Microstructure and Properties of Y-123/Y-211 Bulk Superconductors with BaCeO_{3} and BaO_{2} Addition

• Authors: K. Zmorayova , V. Antal , M. Radusovska , S. Piovarci , D. Volochova , P. Diko
• Languages of publication: EN

Abstracts

EN

YBa_{2}Cu_{3}O_{7-δ} (YBCO) bulk single-grain superconductors were prepared by a TSMG process. CeO_{2}, BaCeO_{3} and BaO_{2} powders were added to nominal composition Y_{1.5}Ba_{2}Cu_{3}O_{7} with the aim to refine Y_{2}BaCuO_{5} (Y-211) secondary particles. Added powders were refined by milling in a friction milling and characterized by X-ray powder difractometry. Thermal properties of the systems were characterized by DTA. Microstructure of samples was studied by PLM. Successful refinement of Y-211 particles size was confirmed by IP measurements. Transition temperatures and field dependences of the magnetic moment for further determination of the critical current densities were obtained using a VSM.

Keywords

EN

74.25.Bt; 74.25.Ha; 74.62.Bf; 74.62.Dh; 81.10.Fq; 81.30.Fb

Discipline

• 74.62.Bf: Effects of material synthesis, crystal structure, and chemical composition(for methods of materials synthesis, see 81.20.-n)
• 74.25.Ha: Magnetic properties including vortex structures and related phenomena(for vortices, magnetic bubbles, and magnetic domain structure, see 75.70.Kw)
• 81.30.Fb: Solidification
• 81.10.Fq: Growth from melts; zone melting and refining
• 74.62.Dh: Effects of crystal defects, doping and substitution(for specific crystal defects, see 61.72.-y)
• 74.25.Bt: Thermodynamic properties

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 1
• Pages: 366-367

Dates

published

2014-07

Contributors

author

K. Zmorayova

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

author

V. Antal

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

author

M. Radusovska

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

author

S. Piovarci

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

author

D. Volochova

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

author

P. Diko

• Institute of Experimental Physics SAS, Watsonova 47, 040 01 Kosice, Slovak Republic

References

• [1] M. Murakami, K. Yamaguchi, H. Fujimoto, N. Nakamura, T. Taguchi, N. Koshizuka, S. Tanaka, Cryogenics 32, 930 (1992), doi: 10.1016/0011-2275(92)90002-R
• [2] Ch.J. Kim, K.B. Kim, I.H. Kuk, G.W. Hong, Physica C 281, 244 (1997), doi: 10.1016/S0921-4534(97)01455-X
• [3] D. Volochova, P. Diko, V. Antal, M. Radusovska, S. Piovarci, J. Cryst. Growth 356, 75 (2012), doi: 10.1016/j.jcrysgro.2012.07.021
• [4] M. Murakami, Supercond. Sci. Technol. 5, 185 (1992), doi: 10.1088/0953-2048/5/4/001
• [5] D. Volochova, P. Diko, M. Radusovska, V. Antal, S. Piovarci, K. Zmorayova, M. Sefcikova, J. Cryst. Growth 353, 31 (2012), doi: 10.1016/j.jcrysgro.2012.04.029
• [6] C.P. Bean, Phys. Rev. Lett. 8, 250 (1962), doi: 10.1103/PhysRevLett.8.250

Identifiers

DOI

10.12693/APhysPolA.126.366