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Nano Research 2008, 1(2): 152-157 https://doi.org/10.1007/s12274-008-8013-8
Research Article | Open Access | Issue | Published: 31 July 2008

High Yield Synthesis and Characterization of the Structural and Magnetic Properties of Crystalline ErCl3 Nanowires in Single-Walled Carbon Nanotube Templates

Show Author's Information Ryo Kitaura1,  Daisuke Ogawa1,  keita Kobayashi1,  Takeshi Saito2,3,  Satoshi Ohshima2,  Tetsuya Nakamura4,  Hirofumi Yoshikawa1,  Kunio Awaga1,  Hisanori Shinohara1( )
Department of Chemistry and Institute for Advanced Research, Graduate School of Science, Nagoya UniversityNagoya 464-8602 Japan
Nanotube Research Center , National Institute of Advanced Industrial Science and Technology Tsukuba 305-8565 Japan
PRESTO, Japan, Science and Technology Agency, 4-1-8 Honcho kawaguchi Saitama 332-0012 Japan
Japan Synchrotron Radiation Research Institute Hyogo 679-5198 Japan
Keywords:
magnetic properties, carbon nanotubes, crystal structure, Low-dimensional nanomaterials, transmission electron microscope
Cite this article:
Kitaura R, Ogawa D, Kobayashi k, et al. High Yield Synthesis and Characterization of the Structural and Magnetic Properties of Crystalline ErCl3 Nanowires in Single-Walled Carbon Nanotube Templates. Nano Research, 2008, 1(2): 152-157. https://doi.org/10.1007/s12274-008-8013-8
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Abstract Full text About this article

Crystalline ErCl3 nanowires have been fabricated in single-walled carbon nanotubes (SWCNTs) with high yield (~90%), and the structural and magnetic properties of the resulting ErCl3 nanowires encapsulated in SWCNTs (ErCl3@SWCNTs) characterized. Encapsulation under high temperature and vacuum using high quality SWCNTs results in a high filling-ratio of ErCl3 nanowires in the SWCNTs. The high filling-ratio of ErCl3 nanowires and the use of highly pure SWCNTs with only a small amount of residual Fe catalyst nanoparticles enabled us to observe the magnetic properties of ErCl3@SWCNTs. Structure determination based on simulated annealing calculations and high-resolution transmission electron microscope (HRTEM) image simulations revealed that the structure of the ErCl3 nanowires is unusual with respect to the coordination environment of the Eu3+ ions. This work opens up new possibilities to fabricate various metal complex nanowires with high yield and may also be of more general importance in understanding and exploring magnetic properties in low-dimensional magnetic systems.


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About this article

High Yield Synthesis and Characterization of the Structural and Magnetic Properties of Crystalline ErCl3 Nanowires in Single-Walled Carbon Nanotube Templates

Show Author's information Ryo Kitaura1, Daisuke Ogawa1, keita Kobayashi1, Takeshi Saito2,3, Satoshi Ohshima2, Tetsuya Nakamura4, Hirofumi Yoshikawa1, Kunio Awaga1, Hisanori Shinohara1( )
Department of Chemistry and Institute for Advanced Research, Graduate School of Science, Nagoya UniversityNagoya 464-8602 Japan
Nanotube Research Center , National Institute of Advanced Industrial Science and Technology Tsukuba 305-8565 Japan
PRESTO, Japan, Science and Technology Agency, 4-1-8 Honcho kawaguchi Saitama 332-0012 Japan
Japan Synchrotron Radiation Research Institute Hyogo 679-5198 Japan

Abstract

Crystalline ErCl3 nanowires have been fabricated in single-walled carbon nanotubes (SWCNTs) with high yield (~90%), and the structural and magnetic properties of the resulting ErCl3 nanowires encapsulated in SWCNTs (ErCl3@SWCNTs) characterized. Encapsulation under high temperature and vacuum using high quality SWCNTs results in a high filling-ratio of ErCl3 nanowires in the SWCNTs. The high filling-ratio of ErCl3 nanowires and the use of highly pure SWCNTs with only a small amount of residual Fe catalyst nanoparticles enabled us to observe the magnetic properties of ErCl3@SWCNTs. Structure determination based on simulated annealing calculations and high-resolution transmission electron microscope (HRTEM) image simulations revealed that the structure of the ErCl3 nanowires is unusual with respect to the coordination environment of the Eu3+ ions. This work opens up new possibilities to fabricate various metal complex nanowires with high yield and may also be of more general importance in understanding and exploring magnetic properties in low-dimensional magnetic systems.

Keywords: magnetic properties, carbon nanotubes, crystal structure, Low-dimensional nanomaterials, transmission electron microscope

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Publication history

Received: 02 May 2008
Revised: 13 June 2008
Accepted: 17 June 2008
Published: 31 July 2008
Issue date: February 2008

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© Tsinghua Press and Springer-Verlag 2008

Acknowledgements

Acknowledgements

This work has been supported by the JST CREST Program for novel carbon nanotube materials. The XAS experiments were performed at BL25SU in SPring-8 with the approval of JASRT (Proposal No. 2007B1732)

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