Influence of metal cation concentration on structure and performance of SmBa2Cu3O7−z superconducting films by non-fluorine CSD method

Wang, Z.; Wang, W.T.; Zhang, X.; Lei, Ming; Wang, M.J.; Zhao, Yong

doi:10.1016/j.matlet.2015.04.039

Cited by 2 publications

(3 citation statements)

References 14 publications

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“…To our knowledge, this T c value is the highest reported for SmBCO films deposited either on single crystals or on metallic tapes [35,37,39,40]. Additionally, the J sf c values at 77 K are among the highest reported for CSD-grown SmBCO film [39][40][41]. The AFM measurements carried out on the film grown at 810 °C and 50 ppm ( Figure 4) present similar features as the SEM image shown before.…”

Section: Discussionsupporting

confidence: 74%

“…At the best growth conditions T crys = 810 • C and pO 2 = 50 ppm, J sf c at 77 K reaches 2.1 MA cm −2 with a T c of 95.0 K and a transition width T c of 0.9 K (Figure 4b). To our knowledge, this T c value is the highest reported for SmBCO films deposited either on single crystals or on metallic tapes [35,37,39,40]. Additionally, the J sf c values at 77 K are among the highest reported for CSD-grown SmBCO film [39][40][41].…”

Section: Discussionmentioning

confidence: 61%

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Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Cayado

Erbe

et al. 2020

Coatings

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SmBa2Cu3O7-δ (SmBCO) films have been prepared by chemical solution deposition starting from extremely-low-fluorine solutions (7% fluorine with respect to standard full trifluoroacetate solutions). Smooth and homogeneous SmBCO films could be achieved at heating rates of up to 20 °C/min during pyrolysis. The best films were achieved at a crystallization temperature of 810 °C and 50 ppm of oxygen partial pressure. At these conditions, the ~270 nm thick SmBCO films grow mostly c-axis-oriented with J c sf values at 77 K of ~2 MA/cm2 and critical temperatures Tc of up to 95.0 K. These results demonstrate that using extremely-low-fluorine solutions is very attractive since the production rate can be largely increased due to the solutions’ robustness during pyrolysis retaining a remarkable quality of the grown films. Nevertheless, further optimization of the growth process is needed to improve the superconducting properties of the films.

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Section: Discussionsupporting

confidence: 74%

Section: Discussionmentioning

confidence: 61%

Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Cayado

Erbe

et al. 2020

Coatings

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“…According to previous studies, the microstructure of the final deposited thin films is highly dependent on the metal cation concentration (MCC) of the initial precursor solution . Microstructural engineering through different MCCs leads to different crystalline qualities and results in different optoelectronic performances for oxide thin films. , In this study, 4% La-doped BSO (BLSO) thin films were synthesized from precursor solutions with different MCCs. It is found that MCCs have much influence on the crystalline quality and microstructures of the BLSO thin films.…”

Section: Introductionmentioning

confidence: 99%

Microstructural Engineering of Solution-Processed Epitaxial La-Doped BaSnO₃ Transparent Conducting Films

Wei

Zhou

et al. 2021

Crystal Growth & Design

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Epitaxial La-doped BaSnO3 (BLSO) thin films were fabricated on a SrTiO3 (100) substrate by a cost-efficient and scalable solution deposition method. Microstructures and optoelectronic properties of the BLSO thin films can be controlled by the metal cation concentration (MCC) of the initially used precursor solution. It is found that thin films with a denser microstructure, lower resistivity, higher optical transmittance, and good thermal stability can be obtained from the solution with a lower MCC. The growth mechanisms of the initial nucleation are explained in detail for different MCC-derived thin films. Most of all, the highest room-temperature carrier mobility with the value of 53 cm2 V–1 s–1 was achieved among all solution-processed donor-doped BaSnO3 thin films to date. The herein proposed microstructural engineering of the BLSO thin films contributes a sensible and feasible avenue to optimize the optoelectronic performance of transparent conducting thin films by a simple solution approach.

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Influence of metal cation concentration on structure and performance of SmBa2Cu3O7−z superconducting films by non-fluorine CSD method

Cited by 2 publications

References 14 publications

Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Microstructural Engineering of Solution-Processed Epitaxial La-Doped BaSnO₃ Transparent Conducting Films

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Influence of metal cation concentration on structure and performance of SmBa2Cu3O7−z superconducting films by non-fluorine CSD method

Cited by 2 publications

References 14 publications

Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Rapid Pyrolysis of SmBa2Cu3O7-δ Films in CSD-MOD Using Extremely-Low-Fluorine Solutions

Microstructural Engineering of Solution-Processed Epitaxial La-Doped BaSnO3 Transparent Conducting Films

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Microstructural Engineering of Solution-Processed Epitaxial La-Doped BaSnO₃ Transparent Conducting Films