2013
DOI: 10.1007/s10948-013-2108-5
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Erratum to: Enhancement of Vortex Pinning in YBa2Cu3O7–δ -BaHfO3 Superconductor-Insulator System

Abstract: J C) should be read as MA/m 2 (mega ampere per metre square) instead of A/cm 2 and the magnitude of Flux pinning force density (F p) should be multiplied with 10 5 instead of 10 3 wherever it is repeated in the manuscript including the figures and tables. This change in the unit of J C and the magnitude of F p will not affect any discussions in this paper.

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Cited by 2 publications
(7 citation statements)
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“…Figure shows the XRD patterns of pure and HfO 2 ‐added YBCO samples (Y0, YH1, YH2, YH3, and YH5) prepared through a two‐stage calcination process (930 °C for a total of 72 h) followed by slow cooling from their respective sintering temperatures of 970 ± 5 °C for 24 h, initially to 550 °C for oxygenation and then to room temperature. Analogous to our early reports on the addition of BaHfO 3 nanopowders in YBCO, in this case also additional peaks at 2 θ = 30.496°, 43.327°, and 53.933° are observed in the XRD patterns of these samples. These phases are identical to the secondary phase analogous to cubic YBa 2 HfO 5.5 and are indexed as reported in the JCPDCS file (47‐0390).…”
Section: Resultssupporting
confidence: 88%
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“…Figure shows the XRD patterns of pure and HfO 2 ‐added YBCO samples (Y0, YH1, YH2, YH3, and YH5) prepared through a two‐stage calcination process (930 °C for a total of 72 h) followed by slow cooling from their respective sintering temperatures of 970 ± 5 °C for 24 h, initially to 550 °C for oxygenation and then to room temperature. Analogous to our early reports on the addition of BaHfO 3 nanopowders in YBCO, in this case also additional peaks at 2 θ = 30.496°, 43.327°, and 53.933° are observed in the XRD patterns of these samples. These phases are identical to the secondary phase analogous to cubic YBa 2 HfO 5.5 and are indexed as reported in the JCPDCS file (47‐0390).…”
Section: Resultssupporting
confidence: 88%
“…These phases are identical to the secondary phase analogous to cubic YBa 2 HfO 5.5 and are indexed as reported in the JCPDCS file (47‐0390). However, the intensity peaks of the HfO 2 ‐added YBCO samples are less compared to those of the BaHfO 3 ‐added samples . The low‐intensity peaks can be attributed to the high formation kinetics required for the YBa 2 HfO 5.5 in the case of HfO 2 ‐added YBCO relative to BaHfO 3 ‐added samples.…”
Section: Resultsmentioning
confidence: 96%
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“…Due to the complexity of defects in polycrystalline superconductors several different pinning mechanisms may exist which are simultaneously active in polycrystalline high T c superconductors such as: dl pinning, due to the scatter of electron free path caused by the non-superconducting particles of the coherence length (n) embedded in the superconducting matrix and dj pinning, due to a spatial scatter of superconducting T c throughout the sample caused by other superconducting phases causing fluctuation in T c . However the optimum J c value observed for nano HfO 2 and BaHfO 3 added YBCO bulk in our earlier reports [27][28][29] was too low (in the ranges of 10 4 A/cm 2 ) compared to the present set of values (in the ranges of 10 6 A/cm 2 ).…”
Section: Resultscontrasting
confidence: 90%
“…Similarly, rapid enhancement in flux pinning and critical current density was observed in YBCO films by the incorporation of nanoparticles such as BaSnO 3 [9], BaHfO 3 [22] Ba 2 YTaO 6 [23], Ba 2 YNbO 6 [24,25] and Ba 2 RETaO 6 [26]. In our earlier works, we had reported the effect of addition of simple oxide, HfO 2 [27], ABO 3 type perovskite, nano BaHfO 3 [28,29] and double perovskite YBa 2 HfO 5.5 [30] tremendous improvement in flux pinning force and critical current density.…”
Section: Introductionmentioning
confidence: 70%