Bean-Livingston surface barriers for flux penetration in Bi 2Sr 2CaCu 2O 8+δ single crystals near the transition temperature
Author
Mihalache V.
Dede, M.
Oral, A.
Miu L.
Date
2011Source Title
Physica C: Superconductivity and its Applications
Print ISSN
0921-4534
Volume
471
Issue
19-20
Pages
563 - 565
Language
English
Type
ArticleItem Usage Stats
149
views
views
106
downloads
downloads
Abstract
The first field for magnetic flux penetration H p in Bi 2Sr 2CaCu 2O 8+δ (Bi-2212) single crystals near the critical temperature T c was investigated from the local magnetic hysteresis loops registered for different magnetic field H sweeping rates by using a scanning Hall probe microscope (SHPM) with ∼1 μm effective spatial resolution. Evidences for a significant role of the surface barrier were obtained: the asymmetric shape of the magnetization loops and an anomalous change in the slope of H p(T) close to T c. © 2011 Elsevier B.V. All rights reserved.
Keywords
Bi-2212Magnetization loops
SHPM
Surface barriers
Bean-Livingston surface barrier
Bi-2212
Critical temperatures
Different-magnetic fields
Flux penetration
Magnetic flux penetration
Magnetization loops
Scanning hall probes
SHPM
Spatial resolution
Surface barrier
Surface barriers
Sweeping rate
Diffractive optics
Hysteresis loops
Magnetic fields
Magnetic flux
Magnetic materials
Magnetization
Single crystals
Permalink
http://hdl.handle.net/11693/21764Published Version (Please cite this version)
http://dx.doi.org/10.1016/j.physc.2011.04.015Collections
Related items
Showing items related by title, author, creator and subject.
-
Vortex imaging with varying temperature revealed by SHPM on Bi2Sr2CaCu2O8+y
Mihalache, V.; Dede, M.; Oral, A.; Sandu, V. (Elsevier B.V., 2008)Scanning Hall probe microscopy with an effective spatial resolution of ∼1 μm has been used to investigate the vortex structures in superconducting Bi2Sr2CaCu2O8+δ single crystals in the temperature range 77.3-81.3 K and ... -
Study of junction and bias parameters in readout of phase qubits
Zandi H.; Safaei, S.; Khorasani, S.; Fardmanesh, M. (2012)The exact numerical solution of the nonlinear Ginzburg-Landau equation for Josephson junctions is obtained, from which the precise nontrivial current density and effective potential of the Josephson junctions are found. ... -
Mobility limiting scattering mechanisms in nitride-based two-dimensional heterostructures with the InGaN channel
Gökden, S.; Tülek, R.; Teke, A.; Leach, J. H.; Fan, Q.; Xie, J.; Özgür, Ü.; Morkoç, H.; Lisesivdin, S. B.; Özbay, Ekmel (IOP Publishing, 2010-03-16)The scattering mechanisms limiting the carrier mobility in AlInN/AlN/InGaN/GaN two-dimensional electron gas (2DEG) heterostructures were investigated and compared with devices without InGaN channel. Although it is expected ...