitions in Artificial Quantum Materials 2018.10.31 105734
305 2014학년도 1학기 콜로퀴움 일정 2014.03.03 105479
304 <10/8(수> Astrophysical probes of Dark Matter, the case of the Milky Way 2014.10.01 105271
303 <Mar. 29(Wed.) 4:30 PM>Search for New Elements 2017.03.22 105008
302 <10/10> Spin transistor : Detection and manipulation of spin transport in semiconductor 2012.09.27 104831
301 <5/11> Hybrid Josephson Junctions of Various Nanostructures 2011.05.04 104189
300 영어초록 예시 2008.03.18 102879
299 <5/18> Three magics to hold an atom without perturbation 2011.05.09 101156
298 <4/10> Mapulation of spins in organic compounds 2013.04.03 100430
297 <11/19> From Schrödinger's cat to quantum technology using light 2010.11.11 100396