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SiC and Carbon Nanotube Distinctive Effects on the Superconducting Properties of Bulk MgB2 (with G. Serrano, A. Serquis, S. X. Dou, L. Civale, B. Maiorov, T. G. Holesinger, F. Balakirev, and M. Jaime), Faculty of Engineering - Papers (2008)

This work describes in detail the simultaneous enhancement of the upper critical field (H_c2) and...

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The effect of doping level and sintering temperature on Jc(H) performance in nano-SiC doped and pure MgB2 wires (with O. Shcherbakova, S. X. Dou, D. Wexler, M. Bhatia, M. Sumption, and E. W. Collings), Faculty of Engineering - Papers (2006)

Nanoscale SiC doped Fe/MgB2 wire samples were prepared by an in situ reaction technique using...

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Effect of heating rates on superconducting properties of pure MgB2, carbon nanotube- and nano-SiC-doped in situ MgB2/Fe wires (with S. K. Chen, K. S. Tan, B. A. Glowacki, W. K. Yeoh, J. Horvat, and S. X. Dou), Faculty of Engineering - Papers (2005)

The influence of heating rates and annealing temperatures on the transition temperatures (Tc) and critical...

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Effect of Nano-Particle Doping on the Upper Critical Field and Flux Pinning in MgB2 (with S. X. Dou, W. K. Yeoh, and Y. Zhang), Faculty of Engineering - Papers (2005)

The effect of nano particle doping on the critical current density ofMgB2 is reviewed. Most...

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The relevance of the self-field for the 'peak effect' in the transport Jc(H) of iron-sheathed MgB2 wires (with J. Horvat and W. K. Yeoh), Faculty of Engineering - Papers (2005)

Ferromagnetic sheath around a superconducting wire results in an unusual transport Jc(H). For the field...

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Large upper critical field and irreversibility field in MgB2 wires with SiC additions (with M. D. Sumption, M. Bhatia, M. Rindfleisch, M. Tomsic, S. X. Dou, and E. W. Collings), Faculty of Engineering - Papers (2005)

Resistive transition measurements are reported for MgB2 strands with SiC dopants. The starting Mg powders...

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Nanoscale-SiC doping for enhancing Jc and Hc2 in superconducting MgB2 (with S. X. Dou, V. Braccini, R. Klie, Y. Zhu, S. Li, X. L. Wang, and D. Larbalestier), Faculty of Engineering - Papers (2004)

The effect of nanoscale-SiC doping of MgB2 was investigated in comparison with undoped, clean-limit, and...

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Superconducting screening on different length scales in high-quality bulk MgB2 superconductor (with J. Horvat, A. V. Pan, and X. L. Wang), Faculty of Engineering - Papers (2004)

High-quality bulk MgB2 exhibits a structure of voids and agglomeration of crystals on different length-scales....

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Effect of sample size on magnetic Jc for MgB2 superconductor (with J. Horvat, X. L. Wang, and S. X. Dou), Faculty of Engineering - Papers (2004)

A strong effect of sample size on magnetic Jc(H) was observed for bulk MgB2 when...

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Sample-size dependence of the magnetic critical current density in MgB2 superconductors (with M. J. Qin, S. Keshavarzi, X. L. Wang, H. K. Liu, and S. X. Dou), Faculty of Engineering - Papers (2004)

Sample size dependent magnetic critical current density has been observed in magnesium diboride superconductors. At...

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Effect of sample size on the magnetic critical current density in nano-SiC doped MgB2 superconductors (with M. J. Qin, S. Keshavarzi, X. L. Wang, and S. X. Dou), Faculty of Engineering - Papers (2003)

The effect of sample size on the critical current density and the flux pinning of...

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Effect of grain size and doping level of SiC on the superconductivity and critical current density in MgB/sub 2/ superconductor (with X. L. Wang, J. Horvat, M. J. Qin, H. K. Liu, P. R. Munroe, and S. X. Dou), Faculty of Engineering - Papers (2003)

SiC doped MgB/sub 2/ polycrystalline samples were fabricated by in-situ reaction using different grain sizes...

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Magnetic shielding in MgB2/Fe superconducting wires (with J. Horvat, X. L. Wang, and S. X. Dou), Faculty of Engineering - Papers (2003)

Transport critical current (I/sub c/) was measured for MgB/sub 2//Fe round wires, with the magnetic...

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Transport critical current density in Fe-sheathed nano-SiC doped MgB/sub 2/ wires (with S. X. Dou, J. Horvat, X. L. Wang, M. J. Qin, S. H. Zhou, H. K. Liu, and P. G. Munroe), Faculty of Engineering - Papers (2003)

The nano-SiC doped MgB/sub 2//Fe wires were fabricated using a powder-in-tube method and an in-situ...

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Enhancement of the critical current density and flux pinning of MgB2 superconductor by nanoparticle SiC doping (with S. X. Dou, J. Horvat, X. L. Wang, S. H. Zhou, M. Ionescu, H. K. Liu, P. Munroe, and M. Tomsic), Faculty of Engineering - Papers (2002)

Doping of MgB2 by nano-SiC and its potential for the improvement of flux pinning were...

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Intrinsic nanostructural domains: Possible origin of weaklinkless superconductivity in the quenched reaction product of Mg and amorphous B (with S. Li, O. Prabhakar, T. T. Tan, C. Q. Sun, X. L. Wang, J. Horvat, and S. X. Dou), Faculty of Engineering - Papers (2002)

Smooth modulation structure of Mg–B alloy in the quenched reaction product of Mg and amorphous...

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Improvement of critical current in MgB2 superconducting wires by a ferromagnetic sheath (with J. Horvat, X. L. Wang, and S. X. Dou), Faculty of Engineering - Papers (2002)

Transport critical current (Ic) was measured for Fe-sheathed MgB2 round wires. A critical current density...

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Dependence of the flux-creep activation energy on current density and magnetic field for the MgB2 superconductor (with M. J. Qin, X. L. Wang, A. H. Li, H. K. Liu, and S. X. Dou), Faculty of Engineering - Papers (2001)

Systematic ac susceptibility measurements have been performed on a MgB2 bulk sample. We demonstrate that...

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High-transport critical current density above 30 K in pure Fe-clad MgB2 tape (with X. L. Wang, I. Kusevic, E. Babic, A. H. Li, M. J. Qin, J. Horvat, H. K. Liu, E. W. Collings, E. Lee, M. D. Sumption, and S. X. Dou), Physica C: Superconductivity and its Applications (2001)

Fe-clad MgB₂ long tapes have been fabricated using a powder-in-tube technique. An Mg+2B mixture was...