Current Flowing Mechanism Through Interlayers in YBa2Cu3Ox–SrTiO3Multilayer Structures on Textured Tapes

Krylova, T. S.; Черных, И. А.; Занавескин, М. Л.

doi:10.1109/tasc.2016.2548481

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…For the latter, a previous study found that when an extra layer was inserted among YBCO layers, J c variation was observed by altering the interlayer thickness [19]. Several investigators have inserted CeO 2 [19][20][21], Y 2 O 3 [22], SrTiO 3 [23], and NdBa 2 Cu 3 O 7−x [24] into YBCO layers through various vacuum deposition processes and obtained some interesting results. However, little research has been done on establishing a quasi-multilayer structure using the sol-gel method.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of Critical Current Density by Establishing a YBa2Cu3O7−x/LaAlO3/YBa2Cu3O7−x Quasi-Trilayer Architecture Using the Sol-Gel Method

Wang

2019

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We developed a solution-derived method to establish a YBa 2 Cu 3 O 7−x /LaAlO 3 /YBa 2 Cu 3 O 7−x quasi-trilayer architecture. Using the method, nano-scale pinning sites were induced into the quasi-trilayer architecture and yielded an apparent improvement in the in-field critical current density (J c ) of high-quality YBa 2 Cu 3 O 7−x (YBCO). The improvement in the in-field J c of the films was closely related to the thickness of the LaAlO 3 (LAO) interlayer. In this paper it is demonstrated that when the nominal interlayer thickness approximates 20 nm, which is slightly higher than the roughness of the YBa 2 Cu 3 O 7−x surface, the LaAlO 3 interlayer is discontinuous due to synchromesh-like growth of the LaAlO 3 layer on relatively rough YBa 2 Cu 3 O 7−x surface resulting from the mobility of the solution. Nanoscale defects, such as particles, some amorphous phases, and especially their concomitant lattice defects (such as stacking faults and plane buckling) arise in YBa 2 Cu 3 O 7−x layers. These nanoscale defects could play a role in flux pinning and thus enhancing J c . The effective non-vacuum solution to induce vortex pinning into YBa 2 Cu 3 O 7−x films could be a reference for the further design of an optimal pinning landscape for higher J c .

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Section: Introductionmentioning

confidence: 99%

Enhancement of Critical Current Density by Establishing a YBa2Cu3O7−x/LaAlO3/YBa2Cu3O7−x Quasi-Trilayer Architecture Using the Sol-Gel Method

Wang

2019

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Macroscopic residual stress and properties in different YBa2Cu3O7-x heterogeneous systems

Fan

et al. 2020

Physica C: Superconductivity and its Applications

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Improved biaxial texture of tri-layer YBCO/CaTiO3/YBCO films using an all chemical solution deposition method

Zhang

2020

Physica C: Superconductivity and its Applications

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Current Flowing Mechanism Through Interlayers in YBa₂Cu₃O_x–SrTiO₃Multilayer Structures on Textured Tapes

Cited by 3 publications

References 8 publications

Enhancement of Critical Current Density by Establishing a YBa2Cu3O7−x/LaAlO3/YBa2Cu3O7−x Quasi-Trilayer Architecture Using the Sol-Gel Method

Enhancement of Critical Current Density by Establishing a YBa2Cu3O7−x/LaAlO3/YBa2Cu3O7−x Quasi-Trilayer Architecture Using the Sol-Gel Method

Macroscopic residual stress and properties in different YBa2Cu3O7-x heterogeneous systems

Improved biaxial texture of tri-layer YBCO/CaTiO3/YBCO films using an all chemical solution deposition method

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