Ac response of the vortex system in a Pr1.85Ce0.15CuO4-y single crystal

L. Fàbrega; J. Fontcuberta; S. Piñol; C. J. Van Der Beek; P. H. Kes

doi:10.1103/PhysRevB.47.15250

Ac response of the vortex system in a Pr1.85Ce0.15CuO4-y single crystal

L. Fàbrega
, J. Fontcuberta
, S. Piñol
, C. J. Van Der Beek
, P. H. Kes

Research output: Contribution to journal › Article › peer-review

Abstract

We have studied the field, frequency, and amplitude dependence of the ac susceptibility on a single crystal of the electron-doped superconductor Pr1.85Ce0.15CuO4-y. We show that a thermally activated flux motion over effective energy barriers U(T,H)=U0(1-T/Tc)H-0.6, with U040 meV, can account for the dc-field and frequency effects. The amplitude dependence of the ac response in this superconducting system is discussed and it is argued that it is a signature of the critical state.

Original language	English
Pages (from-to)	15250-15255
Number of pages	6
Journal	Physical Review B
Volume	47
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevB.47.15250
Publication status	Published - 1 Jan 1993
Externally published	Yes

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title = "Ac response of the vortex system in a Pr1.85Ce0.15CuO4-y single crystal",

abstract = "We have studied the field, frequency, and amplitude dependence of the ac susceptibility on a single crystal of the electron-doped superconductor Pr1.85Ce0.15CuO4-y. We show that a thermally activated flux motion over effective energy barriers U(T,H)=U0(1-T/Tc)H-0.6, with U040 meV, can account for the dc-field and frequency effects. The amplitude dependence of the ac response in this superconducting system is discussed and it is argued that it is a signature of the critical state.",

author = "L. F{\`a}brega and J. Fontcuberta and S. Pi{\~n}ol and \{Van Der Beek\}, \{C. J.\} and Kes, \{P. H.\}",

year = "1993",

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doi = "10.1103/PhysRevB.47.15250",

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T1 - Ac response of the vortex system in a Pr1.85Ce0.15CuO4-y single crystal

AU - Fàbrega, L.

AU - Fontcuberta, J.

AU - Piñol, S.

AU - Van Der Beek, C. J.

AU - Kes, P. H.

PY - 1993/1/1

Y1 - 1993/1/1

N2 - We have studied the field, frequency, and amplitude dependence of the ac susceptibility on a single crystal of the electron-doped superconductor Pr1.85Ce0.15CuO4-y. We show that a thermally activated flux motion over effective energy barriers U(T,H)=U0(1-T/Tc)H-0.6, with U040 meV, can account for the dc-field and frequency effects. The amplitude dependence of the ac response in this superconducting system is discussed and it is argued that it is a signature of the critical state.

AB - We have studied the field, frequency, and amplitude dependence of the ac susceptibility on a single crystal of the electron-doped superconductor Pr1.85Ce0.15CuO4-y. We show that a thermally activated flux motion over effective energy barriers U(T,H)=U0(1-T/Tc)H-0.6, with U040 meV, can account for the dc-field and frequency effects. The amplitude dependence of the ac response in this superconducting system is discussed and it is argued that it is a signature of the critical state.

U2 - 10.1103/PhysRevB.47.15250

DO - 10.1103/PhysRevB.47.15250

M3 - Article

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SN - 0163-1829

VL - 47

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EP - 15255

JO - Physical Review B

JF - Physical Review B

IS - 22

ER -

Ac response of the vortex system in a Pr1.85Ce0.15CuO4-y single crystal

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