Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2

doi:10.1155/2010/191058

Title: Low-Temperature Synthesis of Superconducting Nanocrystalline ${MgB}_{2}$

Abstract

Magnesium diboride (MgB ₂ ) is considered a promising material for practical application in superconducting devices, with a transition temperature near 40 K. In the present paper, nanocrystalline MgB ₂ with an average particle size of approximately 70 nm is synthesized by reacting LiBH ₄ with MgH ₂ at temperatures as low as 450 ^° C. This synthesis approach successfully bypasses the usage of either elemental boron or toxic diborane gas. The superconductivity of the nanostructures is confirmed by magnetization measurements, showing a superconducting critical temperature of 38.7 K.

Authors:

Lu, Jun ^[1]; Xiao, Zhili ^[1]; Lin, Qiyin ^[2]; Claus, Helmut ^[2]; Fang, Zhigang Zak ^[3]

Department of Physics, Northern Illinois University, DeKalb, IL 60115, USA, Material Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
Material Science Division, Argonne National Laboratory, Argonne, IL 60439, USA
Department of Metallurgical Engineering, University of Utah, Salt Lake City, UT 84112, USA

Publication Date:: 2010-01-01

Sponsoring Org.:: USDOE

OSTI Identifier:: 1198278

Grant/Contract Number:: FG02-06ER46334; AC02-06CH11357

Resource Type:: Published Article

Journal Name:: Journal of Nanomaterials

Additional Journal Information:: Journal Name: Journal of Nanomaterials Journal Volume: 2010; Journal ID: ISSN 1687-4110

Publisher:: Hindawi Publishing Corporation

Country of Publication:: Egypt

Language:: English

Citation Formats


                    Lu, Jun, Xiao, Zhili, Lin, Qiyin, Claus, Helmut, and Fang, Zhigang Zak. Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2.  Egypt: N. p., 2010. 
        Web.  doi:10.1155/2010/191058.

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                    Lu, Jun, Xiao, Zhili, Lin, Qiyin, Claus, Helmut, & Fang, Zhigang Zak. Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2.  Egypt.  doi:10.1155/2010/191058.

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                    Lu, Jun, Xiao, Zhili, Lin, Qiyin, Claus, Helmut, and Fang, Zhigang Zak. Fri .  
        "Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2".  Egypt.  doi:10.1155/2010/191058.

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@article{osti_1198278,

  title        = {Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2},

  author       = {Lu, Jun and Xiao, Zhili and Lin, Qiyin and Claus, Helmut and Fang, Zhigang Zak},

  abstractNote = {Magnesium diboride (MgB 2 ) is considered a promising material for practical application in superconducting devices, with a transition temperature near 40 K. In the present paper, nanocrystalline MgB 2 with an average particle size of approximately 70 nm is synthesized by reacting LiBH 4 with MgH 2 at temperatures as low as 450 ° C. This synthesis approach successfully bypasses the usage of either elemental boron or toxic diborane gas. The superconductivity of the nanostructures is confirmed by magnetization measurements, showing a superconducting critical temperature of 38.7 K.},

  doi          = {10.1155/2010/191058},

  journal      = {Journal of Nanomaterials},

  number       = ,

  volume       = 2010,

  place        = {Egypt},

  year         = {2010},

  month        = {1}

}

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DOI: 10.1155/2010/191058

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Works referenced in this record:

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Similar Records

Title: Low-Temperature Synthesis of Superconducting Nanocrystalline MgB 2

Abstract

Citation Formats

Strongly linked current flow in polycrystalline forms of the superconductor MgB2 journal, March 2001

Ti-doped alkali metal aluminium hydrides as potential novel reversible hydrogen storage materials journal, May 1997

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High critical currents in iron-clad superconducting MgB2 wires journal, May 2001

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Dehydriding and rehydriding reactions of journal, December 2005

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MgB2 Superconducting Thin Films with a Transition Temperature of 39 Kelvin journal, April 2001

The complex nature of superconductivity in MgB2 as revealed by the reduced total isotope effect journal, May 2001

Title: Low-Temperature Synthesis of Superconducting Nanocrystalline ${MgB}_{2}$

Strongly linked current flow in polycrystalline forms of the superconductor MgB2
journal, March 2001

Ti-doped alkali metal aluminium hydrides as potential novel reversible hydrogen storage materials
journal, May 1997

Superconductivity at 39 K in magnesium diboride
journal, March 2001

X-ray line broadening from filed aluminium and wolfram
journal, January 1953

High critical currents in iron-clad superconducting MgB2 wires
journal, May 2001

A low field SQUID magnetometer system for magnetic characterization of high‐ T _c superconducting samples
journal, September 1991

Superconducting MgB ₂ Nanohelices Grown on Various Substrates
journal, September 2007

Dehydriding and rehydriding reactions of
journal, December 2005

Superconductivity in Dense ${MgB}_{2}$ Wires
journal, March 2001

Thermodynamic and Transport Properties of Superconducting ${Mg}^{10} B_{2}$
journal, March 2001

MgB2 Superconducting Thin Films with a Transition Temperature of 39 Kelvin
journal, April 2001

The complex nature of superconductivity in MgB2 as revealed by the reduced total isotope effect
journal, May 2001