Low-field microwave absorption in high-Tc superconducting oxides

B. L. Ramakrishna; E. W. Ong; Z. Iqbal

doi:10.1063/1.342210

Low-field microwave absorption in high-T_c superconducting oxides

B. L. Ramakrishna, E. W. Ong, Z. Iqbal

Engineering of Matter, Transport and Energy, School for (IAFSE-SEMTE)

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

8 Scopus citations

Abstract

Low-field nonresonant microwave absorption in an electron paramagnetic resonance spectrometer has been observed in the superconducting state of different samples of the new high-T_c oxides, YBa₂Cu ₃O_7-x (powder pellets and single crystals), La _1.8Sr_0.2CuO₄, and Bi-Sr-Ca-Cu-O. It has been attributed to flux slippage occurring at the Josephson junctions existing in the granular composite materials. The dependence on particle size, temperature, microwave power, dc modulation amplitude, and magnetic field has been studied.

Original language	English (US)
Pages (from-to)	5803-5805
Number of pages	3
Journal	Journal of Applied Physics
Volume	64
Issue number	10
DOIs	https://doi.org/10.1063/1.342210
State	Published - Dec 1 1988

ASJC Scopus subject areas

General Physics and Astronomy

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10.1063/1.342210

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abstract = "Low-field nonresonant microwave absorption in an electron paramagnetic resonance spectrometer has been observed in the superconducting state of different samples of the new high-Tc oxides, YBa2Cu 3O7-x (powder pellets and single crystals), La 1.8Sr0.2CuO4, and Bi-Sr-Ca-Cu-O. It has been attributed to flux slippage occurring at the Josephson junctions existing in the granular composite materials. The dependence on particle size, temperature, microwave power, dc modulation amplitude, and magnetic field has been studied.",

author = "Ramakrishna, {B. L.} and Ong, {E. W.} and Z. Iqbal",

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AU - Ramakrishna, B. L.

AU - Ong, E. W.

AU - Iqbal, Z.

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N2 - Low-field nonresonant microwave absorption in an electron paramagnetic resonance spectrometer has been observed in the superconducting state of different samples of the new high-Tc oxides, YBa2Cu 3O7-x (powder pellets and single crystals), La 1.8Sr0.2CuO4, and Bi-Sr-Ca-Cu-O. It has been attributed to flux slippage occurring at the Josephson junctions existing in the granular composite materials. The dependence on particle size, temperature, microwave power, dc modulation amplitude, and magnetic field has been studied.

AB - Low-field nonresonant microwave absorption in an electron paramagnetic resonance spectrometer has been observed in the superconducting state of different samples of the new high-Tc oxides, YBa2Cu 3O7-x (powder pellets and single crystals), La 1.8Sr0.2CuO4, and Bi-Sr-Ca-Cu-O. It has been attributed to flux slippage occurring at the Josephson junctions existing in the granular composite materials. The dependence on particle size, temperature, microwave power, dc modulation amplitude, and magnetic field has been studied.

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Low-field microwave absorption in high-T_c superconducting oxides

Abstract

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