Ferromagnetism of double-walled carbon nanotubes

被引：19

作者：

Yan, Der-Chung ^{[1
]}

Chen, Shih-Yun ^{[2
]}

Wu, Maw-Kuen ^{[3
]}

Chi, C. C. ^{[1
]}

Chao, J. H. ^{[4
]}

Green, Malcolm L. H. ^{[5
]}

机构：

[1] Natl Tsing Hua Univ, Dept Phys, Hsinchu 30013, Taiwan

[2] Natl Taiwan Univ Sci & Technol, Dept Polymer Engn, Taipei 10607, Taiwan

[3] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[4] Nation Tsing Hua Univ, Nucl Sci & Technol Dev Ctr, Hsinchu 30013, Taiwan

[5] Univ Oxford, Inorgan Chem Lab, Dept Chem, Oxford OX1 3QR, England

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 24期

关键词：

carbon nanotubes; catalysts; chemisorption; ferromagnetism; filling; hydrogen; magnetic moments; METAL IODIDES; DEFECTS;

D O I：

10.1063/1.3453867

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The pure double-walled carbon nanotubes (DWNTs) and two endohedral DWNTs (DWNTs with materials filled inside) are produced. The filling materials are CoI(2) and KI, respectively. The ferromagnetism (FM) is observed in pure DWNTs. The content of residual catalyst Fe is too small to be responsible for the observed FM. On the other hand, after filling KI or CoI(2) into the tubes, over 87% of FM is suppressed. This suggests that the origin of FM in nanotubes is mainly from the hydrogen chemisorptions induced in the process of acid purification. With the knowledge of FM origin, it is then possible to enhance FM of carbon nanotubes or graphene for applications relying on magnetism. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3453867]

引用

页数：3

共 50 条

[41] Analysis of the vibration characteristics of double-walled carbon nanotubes
Natsuki, Toshiaki
Ni, Qing-Qing
Endo, Morinobu
CARBON, 2008, 46 (12) : 1570 - 1573
[42] Bending instability characteristics of double-walled carbon nanotubes
Wang, Q
Hu, T
Chen, GH
Jiang, Q
PHYSICAL REVIEW B, 2005, 71 (04)
[43] Coaxial nanocables of codoped double-walled carbon nanotubes
Yang, Yurong
Yan, X. H.
Lu, Di
Cao, J. X.
JOURNAL OF CHEMICAL PHYSICS, 2009, 131 (21):
[44] Guided circumferential waves in double-walled carbon nanotubes
Huiling Zhang
Xiaochun Yin
Acta Mechanica Solida Sinica, 2007, 20 : 110 - 116
[45] Filling double-walled carbon nanotubes with AgCl nanowires
Chen, Gang
Qiu, Jieshan
Qiu, Hanxun
SCRIPTA MATERIALIA, 2008, 58 (06) : 457 - 460
[46] Magnetoelectronic properties of finite double-walled carbon nanotubes
Lee, C. H.
Chen, R. B.
Li, T. S.
Lin, M. F.
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, 2008, 40 (06): : 2053 - 2055
[47] Fundamental natural frequencies of double-walled carbon nanotubes
Elishakoff, Isaac
Pentaras, Demetris
JOURNAL OF SOUND AND VIBRATION, 2009, 322 (4-5) : 652 - 664
[48] Shortest Double-Walled Carbon Nanotubes Composed of Cycloparaphenylenes
Hashimoto, Sigma
Iwamoto, Takahiro
Kurachi, Daisuke
Kayahara, Eiichi
Yamago, Shigeru
CHEMPLUSCHEM, 2017, 82 (07): : 1015 - 1020
[49] Preparation of highly pure double-walled carbon nanotubes
Wei, JQ
Ci, LJ
Jiang, B
Li, YH
Zhang, XF
Zhu, HW
Xu, CL
Wu, DH
JOURNAL OF MATERIALS CHEMISTRY, 2003, 13 (06) : 1340 - 1344
[50] Electronic structures of finite double-walled carbon nanotubes
Lee, C. H.
Ho, Y. H.
Chen, R. B.
Li, T. S.
Lin, M. F.
PHYSICA STATUS SOLIDI C - CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 4, NO 2, 2007, 4 (02): : 509 - +

← 1 2 3 4 5 →