Superconductivity in electronics

Silver, A. H.

doi:10.1109/77.614421

Cited by 16 publications

(3 citation statements)

References 22 publications

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“…The application of high-temperature superconducting (HTS) materials in the field of electronic devices requires the manufacturing of thin films with good superconducting and morphological properties [1,2]. Due to its simplicity and versatility, pulsed laser deposition (PLD) is one of the most used techniques for HTS thin-film deposition.…”

Section: Introductionmentioning

confidence: 99%

Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates

Fabbri

Padeletti

Petrișor

et al. 2000

Supercond. Sci. Technol.

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A morphological study of on-axis NdBa2Cu3O7-δ (NBCO) and on-axis and off-axis YBa2Cu3O7-δ (YBCO) pulsed laser deposited films is presented. YBCO films deposited in on-axis geometry exhibit a high droplet density of about 107 cm-2 and three-dimensional features probably related to stoichiometric outgrowths. YBCO off-axis films present a surface with very low droplet density (about 105 cm-2) and the density of other defects like holes and stoichiometric outgrowths is less than 103 cm-2. In spite of a higher droplet density with respect to off-axis YBCO (about 106 cm-2), NBCO films have a surface without other defects. Moreover, the NBCO film morphology is almost insensitive to variation in the deposition conditions. Atomic force microscopy analysis revealed that YBCO off-axis deposited films grow in a spiral growth mode, while NBCO films exhibit a texture, probably due to an initial two-dimensional growth. The YBCO off-axis and NBCO films have a mean roughness in a 10×10 µm2 area of about 7.5 and 1.45 nm, respectively.

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Section: Introductionmentioning

confidence: 99%

Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates

Fabbri

Padeletti

Petrișor

et al. 2000

Supercond. Sci. Technol.

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“…After the discovery of superconductor oxides or high temperature superconductor (HTS) materials in the 1980 many applications with them have been feasible as much point of view economic as scientific [1][2][3][4]. In this way, the superconductor materials have lately received special attention, because these kind of materials are a promising area in terms of technological applications, specially in electronic area.…”

Section: Introductionmentioning

confidence: 99%

“…In this way, the superconductor materials have lately received special attention, because these kind of materials are a promising area in terms of technological applications, specially in electronic area. Thereby superconductor thin film has also received special attention because it maybe used in the fabrication of microwave integrated circuits, mobile communication base stations, in electronic components such as oscillators, filters, mixers, ultra fast switch circuits, SQUIDs -Superconducting Quantum Interference Devices and so on [1][2][3][4][5]. Basically it has been used two processes to obtain thin films, physical and chemical process.…”

Section: Introductionmentioning

confidence: 99%

Electrical Devices Obtained From Polymeric Precursors Process

2006

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Nowadays, many investments have been made in the area of superconductor materials, with the aim to improve their potential technological applications. Applications on the energy transport using cables, to get high resolution images in the medicine use high magnetic fields, high speed signals use superconductor devices all of them are in crescent evidence and they are showing that the future is coming and next for this new kind of materials. Obviously that everything of this is possible due to the increasing of research with new materials, where the synthesis, characterization and applications are of the mainly objective of these researches. The production of cable for the energy transport has been in advanced stage as the bulks production is too. However, the film production that to aim at the electronic devices area is not as developed or it still need expensive investments. Thinking about that, we are developing a research where we may increase the relation of cost/benefits. Thereby, we are applying the polymeric precursors method to obtain films that will be used in the built of electronic devices. Thin films (mono and multilayers, on crystalline or metallic substrates, controlled thickness) of the BSCCO system have been obtained from dip coating deposition process with excellent results in terms of preferential orientation, controlled thickness, a large area, which may indicate future applications. Based on these results, we present an electrical circuit and their principal characteristics as superconductor transition (85K), transport current density and structure. DC four probes method, scanning electron microscopy, digital optical microscopy and X-ray diffractometry were some techniques used for the characterization of this superconductor electric device.

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Applications of Superconductivity

Buckel

Kleiner

2004

Superconductivity

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Superconductivity in electronics

Cited by 16 publications

References 22 publications

Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates

Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates

Electrical Devices Obtained From Polymeric Precursors Process

Applications of Superconductivity

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Superconductivity in electronics

Cited by 16 publications

References 22 publications

Surface morphology of pulsed laser deposited YBa2Cu3O7-δand NdBa2Cu3O7-δthin films on SrTiO3substrates

Surface morphology of pulsed laser deposited YBa2Cu3O7-δand NdBa2Cu3O7-δthin films on SrTiO3substrates

Electrical Devices Obtained From Polymeric Precursors Process

Applications of Superconductivity

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Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates

Surface morphology of pulsed laser deposited YBa₂Cu₃O_7-δand NdBa₂Cu₃O_7-δthin films on SrTiO₃substrates