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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.25 No.2
- 발행연도
- 2016.3
- 수록면
- 36 - 41 (6page)
이용수
초록· 키워드
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Similarity and diversity of various quantum ring structures are investigated by classifying energy dispersions of three different structures: an electrostatic quantum ring, a magnetic quantum ring, and a magnetic-electric quantum ring. The wave functions and the eigenenergies of a single electron in the quantum ring structures are calculated by solving the Schrdinger equation without any electron-electron interaction. Magnetoconductance is studied by calculating a two-terminal conductance while taking into account the backscattering via the resonance through the states of the quantum rings at the center of a quasi-one dimensional conductor. It is found that the energy spectra for the various quantum ring structures are sensitive to additional electrostatic potentials as well as to the effects of a nonuniform magnetic field. There are also characteristics of similarity and diversity in the energy dispersions and in the single-channel magnetoconductance.
목차
Abstract
I. Introduction
II. The Single Particle Schrödinger Equation and Wave Functions
III. Results and Discussion
IV. Effective Potential and Probability Density
V. Magnetoconductance
VI. Conclusions
References
참고문헌 (14)
참고문헌 신청
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S. H. Park and H. -S. Sim, Phys. Rev. B 77, 075433 (2008).
C.M. Lee, R. C.H. Lee, W.Y. Ruan, M.Y. Chou, and A. Vyas, Solid State Commun. 156, 49 (2013); C. M. Lee and K. S. Chan, J. Appl. Phys. 114, 143708 (2013).
Dali Wang and Guojun Jin, Phys. Lett. A 373, 4082 (2009).
M. L. Leadbeater, S. J. Allen, Jr., F. DeRosa, J. P. Harbison, T. Sands, R. Ramesh, L. T. Florez, and V. G. Keramidas, J. Appl. Phys. 69, 4689 (1991).
S. H. Park and H. -S. Sim, Phys. Rev. B 77, 075433 (2008).
C.M. Lee, R. C.H. Lee, W.Y. Ruan, M.Y. Chou, and A. Vyas, Solid State Commun. 156, 49 (2013); C. M. Lee and K. S. Chan, J. Appl. Phys. 114, 143708 (2013).
Dali Wang and Guojun Jin, Phys. Lett. A 373, 4082 (2009).
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