Enhanced flux pinning in MOD-YBCO films with co-doping of BaCeO3 and Y2O3 nanoparitcles | Zendy

Ding Fa-Zhu | Zendy; Hongwei Gu | Zendy; Teng Zhang | Zendy; Hongyan Wang | Zendy; Fei Qu | Zendy; Peng Xing-Yu | Zendy; Zhou Wei-Wei | Zendy

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Enhanced flux pinning in MOD-YBCO films with co-doping of BaCeO3 and Y2O3 nanoparitcles

Author(s) -

Ding Fa-Zhu,

Hongwei Gu,

Teng Zhang,

Hongyan Wang,

Fei Qu,

Peng Xing-Yu,

Zhou Wei-Wei

Publication year - 2013

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.62.137401

Subject(s) - flux pinning , materials science , condensed matter physics , superconductivity , doping , critical current , vortex , high temperature superconductivity , nanoparticle , transition temperature , pinning force , nanotechnology , optoelectronics , thermodynamics , physics

Enhancing the critical-current density of YBCO films is essential to gain a deeper understanding of the vortex pinning mechanisms and enable commercial applications of high-temperature superconductivity. Combined BaCeO3 and Y2O3 nanoparticles have been achieved to be co-doped in YBa2Cu3O7-x (YBCO) films by metalorganic deposition using trifluoroacetates (TFA-MOD). The formation of integrated nanoparticles increases the critical current density (Jc) of Y2O3/BaCeO3 doped-YBCO films while keeping the critical transition temperature (Tc) close to that in the pure YBCO films. YBCO film containing BaCeO3 and Y2O3 showed Tc value of 91 K and Jc value of 5 MA/cm2 at self-field (0 T, 77 K). The strongly enhanced flux pinning over a wide range of magnetic field may be attributed to the combined BaCeO3 and Y2O3 created by optimized TFA-MOD conditions.

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