Resolution limits of ion milling for fabricating Y1Ba2Cu3O<i>x</i> nanostructures

Fong, F. O.; Deshmukh, Shashank; Davis, M.F.; Stumbo, D. P.; Wolfe, J. C.; Economou, Demetre J.

doi:10.1063/1.351112

Cited by 4 publications

(3 citation statements)

References 8 publications

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“…The viscous-drag coefficient q can be compared with the standard Bardeen-Stephen approximation [321 ~o (6) t/= 2x~2pn , where p, is the normal-state resistivity. By substituting typical values {~ 2.5 nm and p,~ 100 ~t~ cm, we obtain q~ 1 × 10 -7 kg/ms, which is about a factor 500 larger than the experimentally determined values listed in Table 1.…”

Section: Discussion Of the Measurementsmentioning

confidence: 99%

“…At this moment there are still rather few reports on high-To thin films which are structured in a controllable way to dimensions well below 1 lam [6][7][8][17][18][19][20][21][22][23][24].…”

Section: Preparationmentioning

confidence: 99%

“…In order to improve these high-To devices, high-resolution structuring techniques become important which do not degrade the superconducting properties of the films [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Nivelle

Gerritsma

Rogalla

1994

Physica C: Superconductivity

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Nanobridges with widths down to 140 nm and lengths of about 250 nm were structured in a 25 nm YBa2CuaOT_a thin film, by means of a substrate-etching technique. At low temperatures, the current-voltage characteristics of these bridges show clear signs of periodic single-vortex motion. A quantitative comparison could be made with a vortex-flow model, which describes the forces acting on the vortices inside a hyperbolically shaped nanobridge, with dimensions much smaller than the thin film magnetic-penetration depth. It follows that the related viscous drag coefficient ~/is approximately I. 0 × 10-to kg/ms and the penetration depth is approximately 4 ttm. These values indicate that the transport properties are dominated by the weak-link behaviour of grain boundaries or twin boundaries in the thin film.

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Section: Discussion Of the Measurementsmentioning

confidence: 99%

Section: Preparationmentioning

confidence: 99%

See 1 more Smart Citation

Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Nivelle

Gerritsma

Rogalla

1994

Physica C: Superconductivity

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Pressure and temperature dependence of the critical current density inYBa2Cu3
Bud’ko
¹
,
Davis
²
,
Wolfe
³

et al. 1993
Phys. Rev. B
18
1
4
0
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Vortex motion and Josephson effect in superconducting microbridges in

Nivelle

Aarnink

Pedyash

et al. 1993

IEEE Trans. Appl. Supercond.

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--Microbridges with dimensions smaller than the effective penetration depth X I, have been prepared in epitaxially grown (001) and (105) oriented YBa2Cu&7-6 thin films. The current-voltage characteristics of these bridges show specific kinks and steps which can be attributed to discrete coherent vortex motion along single or multiple paths across the microbridges. The critical current of a configuration with two very small microbridges in parallel, shows periodic SQUID modulation at 4.2 K.

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Resolution limits of ion milling for fabricating Y1Ba2Cu3Ox nanostructures

Abstract: Articles you may be interested inGrowth mechanisms and superconductivity of ultrathin Y1Ba2Cu3O 7−x epitaxial films on (001) MgO substrates Appl.

Cited by 4 publications

References 8 publications

Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Pressure and temperature dependence of the critical current density inYBa2Cu3
Bud’ko
¹
,
Davis
²
,
Wolfe
³

et al. 1993
Phys. Rev. B
18
1
4
0
View full text Add to dashboard Cite

Vortex motion and Josephson effect in superconducting microbridges in

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Resolution limits of ion milling for fabricating Y1Ba2Cu3Ox nanostructures

Abstract: Articles you may be interested inGrowth mechanisms and superconductivity of ultrathin Y1Ba2Cu3O 7−x epitaxial films on (001) MgO substrates Appl.

Cited by 4 publications

References 8 publications

Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Coherent vortex motion in YBa2Cu3O7-δ nanobridges prepared by a substrate-etching technique

Pressure and temperature dependence of the critical current density inYBa2Cu3Bud’ko1, Davis2, Wolfe3 et al. 1993Phys. Rev. B18140View full textAdd to dashboardCite

Vortex motion and Josephson effect in superconducting microbridges in

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Product

Resources

About

Pressure and temperature dependence of the critical current density inYBa2Cu3
Bud’ko
¹
,
Davis
²
,
Wolfe
³

et al. 1993
Phys. Rev. B
18
1
4
0
View full text Add to dashboard Cite