Magnetization of Finite Carbon Nanotubes(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
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概要
- 論文の詳細を見る
Magnetoelectronic properties of finite carbon nanotubes (CNs) are studied for an arbitrary field direction. They are strongly affected by the nanotube geometry (length, radius; boundary structure), the magnitude and direction of the magnetic field, the Zeeman effect, and the temperature. Geometric structures determine electronic structures and magnetic properties, which thus leads to three types of energy gaps and induced magnetic fields. The critical angle, which corresponds to the change of magnetism, exists in armchair CNs, but not in zigzag CNs. It also depends on the length and the radius of CNs. Finite CNs are very different from infinite CNs. Zeeman splitting could induce complete energygap modulation, a drastic change in magnetization, and a gigantic paramagnetic response for all zigzag CNs. The predicted results are observable even at room temperature.
- 社団法人日本物理学会の論文
- 2005-05-15
著者
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Lin M
Department Of Physics National Cheng Kung University
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Chiu C.
Center For General Education Tainan Woman's College Of Arts And Technology
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CHEN R.
Center for General Education, National Kaohsiung Marine University
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CHANG C.
Center for General Education, Tainan Woman's College of Arts and Technology
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HWANG J.
Department of Physics, National Cheng Kung University
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CHUU D.
Department of Electrophysics, National Chiao Tung University
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LIN M.
Department of Physics, National Cheng Kung University
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Lin M.
Department Of Physics National Cheng Kung University:national Center For Theoretical Sciences
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Chuu D.
Department Of Electrophysics National Chiao Tung University
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Chang C.
Center For General Education Tainan University Of Technology:national Center For Theoretical Science
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Hwang J.
Department Of Physics National Cheng Kung University
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Hwang J.
Department Of Electrical Engineering Korea Advanced Institute Of Science And Technology (kaist)
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Chang C.
Center For General Education Tainan University Of Technology:national Center For Theoretical Science
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Chen R
Center For General Education National Kaohsiung Marine University
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Lin M.
Department Of Electrical Engineering National Tsing Hua University
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