Superconducting Fluctuations Above the Critical Temperature in Bi2Sr2Ca1−xYxCu2O8+δ as Revealed by Microwave Absorption

I. Gimazov, Yu Talanov, V. Sakhin, T. Adachi, T. Noji, Y. Koike

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The superconducting fluctuations above the critical temperature in Bi2Sr2Ca1−xYxCu2O8+δ (x = 0–0.3) single crystals are studied by microwave absorption (MWA). The maximum in the MWA temperature dependence was observed close to the critical temperature. Its formation is explained by the change of the quasiparticle density of states due to superconducting fluctuations. The fluctuation area boundary is plotted on the phase diagram using the variation of the MWA temperature dependence with the hole density and is compared with the pseudogap phase behavior.

Original languageEnglish
Pages (from-to)861-870
Number of pages10
JournalApplied Magnetic Resonance
Volume48
Issue number9
DOIs
Publication statusPublished - 2017 Sep 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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