Radio-frequency SQUID operation using a ceramic high-temperature superconductor

Colclough, M. S.; Gough, C.E.; Keene, M.N.; Muirhead, C. M.; Thomas, Neil; Abell, J.S.; Sutton, S.

doi:10.1038/328047a0

Cited by 69 publications

(16 citation statements)

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“…It was immediately apparent that small-scale devices would require the development of thin-film techniques, and to provide a framework for this research many groups focused on the superconducting quantum interference device (SQUID). Thus at a very early stage of the field Koch et al (1987) and subsequently Nakane et al (1987) fabricated the first thin-film dc SQUIDs; the first rf SQUIDs appeared a little later (Colclough et al, 1987;Zimmerman et al, 1987), although they were actually formed from bulk YBCO. There were several good reasons for choosing the SQUID as a vehicle for the development of this new technology.…”

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confidence: 99%

High-transition-temperature superconducting quantum interference devices

et al. 1999

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High-transition-temperature superconducting quantum interference devices

et al. 1999

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“…Niobium (Nb) or other metal alloys are used in the device which needs to be operated at temperatures very close to the absolute zero to main superconductivity, where liquid helium is used to maintain the cold environment [ 223 ]. However, other kinds of SQUID also exist where high-temperature superconductors are used [ 224 ]. After reaching superconducting environments, the Josephson junctions contained in the device help to create a supercurrent, which is recorded and used to calculate the magnetic properties of the sample [ 225 ].…”

Section: Nanoparticles (Nps)mentioning

confidence: 99%

Nanoparticle classification, physicochemical properties, characterization, and applications: a comprehensive review for biologists

2022

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Interest in nanomaterials and especially nanoparticles has exploded in the past decades primarily due to their novel or enhanced physical and chemical properties compared to bulk material. These extraordinary properties have created a multitude of innovative applications in the fields of medicine and pharma, electronics, agriculture, chemical catalysis, food industry, and many others. More recently, nanoparticles are also being synthesized ‘biologically’ through the use of plant- or microorganism-mediated processes, as an environmentally friendly alternative to the expensive, energy-intensive, and potentially toxic physical and chemical synthesis methods. This transdisciplinary approach to nanoparticle synthesis requires that biologists and biotechnologists understand and learn to use the complex methodology needed to properly characterize these processes. This review targets a bio-oriented audience and summarizes the physico–chemical properties of nanoparticles, and methods used for their characterization. It highlights why nanomaterials are different compared to micro- or bulk materials. We try to provide a comprehensive overview of the different classes of nanoparticles and their novel or enhanced physicochemical properties including mechanical, thermal, magnetic, electronic, optical, and catalytic properties. A comprehensive list of the common methods and techniques used for the characterization and analysis of these properties is presented together with a large list of examples for biogenic nanoparticles that have been previously synthesized and characterized, including their application in the fields of medicine, electronics, agriculture, and food production. We hope that this makes the many different methods more accessible to the readers, and to help with identifying the proper methodology for any given nanoscience problem.

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“…However, when the film thickness reaches the critical value of 200-220 nm, the further growth occurs in the form of misaligned grains as we infer from the structural results. The system of superconducting grains is likely to be coupled by Josephson junctions [9]. The behavior of the current in the grainboundary Josephson junctions inside a superconductor with d x 2 −y 2 -wave pairing symmetry depends on the angles α and β formed between the crystalline axes on both sides of junction and the normal to the junction interface [10].…”

Section: Resultsmentioning

confidence: 99%

Effect of the In-Plane Epitaxial Mismatch between the Substrate and the Film on the Properties of YBa₂Cu₃O_7-δFilms

et al. 2006

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We study the effect of the in-plane epitaxial mismatch between the substrate and the film on the crystallographic structure and the transport properties of YBa 2 Cu 3 O 7−δ superconducting films of thicknesses ranging between 600 and 3000Å. The films are grown by pulsed laser deposition on the new type of single-crystalline substrates prepared by Czochralski method, with the chemical formula (SrAl 0.5 Ta 0.5 O 3 ) 0.7 (CaAl 0.5 Ta 0.5 O 3 ) 0.1 (LaAlO 3 ) 0.2 . We find that superconducting properties of the samples are excellent, and generally they improve with increasing of the film thickness as a result of improved structural ordering. We also investigate the influence of the film thickness on the behavior of the critical current densities.

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Radio-frequency SQUID operation using a ceramic high-temperature superconductor

Cited by 69 publications

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High-transition-temperature superconducting quantum interference devices

High-transition-temperature superconducting quantum interference devices

Nanoparticle classification, physicochemical properties, characterization, and applications: a comprehensive review for biologists

Effect of the In-Plane Epitaxial Mismatch between the Substrate and the Film on the Properties of YBa₂Cu₃O_7-δFilms

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Radio-frequency SQUID operation using a ceramic high-temperature superconductor

Cited by 69 publications

References 0 publications

High-transition-temperature superconducting quantum interference devices

High-transition-temperature superconducting quantum interference devices

Nanoparticle classification, physicochemical properties, characterization, and applications: a comprehensive review for biologists

Effect of the In-Plane Epitaxial Mismatch between the Substrate and the Film on the Properties of YBa2Cu3O7-δFilms

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Effect of the In-Plane Epitaxial Mismatch between the Substrate and the Film on the Properties of YBa₂Cu₃O_7-δFilms