| Records |
| Author |
Tutzauer, H.; Esquinazi, P.; de la Cruz, M.E.; de la Cruz, F. |
| Title |
Production of ribbon quenched samples using an arc furnace |
Type |
Journal Article |
| Year |
1980 |
Publication |
Review of Scientific Instruments |
Abbreviated Journal |
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| Volume |
51 |
Issue |
6 |
Pages |
855-856 |
Keywords  |
FABRICATION; QUENCHING; ELECTRIC ARCS; FURNACES; METALS; ROTATION; CYLINDERS; DATA; LANTHANUM ALLOYS; COPPER ALLOYS; GOLD ALLOYS |
| Abstract |
We describe a new device to produce ribbons of disordered metals by ultrarapid quenching combining an arc furnace with a rotating cylinder. The characterization of samples of disordered La70 Cu30 and La76Au24 prepared using this method shows good agreement with those obtained by other authors for the same alloys. |
| Address |
Centro Atómico Bariloche – Instituto Balseiro |
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| Publisher |
AIP |
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no |
| Call Number |
BT @ pedrazp @ tutzauer:855 |
Serial |
534 |
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| Author |
Luzuriaga, J.; de la Cruz, F. |
| Title |
Reversible magnetization of surface superconductivity |
Type |
Journal Article |
| Year |
1978 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun |
| Volume |
25 |
Issue |
8 |
Pages |
605-607 |
| Keywords |
MAGNETIZATION; SUPERCONDUCTING MATERIALS |
| Abstract |
Direct measurements of the surface superconducting magnetization of the PbTl system shows that this state is a thermodynamic reversible one. |
| Address |
Centro Atómico Bariloche |
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| ISSN |
00381098 (ISSN) |
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no |
| Call Number |
BT @ luzuriag @ |
Serial |
505 |
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| Author |
Luzuriaga, J.; D'Ovidio, C.; de la Cruz, F. |
| Title |
Ideal two dimensional flux pinning induced by annealing in superconducting amorphous Zr75Rh25 |
Type |
Journal Article |
| Year |
1986 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
57 |
Issue |
9 |
Pages |
753-756 |
| Keywords |
ZIRCONIUM COMPOUNDS – Physical Properties; CRITICAL CURRENT; FLUX PINNING; MELT SPINNING; PINNING FORCES; SUPERCONDUCTING MATRIX; SUPERCONDUCTING MATERIALS |
| Abstract |
By annealing amorphous Zr75Rh25 prepared by melt spinning an ideal behaviour of the critical current was observed, in which the measured pinning forces are seen to follow the two dimensional Larkin-Orchivnikov theory. In the region where this theory is valid the changes in the pinning forces can be explained by the changes in the superconducting matrix and it can be assumed that the pinning centers do not change with the heat treatment. |
| Address |
Centro Atomico Bariloche, Instituto Balseiro, 8400 Bariloche, Argentina |
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00381098 (ISSN) |
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| Notes |
Export Date: 28 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Luzuriaga, J.; Centro Atomico Bariloche; Instituto Balseiro 8400 Bariloche, Argentina |
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no |
| Call Number |
BT @ luzuriag @ |
Serial |
501 |
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| Author |
Civale, L.; de la Cruz, F.; Luzuriaga, J. |
| Title |
Critical temperature and density of states in amorphous Zr70Cu30 |
Type |
Journal Article |
| Year |
1983 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
48 |
Issue |
4 |
Pages |
389-391 |
| Keywords |
ZIRCONIUM COPPER ALLOYS |
| Abstract |
By means of thermal heat treatment of amorphous Zr70Cu30 it is shown that the induced decrease in critical temperature is followed by a reduction in the electronic density of states of the same magnitude as that obtained by changing the Cu concentration. This result indicates that the density of states is the fundamental microscopic parameter determining the superconducting behavior. |
| Address |
Centro Atomico Bariloche |
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00381098 (ISSN) |
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| Notes |
Cited By (since 1996): 1; Export Date: 28 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Civale, L.; Centro At |
Approved |
no |
| Call Number |
BT @ luzuriag @ |
Serial |
503 |
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| Author |
Osquiguil, E.; Frank, V.L.P.; de la Cruz, F. |
| Title |
Two dimensional collective flux pinning in melt spun superconducting amorphous Zr70Cu30 |
Type |
Journal Article |
| Year |
1985 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
55 |
Issue |
3 |
Pages |
227-230 |
| Keywords |
ZIRCONIUM COPPER ALLOYS – Amorphous; CRITICAL CURRENTS; PINNING FORCES; SUPERCONDUCTING MATERIALS |
| Abstract |
We have measured the critical currents in melt spun amorphous Zr70Cu30 and their evolution with heat treatment. We found that the pinning forces may be interpreted in terms of the Larkin-Ovchinnikov two dimensional collective pinning theory. |
| Address |
Centro Atómico Bariloche – Instituto Balseiro, Argentina |
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00381098 (ISSN) |
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| Notes |
Cited By (since 1996): 1; Export Date: 17 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Osquiguil, E.J.; Centro At |
Approved |
no |
| Call Number |
BT @ osquigui @ |
Serial |
420 |
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| Author |
Arce, R.; Civale, L.; Luzuriaga, J.; Guimpel, J.; de la Cruz, F. |
| Title |
Surface normal regions in superconducting Zr70Cu30 induced by thermal relaxation |
Type |
Journal Article |
| Year |
1983 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
48 |
Issue |
12 |
Pages |
1027-1030 |
| Keywords |
ZIRCONIUM COPPER ALLOYS – Physical Properties; SUPERCONDUCTING MATERIALS |
| Abstract |
Penetration depth measurements show that thermal heat treatment in amorphous Zr70Cu30 induces a normal region 5000 Å thick at the surface of ultrarapid quenched ribbons. Upper critical field measurements indicate that the new induced phase is a normal one while the rest of the sample remains as a homogeneous superconducting phase. |
| Address |
Centro Atómico Bariloche – Instituto Balseiro |
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00381098 (ISSN) |
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| Notes |
Export Date: 28 April 2009; Source: Scopus; CODEN: SSCOA; Language of Original Document: English; Correspondence Address: Arce, R.; Centro At |
Approved |
no |
| Call Number |
BT @ luzuriag @ |
Serial |
502 |
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| Author |
Esquinazi, P.; de la Cruz, F. |
| Title |
Phonon thermal conductivity limited by electron scattering in amorphous Zr70Cu30 |
Type |
Journal Article |
| Year |
1983 |
Publication |
Physical Review B |
Abbreviated Journal |
Phys. Rev. B |
| Volume |
27 |
Issue |
5 |
Pages |
3069-3072 |
| Keywords |
Zr70Cu30; superconductivity; amorphous |
| Abstract |
The low-temperature thermal conductivity of amorphous Zr70Cu30 is investigated. The lattice thermal conductivity as limited by electrons in the superconducting state has been obtained at temperatures close to Tc. This has allowed for the first time the verification of the temperature dependence of the phonon conductivity as predicted by Bardeen, Rickayzen, and Tewordt. The analysis of the data in the normal and superconducting state shows that Matthiessen's rule can be used in amorphous metals to separate the different scattering processes. |
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| Publisher |
American Physical Society |
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no |
| Call Number |
BT @ pedrazp @ 10.1103/PhysRevB.27.3069 |
Serial |
560 |
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| Author |
Guimpel, J.; de la Cruz, F. |
| Title |
Electrical resistivity of amorphous Zr70Cu30 and the Kondo like model |
Type |
Journal Article |
| Year |
1982 |
Publication |
Solid State Communications |
Abbreviated Journal |
Solid State Commun. |
| Volume |
44 |
Issue |
7 |
Pages |
1045-1046 |
| Keywords |
Zr70Cu30; superconductivity; electrical resistivity; ZIRCONIUM COPPER ALLOYS |
| Abstract |
Electrical resistivity measurements of amorphous Zr70Cu30 as a function of the concentrations of two level systems show that a Kondo like theory cannot explain the observed temperature dependence. |
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0038-1098 |
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no |
| Call Number |
BT @ pedrazp @ |
Serial |
540 |
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