Electron transport in canbon nanotubes encapsulating fullerene-based structures플러렌에 기반한 구조를 내부에 가진 탄소 나노튜브의 전자 수송에 관한 연구

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For two hybrid nanotube systems of (10,10) tubes which contain respectively a finite capped (5,5) tube (capsule) and a long chain of C$_{60}$`s, we study electron transport numerically and analytically. We find that the structural symmetries give distinguishable features to transmission. For the (10,10) tube containing the (5,5) capsule, antiresonances occur by the contribution of additional channels of the (5,5) capsule. The presence of mirror symmetries in cross sections cause symmetric lineshapes, while the mirror symmetry breaking leads asymmetric lineshapes. On the other hand, for the (10,10) tube containing the C$_{60}$ chain, transmissions present the features such as antiresonance, resonance, and transmission gap which depend on the mirror symmetries and the rotational symmetries in the cross sections. These results come from the fact that the structural symmetries determine the state-mixing of the inner structures and the outer tubes.
Advisors
Chang, Kee-Jooresearcher장기주
Description
한국과학기술원:물리학과,
Publisher
한국과학기술원
Issue Date
2001
Identifier
166003/325007 / 000993073
Language
eng
Description

학위논문(석사)- 한국과학기술원: 물리학과, 2001.2, [ i, 34 p. ; ]

Keywords

nanotube; fullerene; 전자 수송; 나노튜브; electron transport; 플러렌

URI
http://hdl.handle.net/10203/196116
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=166003&flag=dissertation
Appears in Collection
PH-Theses_Master(석사논문)
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