Transport properties, phase transition, and recovery near 200 K of proton-irradiated Y<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Ba</mml:mi></mml:mrow><mml:mrow><mml:mn>2</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">Cu</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mm

Xiong, Gengyan; Li, H. C.; Linker, G.; Meyer, O.

doi:10.1103/physrevb.38.240

Cited by 108 publications

(15 citation statements)

References 12 publications

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“…This energy range damage results from nuclear elastic collisions, and basically consists of point defects due to atomic displacements. 4 It has been proposed that irradiation induced disorder occurs mainly in the oxygen sublattice, such that the original superconducting properties can be partially recovered with low temperature annealing.…”

Section: ͓S0003-6951͑00͒05322-5͔mentioning

confidence: 99%

Critical temperature depression and persistent photoconductivity in ion irradiated YBa2Cu3O7−x films and YBa2Cu3O7−x/PrBa2Cu3O7 superlattices

Navacerrada

Arias

Sefrioui

et al. 2000

Applied Physics Letters

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We have studied the effect of He+ irradiation with doses in the range 1012–2×1015 cm−2 on two high-temperature superconducting structures: YBa2Cu3O7−x (YBCO) films and YBa2Cu3O7−x/PrBa2Cu3O7 (YBCO/PBCO) superlattices. In particular we have focused on superlattices [YBCON/PBCOM]1000 Å with N=1, 8 unit cells of YBCO, and M=5 unit cells of PBCO, with a total thickness of 1000 Å. The analysis is presented in terms of depression of the critical temperature (Tc) and modification of the crystalline structure using X ray refinement technique. Single films show a systematic increase in the c-lattice parameter upon irradiation, which is not observed in thin one unit cell YBCO layers in superlattice structures. However, Tc depression resulting from irradiation is deeper in superlattices. These results are explained considering the strained nature of the as-grown [YBCON/PBCO5]1000 Å superlattices with low values of N. Both structures show persistent photoconductivity, indicating that defects are related to oxygen displacements in the Cu–O chains.

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Section: ͓S0003-6951͑00͒05322-5͔mentioning

confidence: 99%

Critical temperature depression and persistent photoconductivity in ion irradiated YBa2Cu3O7−x films and YBa2Cu3O7−x/PrBa2Cu3O7 superlattices

Navacerrada

Arias

Sefrioui

et al. 2000

Applied Physics Letters

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“…4 gives percentage of resistivity recovered at different temperatures, obtained from the differences of the actual resistivity measured and its extrapolated values. Earlier studies have indicated that disorder induced in the CuO basal plane of YBCO by irradiation with energetic particle [25,26] tend to anneal out above 150 K. Our observation of the initiation of annealing process beyond 150 K thus indicates that the softly damaged regions around the 200 MeV Ag ion tracks are disorder in the CuO basal planes. Recovery of oxygen disorder in the CuO basal planes, in addition to depending on temperature, is expected to depend on the time of annealing at a given temperature.…”

Section: Annealing Characteristics Of Irradiation Induced Point Defectsmentioning

confidence: 56%

“…The tendency of the superconducting transition temperature and normal state resistivity to recover to their pre-irradiation values indicates recovery of irradiation induced defects on annealing at 297 K. Annealing of defects in YBCO induced either by ion irradiation [20,25,26] or by quenching from high temperatures [27,28] has been shown to occur even at temperatures much lower than room temperature. To find the exact temperature in our case where annealing starts to occurs, we monitored the evolution of q(T) above superconducting transition with increasing temperature after irradiating the film at different fluences at 79 K ( Fig.…”

Section: Annealing Characteristics Of Irradiation Induced Point Defectsmentioning

confidence: 96%

Selective disorder in the CuO basal planes of YBa2Cu3O7−y by swift heavy ion induced secondary electrons

Biswal

John

Avasthi

et al. 2010

Nuclear Instruments and Methods in Physics Research Section B:

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“…15-23). Proton irradiation appears to produce rather similar effects to those of neutron irradiation (Xiong et al, 1988;Civale et al, 1990).…”

Section: Irradiation Effectsmentioning

confidence: 60%

Oxide Superconductors

Clarke

Däumling

2006

Materials Science and Technology

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Transport properties, phase transition, and recovery near 200 K of proton-irradiated YBa2Cu3

Cited by 108 publications

References 12 publications

Critical temperature depression and persistent photoconductivity in ion irradiated YBa2Cu3O7−x films and YBa2Cu3O7−x/PrBa2Cu3O7 superlattices

Critical temperature depression and persistent photoconductivity in ion irradiated YBa2Cu3O7−x films and YBa2Cu3O7−x/PrBa2Cu3O7 superlattices

Selective disorder in the CuO basal planes of YBa2Cu3O7−y by swift heavy ion induced secondary electrons

Oxide Superconductors

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