2020
DOI: 10.1039/d0tc01846e
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Pyrolysis study of solution-derived superconducting YBa2Cu3O7films: disentangling the physico-chemical transformations

Abstract:

Pyrolysis transformations, wrinkling and cracking, of thick solution-derived epitaxial superconducting YBa2Cu3O7 films are disclosed through in situ analytical studies.

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Cited by 12 publications
(26 citation statements)
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“…On the other hand, as depicted in gure 8(b), thick lms offer at 4.2 K higher total critical current I c values in comparison with the pristine thin lm up to 35 T, despite of their lower J c values. This reinforces the need to further understand and optimize the growth of thick lms (using inkjet printing in this case 73 ). Our study on CSD lms suggests that the selection of thick nanocomposite lms is especially bene cial for the design of CCs operating at the range of 5-10 T offering 6 and 2.5 times larger I c values than the thin and thick pristine lms respectively.…”
Section: Density Strength and Energy Scale Of Vortex Pinning Centres Up To 35tmentioning
confidence: 66%
“…On the other hand, as depicted in gure 8(b), thick lms offer at 4.2 K higher total critical current I c values in comparison with the pristine thin lm up to 35 T, despite of their lower J c values. This reinforces the need to further understand and optimize the growth of thick lms (using inkjet printing in this case 73 ). Our study on CSD lms suggests that the selection of thick nanocomposite lms is especially bene cial for the design of CCs operating at the range of 5-10 T offering 6 and 2.5 times larger I c values than the thin and thick pristine lms respectively.…”
Section: Density Strength and Energy Scale Of Vortex Pinning Centres Up To 35tmentioning
confidence: 66%
“…From EGA−FTIR (Figures 5b and S10) and EGA−MS analyses, it was verified that the volatiles including TFAH and most of the propionate moieties were decomposed below ∼300 °C, similar to solution 4. 40 The last peak in the dTG appearing at T ∼ 309 °C (Figure 5b) and differential scanning calorimetry (DSC) (Figure S10) is only observed in the 4 + V film. It corresponds to CO 2 , and it is linked to the decomposition of acrylate derivatives.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
“…In this high-temperature range of region III (T > 270 °C), as we mentioned above, a small fraction of the metalorganic skeleton (mainly acrylate derivatives) remains, while the film becomes stiffer when the transformation to a nanoporous solid occurs. 40 Therefore, it is important to preserve part of the acrylate skeleton at higher temperatures to soften the elastic solid associated to the inorganic amorphous or nanocrystalline nanoparticles, thus smoothing the shrinkage process and ensuring the film integrity. 58 We may wonder why displacing the shrinkage at higher temperatures would improve the resilience of the films against crack formation.…”
Section: ■ Results and Discussionmentioning
confidence: 99%
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