Microwave absorption study in the ferromagnetic superconductor Gd1.4Ce0.6RuSr2Cu2O10-δ

N. O. Moreno; P. G. Pagliuso; J. C.P. Campoy; E. Granado; C. Rettori; S. W. Cheong; S. B. Oseroff

doi:10.1002/1521-3951(200007)220:1<541::AID-PSSB541>3.0.CO;2-0

Microwave absorption study in the ferromagnetic superconductor Gd_1.4Ce_0.6RuSr₂Cu₂O_10-δ

N. O. Moreno, P. G. Pagliuso, J. C.P. Campoy, E. Granado, C. Rettori, S. W. Cheong, S. B. Oseroff

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3 Scopus citations

Abstract

We have performed microwave absorption (MWA) and ferromagnetic resonance measurements (FMR) in Gd_1.4Ce_0.6RuSr₂Cu₂O_10-δ polycrystalline samples between 300 and 8 K. Below the magnetic ordering temperature (T_m, ≈ 89 K) a MWA is observed due to the appearance of weak ferromagnetism (WFMWA). The intensity of the WFMWA decreases as T approaches the superconducting (SC) state at T_c ≈ 45 K. For T ≤ T_c, a new and much stronger MWA (SCMWA) is found. This SCMWA may be associated to Josephson intergrain and to viscose dynamic dissipation of intragrain Abrikosov vortex in the SC state.

Original language	English (US)
Pages (from-to)	541-543
Number of pages	3
Journal	Physica Status Solidi (B) Basic Research
Volume	220
Issue number	1
DOIs	https://doi.org/10.1002/1521-3951(200007)220:1<541::AID-PSSB541>3.0.CO;2-0
State	Published - Jul 2000
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/1521-3951(200007)220:1<541::AID-PSSB541>3.0.CO;2-0

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title = "Microwave absorption study in the ferromagnetic superconductor Gd1.4Ce0.6RuSr2Cu2O10-δ",

abstract = "We have performed microwave absorption (MWA) and ferromagnetic resonance measurements (FMR) in Gd1.4Ce0.6RuSr2Cu2O10-δ polycrystalline samples between 300 and 8 K. Below the magnetic ordering temperature (Tm, ≈ 89 K) a MWA is observed due to the appearance of weak ferromagnetism (WFMWA). The intensity of the WFMWA decreases as T approaches the superconducting (SC) state at Tc ≈ 45 K. For T ≤ Tc, a new and much stronger MWA (SCMWA) is found. This SCMWA may be associated to Josephson intergrain and to viscose dynamic dissipation of intragrain Abrikosov vortex in the SC state.",

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T1 - Microwave absorption study in the ferromagnetic superconductor Gd1.4Ce0.6RuSr2Cu2O10-δ

AU - Moreno, N. O.

AU - Pagliuso, P. G.

AU - Campoy, J. C.P.

AU - Granado, E.

AU - Rettori, C.

AU - Cheong, S. W.

AU - Oseroff, S. B.

PY - 2000/7

Y1 - 2000/7

N2 - We have performed microwave absorption (MWA) and ferromagnetic resonance measurements (FMR) in Gd1.4Ce0.6RuSr2Cu2O10-δ polycrystalline samples between 300 and 8 K. Below the magnetic ordering temperature (Tm, ≈ 89 K) a MWA is observed due to the appearance of weak ferromagnetism (WFMWA). The intensity of the WFMWA decreases as T approaches the superconducting (SC) state at Tc ≈ 45 K. For T ≤ Tc, a new and much stronger MWA (SCMWA) is found. This SCMWA may be associated to Josephson intergrain and to viscose dynamic dissipation of intragrain Abrikosov vortex in the SC state.

AB - We have performed microwave absorption (MWA) and ferromagnetic resonance measurements (FMR) in Gd1.4Ce0.6RuSr2Cu2O10-δ polycrystalline samples between 300 and 8 K. Below the magnetic ordering temperature (Tm, ≈ 89 K) a MWA is observed due to the appearance of weak ferromagnetism (WFMWA). The intensity of the WFMWA decreases as T approaches the superconducting (SC) state at Tc ≈ 45 K. For T ≤ Tc, a new and much stronger MWA (SCMWA) is found. This SCMWA may be associated to Josephson intergrain and to viscose dynamic dissipation of intragrain Abrikosov vortex in the SC state.

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Microwave absorption study in the ferromagnetic superconductor Gd_1.4Ce_0.6RuSr₂Cu₂O_10-δ

Abstract

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