Phonon echo in high-temperature superconductors as a nonlinear magnetoacoustic phenomenon

被引：1

作者：

Pleshakov, I. V. ^{[1
]}

Ylinen, E. ^{[2
]}

Fofanov, Ya. A. ^{[3
]}

Dudkin, V. I. ^{[4
]}

Tarkhanov, V. I. ^{[4
]}

机构：

[1] Russian Acad Sci, AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[2] Univ Turku, Dept Phys & Astron, Wihuri Phys Lab, FI-20014 Turku, Finland

[3] Russian Acad Sci, Inst Analyt Instrumentat, St Petersburg 190103, Russia

[4] St Petersburg State Polytech Univ, St Petersburg 195251, Russia

来源：

TECHNICAL PHYSICS | 2011年 / 56卷 / 03期

关键词：

DYNAMIC POLARIZATION ECHOES; POWDER; YBA2CU3OX;

D O I：

10.1134/S1063784211030157

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The nonlinear behavior of a phonon echo signal in high-temperature superconductors is studied experimentally. It is demonstrated that conventional consideration of anharmonic effects is insufficient for comprehensive explanation of the echo signal behavior. It is shown that the nonlinear properties of the phonon echo should be taken into account when the phonon echo is used as a means for studying superconductor parameters. An increase in the elastic nonlinearity in iron-doped yttrium ceramics is found.

引用

页码：381 / 385

页数：5

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