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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2009, Volume 90, Issue 3, Pages 222–226
(Mi jetpl499)
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This article is cited in 2 scientific papers (total in 2 papers)
CONDENSED MATTER
Detection of vortex excitations in a $\mathrm{Bi_2Sr_2Ca_2Cu_3O_{10}}$ crystal at temperatures above the critical temperature by EPR of the surface layer
Yu. I. Talanova, L. F. Salakhutdinova, E. Gianninib, R. Khasanovc a Zavoisky Physical Technical Institute RAS
b Département de Physique de la Matière Condensée, Université de Genève, 1211
Geneva, Switzerland
c Paul Scherrer Institut, Laboratory for Muon-Spin Spectroscopy, 5232 Villigen, Switzerland
Abstract:
Vortex excitations have been detected at temperatures both below and above the critical temperature when investigating local magnetic fields on the surface of a Bi2Sr2Ca2Cu3O10 single crystal by means of an electron paramagnetic resonance (EPR) probe. A thin layer of a diphenyl picrylhydrazyl organic radical deposited on the crystal surface is used as the EPR probe. A narrow EPR signal makes it possible to detect weak distortions of the magnetic field appearing at T ≿ T c. The analysis of the temperature dependences of the resonance field and the EPR linewidth is thebasis of the assumption of the vortex nature of magnetic excitations in this temperature range.
Received: 26.06.2009
Citation:
Yu. I. Talanov, L. F. Salakhutdinov, E. Giannini, R. Khasanov, “Detection of vortex excitations in a $\mathrm{Bi_2Sr_2Ca_2Cu_3O_{10}}$ crystal at temperatures above the critical temperature by EPR of the surface layer”, Pis'ma v Zh. Èksper. Teoret. Fiz., 90:3 (2009), 222–226; JETP Letters, 90:3 (2009), 202–206
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https://www.mathnet.ru/eng/jetpl499 https://www.mathnet.ru/eng/jetpl/v90/i3/p222
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Abstract page: | 159 | Full-text PDF : | 66 | References: | 36 |
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