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Addition effects of nanoscale NiO on microstructure and superconducting properties of MgB2
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 Title & Authors
Addition effects of nanoscale NiO on microstructure and superconducting properties of MgB2
Ranot, Mahipal; Jang, S.H.; Oh, Y.S.; Shinde, K.P.; Kang, S.H.; Chung, K.C.;
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We have investigated the addition effect of NiO magnetic nanoparticles on crystal structure, microstructure as well as superconducting properties of . NiO-added samples were prepared by the solid-state reaction method. The superconducting transition temperature () of 37.91 K was obtained for pure , and was found to decrease systematically on increasing the addition level of NiO. X-ray diffraction (XRD) analysis revealed that no substitution of Ni for Mg in the lattice of was occurred. The microstructural analysis shows that the pure sample consists of plate shape grains, and the grains get refined to smaller size with the addition of NiO nanoparticles. At 5 K, high values of critical current density () were obtained for small amount NiO-added samples as compared to pure sample. The enhancement in could be attributed to the refinement of grains which leads to high density of grain boundaries in NiO-added samples.
;nanoscale NiO;superconducting properties;
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D. Larbalestier, A. Gurevich, D. M. Feldmann, and A. Polyanskii, "High-$T_c$ superconducting materials for electric power applications," Nature, vol. 414, pp. 368-377, 2001. crossref(new window)

D. C. Larbalestier, L. D. Cooley, M. O. Rikel, A. A. Polyanskii, J. Jiang, S. Patnaik, X. Y. Cai, D. M. Feldmann, A. Gurevich, and A. A. Squitieri, "Strongly linked current flow in polycrystalline forms of the superconductor $MgB_2$," Nature, vol. 410, pp. 186-189, 2001. crossref(new window)

Mahipal Ranot and W. N. Kang, "$MgB_2$ coated superconducting tapes with high critical current densities fabricated by hybrid physical-chemical vapor deposition," Curr. Appl. Phys., vol. 12, pp. 353, 2012. crossref(new window)

K. Vinod, R. G. A. Kumar and U. Syamaprasad, "Prospects for $MgB_2$ superconductors for magnet application," Supercond. Sci. Technol., vol. 20, pp. R1, 2007. crossref(new window)

C. Haberstroh and G. Zick, "A Superconductive $MgB_2$ level sensor for liquid hydrogen," AIP Conf. Proc., vol. 823, pp. 679, 2006.

W. K. Yeoh and S. X. Dou, "Enhancement of $H_{c2}$ and $J_{c}$ by carbon-based chemical doping," Physica C, vol. 456, pp. 170, 2007. crossref(new window)

O. V. Shcherbakova, A. V. Pan, S. X. Dou, R. Nigam, and D. Wexler, "Nanocoating of particles for optimal doping and universal enhancement of current-carrying ability in "organic" $MgB_{2-x}C_x$ superconductors," J. Appl. Phys., vol. 107, pp. 09E147, 2010. crossref(new window)

A. Snezhko, T. Prozorov, and R. Prozorov, "Magnetic nanoparticles as efficient bulk pinning centers in type-II superconductors," Phys. Rev. B, vol. 71, pp. 024527, 2005. crossref(new window)

S. X. Dou, S. Soltanian, Y. Zhao, E. Getin, Z. Chen, O. Shcherbakova, and J. Horvat, "The effect of nanoscale Fe doping on the superconducting properties of $MgB_2$," Supercond. Sci. Technol., vol. 18, pp. 710-715, 2005 crossref(new window)