Aperiodic crystals in low dimensions
2016.05.10 18:55
장소 | E6. #1501(1st fl.) |
---|---|
일시 | May 13 (Fri.), 1:30 PM |
연사 | Dr. Young-Woo Son, Dept. of Physics, KIAS |
Aperiodic crystals in low dimensions
May 13 (Fri.), 1:30 PM, E6. #1501(1st fl.)
Dr. Young-Woo Son, Dept. of Physics, KIAS
The cylindrical multishell structure is one of the prevalent atomic arrangements in nanowires. Being multishell, the well-defined atomic periodicity is hardly realized in it because the periodic units of individual shells therein generally do not match except for very few cases, posing a challenge to understanding its physical properties. Here we show that moire patterns generated by superimposing atomic lattices of individual shells are decisive in determining its electronic structures. Double-walled carbon nanotubes, as an example, are shown to have spectacular variations in their electronic properties from metallic to semiconducting and further to insulating states depending on their moire patterns, even when they are composed of only semiconducting nanotubes with almost similar energy gaps and diameters. Thus, aperiodic multishell nanowires can be classified into one-dimensional moire crystals with distinct electronic structures.
Contact: Eun Gook Moon, Physics Dept., (egmoon@kaist.ac.kr)
댓글 0
번호 | 일시 | 장소 | 연사 | 제목 |
---|---|---|---|---|
276 | February 12(Web.) | E6-2, #5318 | Prof. Kunio Kaneta |
From inflation to new weak-scale
![]() |
275 | October 24 (Wed.), 10:30 AM | E6-1, Lecture Room 1501(1F) | Prof. Kerry J. Vahala |
Photonic integration of next-generation clocks and Hertz-absolute-accuarcy optical frequenncy synthesizers
![]() |
274 | June 14 (THU), 10:00 AM | E6-2, 2nd fl. #2502 | Prof. Kenji Toyoda |
Phonons and polariton-like particles in trapped ions for quantum computation and quantum simulation
![]() |
273 | DEC. 16~18 (Sun~Tue) | E6-2. 1st fl. #1323 | Prof. Keisuke Totsuka |
Lectures on 2d Conformal Field Theory
![]() |
272 | MAR. 26 (TUE), 0300 PM | E6-2. 2st fl. #2501 | Prof. Jung Hoon Han |
Consideration of thermal Hall effect in frustrated and un-frustrated quantum magnets
![]() |
271 | June 3rd, Fri. 9:30 AM | Online seminar | Prof. Juejun Hu ( Massachusetts Institute of Technology) |
(Quantum-&Nano-Photonics Webinar) Seeing glass in a new light: reimagine chalcogenide photonics
![]() |
270 | October 11 (Thu.), 16:00 PM | #1323, E6-2 | Prof. Joung-Real Ahn |
Dirac electrons in a graphene quasicrystal
![]() |
269 | October 29 (Tue.), 14:30 PM | #1323, E6-2 | Prof. Jörg Wrachtrup |
Quantum sensing
![]() |
268 | May 2 (Thu.), 4:00 PM | #1323, E6-2 | Prof. Joon Ik Jang |
Anomalous optical properties of halide perovskites
![]() |
267 | April 11 (Thu.), 16:00 PM | #1323, E6-2 | Prof. Joo-Hyoung Lee, GIST |
Massive screening for cathode active materials using deep neural network
![]() |
266 | September 20 (Thu.), 16:00 | #1323, E6-2 | Prof. Joo-Hiuk Son |
Toward Cancer Treatment Using Terahertz Radiation: Demethylation of Cancer DNA
![]() |
265 | October 18 (Thu.), 16:00 PM | #1323, E6-2 | Prof. Jongseok Lee |
Applications of nonlinear optics for condensed matter researches
![]() |
264 | May 9 (Wed.), 04:00 PM | #1323, E6-2 | Prof. Jong-Soo Rhyee |
Recent advances in thermoelectric bulk composites
![]() |
263 | 2017.1.9(Mon), 4PM | Lecture Hall, College of Natural Sciences [#1501,E6-2] | Prof. John Michael Kosterlitz, Brown University |
Topological Defects and Phase Transitions"
![]() |
262 | Jul. 28 (Thu.) 4PM | #1323(E6-2. 1st fl.) | Prof. Johannes Pollanen, Jerry Cowen Chair of Experimental Physics at Michigan State University | Low Dimensional Electrons: On the Road to Hybrid Quantum Systems |
261 | April 23 (Tue.), 4:00 PM | #1323, E6-2 | Prof. Johan Chang |
From Mott physics to high-temperature superconductivity
![]() |
260 | July 21, 2022 (Thu) 4:00 PM(KST) | CAPP Seminar Room C303, Creation Hall, KAIST Munji Campus | Prof. Jihn E. Kim (Kyoung Hee University) |
Quintessential axions
![]() |
259 | November 14 (Thu.), 16:00 PM | #1323, E6-2 | Prof. Ji-Hun Kang |
Semi-classical model of polariton propagation
![]() |
258 | Dec. 15 (Fri.), 9:20 AM | E6-2, Lecture Room #1323 | Prof. Jhinhwan Lee 외 9명 |
Workshop on Magnetism in Unconventional Superconductors 개최
![]() |
257 | November 7 (Thu.), 16:00 PM | #1323, E6-2 | Prof. Je-Hyung Kim |
Integrated quantum photonics with solid-state quantum emitters
![]() |