Preparation of (Tl,Bi)(Ba0.4,Sr1.6)Ca2Cu3O9 thick films epitaxially grown on LaAlO3 (100) substrates by a sol-gel process

Spreitzer, U.; Mayerhöfer, Thomas G.; Reschauer, N.; Löw, R.; Range, K.‐J.; Kraus, M.; Hasselt, Peter van; Markel, J.; Müller, Paul; Renk, K. F.

doi:10.1007/bf00753885

Cited by 4 publications

(2 citation statements)

References 18 publications

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“…It appears that there are more particles in side b than in side a. Also, we note that there are some submicron holes on the surface, which are also found in other Tl-based thin films [27,30].…”

Section: Resultssupporting

confidence: 70%

“…In the two-step process, precursor films are deposited on substrates first and then a post-annealing treatment is carried out, with the films being exposed to Tl 2 O vapour at high temperature to form the Tl-2212 phase. The amorphous precursor films used for the post-annealing treatment can be deposited by several techniques such as pulsed laser deposition (PLD), magnetron sputtering, electrochemical deposition, chemical vapour deposition (CVD), metal-organic chemical vapour deposition (MOCVD), spray deposition and the sol-gel method [26][27][28][29][30][31]. The post-annealing treatment can be carried out in a single-or in a two-zone furnace.…”

Section: Introductionmentioning

confidence: 99%

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Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

Zheng

et al. 2004

Supercond. Sci. Technol.

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Double-sided Tl2Ba2CaCu2O8 (Tl-2212) thin films have been prepared on lanthanum aluminate (LaAlO3) substrates by a two-step method in which Tl-free amorphous Ba2CaCu2Ox precursor films were first deposited on the substrates by pulsed laser deposition (PLD) and the subsequent thalliation, crystallization and oriented growth of the superconducting Tl-2212 films were obtained in a long-duration annealing process in argon atmosphere at temperature around 730–750 °C. The films were characterized by means of x-ray diffraction (XRD), electron simulated x-ray microanalysis in the energy dispersive mode (EDX), scanning electron microscopy (SEM) and transport measurements. The results show that the as-prepared films are predominately single phase, except for the presence of some submicron particles on the film surface. The films show epitaxial growth with c-axis perpendicular to the substrate surface, as confirmed by XRD. The full width at half maximum (FWHM) of the (0012) peak determined from the rocking curves is 0.92° and 1.21° for the two sides of a double-sided Tl-2212 film, respectively. The zero-resistance transition temperature (TC0) is 108.8 K for one side and 106.7 K for the other side of the film. The critical current density (JC) is in excess of 106 A cm−2 for both sides of the films.

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Section: Resultssupporting

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

Zheng

et al. 2004

Supercond. Sci. Technol.

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Cao

Fang

et al. 1999

Journal of Materials Science Letters

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Tl-2212 thin films annealed in a Al₂O₃crucible and a steel container

Zheng

et al. 2006

Eur. Phys. J. Appl. Phys.

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Preparation of (Tl,Bi)(Ba0.4,Sr1.6)Ca2Cu3O9 thick films epitaxially grown on LaAlO3 (100) substrates by a sol-gel process

Cited by 4 publications

References 18 publications

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

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Tl-2212 thin films annealed in a Al₂O₃crucible and a steel container

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Preparation of (Tl,Bi)(Ba0.4,Sr1.6)Ca2Cu3O9 thick films epitaxially grown on LaAlO3 (100) substrates by a sol-gel process

Cited by 4 publications

References 18 publications

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO3substrates with low temperature and long time annealing

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO3substrates with low temperature and long time annealing

Untitled

Tl-2212 thin films annealed in a Al2O3crucible and a steel container

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Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

Preparation and superconducting properties of double-sided Tl-2212 thin films on LaAlO₃substrates with low temperature and long time annealing

Tl-2212 thin films annealed in a Al₂O₃crucible and a steel container