Electromagnetic Properties of Inner Double Walled Carbon Nanotubes Investigated by Nuclear Magnetic Resonance

被引：3

作者：

Bouhrara, M. ^{[1
]}

Abou-Hamad, E. ^{[2
,3
]}

Alabedi, G. ^{[1
]}

Al-Taie, I. ^{[1
]}

Kim, Y. ^{[4
]}

Wagberg, T. ^{[5
]}

Goze-Bac, C. ^{[2
]}

机构：

[1] Ctr Res & Dev, Design Nano Applicat Div DNA, Dhahran 31311, Saudi Arabia

[2] Univ Montpellier 2, NanoNMRI Grp, UMR5587, F-34095 Montpellier, France

[3] King Abdullah Univ Sci & Technol, KAUST Catalysis Ctr KCC, Thuwal 239556900, Saudi Arabia

[4] Univ Penn, Dept Mat Sci & Engn, Philadelphia, PA 19104 USA

[5] Umea Univ, Dept Phys, S-90187 Umea, Sweden

来源：

JOURNAL OF NANOMATERIALS | 2013年 / 2013卷

关键词：

NMR CHEMICAL-SHIFTS; C-13; NMR; ELECTRONIC-STRUCTURES; DIAMETER; PEAPODS; C-60;

D O I：

10.1155/2013/713475

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The nuclear magnetic resonance (NMR) analytical technique was used to investigate the double walled carbon nanotubes (DWNTs) electromagnetic properties of inner walls. The local magnetic and electronic properties of inner nanotubes in DWNTs were analyzed using 25% (13) C enriched C-60 by which the effect of dipolar coupling could be minimized. The diamagnetic shielding was determined due to the ring currents on outer nanotubes in DWNTs. The NMR chemical shift anisotropy (CSA) spectra and spin-lattice relaxation studies reveal the metallic properties of the inner nanotubes with a signature of the spin-gap opening below 70 K.

引用

页数：6

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