Preparation and microwave characterization of TBCCO-films

Manzel, M.; Bruchlos, H.; Huber, Stefan; Kuhn, Manuela; Keppler, Angela; Hinken, J.H.

doi:10.1016/0921-4534(94)91580-6

Cited by 4 publications

(2 citation statements)

References 3 publications

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“…The microwave power handling capability of HTS thin films is also determined by intergranular weak-link effects. The power handling capability of TBCCO thin films can be improved by increasing the grain size [161] and by achieving biaxial grain alignment [162]. When the grain boundaries are not weakly linked (i.e.…”

Section: Correlation Between Microstructure and Superconducting Prope...mentioning

confidence: 99%

“…However, for practical applications, improved power handling is required to enable HTS thinfilm technology to be used for both receiving (low-power) and transmitting (high-power) functions. In addition to improving the quality of the films by increasing the grain size [161] and achieving biaxial grain alignment [162] by control of the processing parameters and increasing J c through increased flux pinning, it is necessary to improve microwave device design. Microstrip resonators have limited power handling capability because of the narrow line widths and current concentrations at the edges of microstrips [205][206][207].…”

Section: Passive Microwave Devicesmentioning

confidence: 99%

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Thallium-based HTS thin films, processing, properties and applications

Bramley¹,

O'connor²,

Grovenor³

1999

Supercond. Sci. Technol.

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Thin films of the Tl-based high-temperature superconducting (HTS) phases are beginning to find application in a number of practical devices, especially in the field of microwave communication systems. This review describes the issues surrounding the fabrication of thin films of the thallium-based HTS materials. The influence of thermodynamics and kinetics, the various potential thalliation techniques and the selection of an appropriate substrate material are all important considerations when designing a process for the fabrication of thin films of these highly reactive materials. The properties of the resulting films are critically dependent on the microstructures developed during thalliation. Microstructural evolution during thalliation, the effect of structural defects on the properties of such films and the importance of achieving biaxial grain alignment in optimizing the properties of the films are all discussed.

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Section: Correlation Between Microstructure and Superconducting Prope...mentioning

confidence: 99%