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. 2010 Sep 26;6(1):36. doi: 10.1007/s11671-010-9794-8

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Copyright ©2010 Zhong et al.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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a A bright-field TEM image showing a segment of cylindrical BNNT. b SAED pattern taken from catalyst-containing knob on the tip of a cylindrical BNNT. c High magnification TEM image of the tubular part of a cylindrical BNNT. d EDX spectrum collected from a catalyst-containing knob on the tip of a cylindrical BNNT. e HRTEM image taken from the tube wall of a cylindrical BNNT, inset: the fast Fourier transform pattern of the corresponding HRTEM image. f EELS spectrum of tubular part of a cylindrical BNNT.