Microscopic picture of the critical state in a superconductor with a periodic array of antidots

A. V. Silhanek; J. Gutierrez; R. B. G. Kramer; G. W. Ataklti; J. Van de Vondel; V. V. Moshchalkov; A. Sanchez

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Microscopic picture of the critical state in a superconductor with a periodic array of antidots

机译：具有解毒剂周期性阵列的超导体中临界状态的显微照片

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By using scanning Hall microscopy we visualize the progressive formation of the critical state with individual vortex resolution in a Pb thin film with a periodic pinning array. Slightly above the first penetration field, we directly observe a terraced critical state as proposed theoretically by Cooley and Grishin [Phys. Rev. Lett. 74, 2788 (1995)]. However, at higher fields, the flux front tends to disorder and the classical Bean profile is restored. This study allows us to establish a clear link between the widely used integrated response measurements in the superconducting state and the nanoscale landscape defined by individual vortices.

机译：通过使用扫描霍尔显微镜，我们可以看到具有周期性钉扎阵列的Pb薄膜中具有单个涡旋分辨率的临界状态的逐步形成。略高于第一个穿透场，我们直接观察到Cooley和Grishin [Phys。牧师74，2788（1995）]。但是，在较高的磁场下，通量前沿趋于无序，并且经典的Bean轮廓得以恢复。这项研究使我们能够在超导状态下广泛使用的综合响应测量与各个涡旋所定义的纳米尺度景观之间建立明确的联系。

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来源
《Physical review》 |2011年第2期|p.024509.1-024509.4|共4页
作者
A. V. Silhanek; J. Gutierrez; R. B. G. Kramer; G. W. Ataklti; J. Van de Vondel; V. V. Moshchalkov; A. Sanchez;
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作者单位

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

INPAC-Institute for Nanoscale Physics and Chemistry, Nanoscale Superconductivity and Magnetism Group, K.U. Leuven,Celestijnenlaan 200D, B-3001 Leuven, Belgium;

Departament de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Barcelona, Spain;

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superconducting films and low-dimensional structures; magnetic properties;

机译：超导膜和低维结构;磁性;

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1. Negative resistance in I-V characteristics and 2D vortex dynamics in a-W/Si multilayer superconductors with periodic antidot arrays [J] . Kurosu Y., Yokoyama M., Kuwasawa Y., Physica, B. Condensed Matter . 2003,第Pta2期

机译：带有周期性点阵阵列的a-W / Si多层超导体的I-V特性和2D涡旋动力学中的负电阻
2. Vortex configurations and critical parameters in superconducting thin films containing antidot arrays: Nonlinear Ginzburg-Landau theory [J] . G. R. Berdiyorov, M. V. Milosevic, F. M. Peeters Physical review. B, Condensed Matter And Materials Physics . 2006,第17期

机译：含解毒剂阵列的超导薄膜的涡旋结构和关键参数：非线性Ginzburg-Landau理论
3. Superconducting films with antidot arrays - Novel behavior of the critical current [J] . Berdiyorov GR, Milosevic MV, Peeters FM EPL . 2006,第3期

机译：具有点阵的超导薄膜-临界电流的新行为
4. Vortex dynamics in high-T_c superconducting films with arrays of antidots [C] . V. M. Fomin, R. Woerdenweber Nanotechnology IV . 2009

机译：具有解毒剂阵列的高Tc超导薄膜的涡旋动力学
5. Superconducting properties and vortex dynamics of bismuth strontium calcium copper oxide nanoribbons with and without periodic array of nanoscale holes. [D] . Avci, Sevda. 2010

机译：具有和不具有周期性纳米孔阵列的铋锶钙氧化铜纳米带的超导性能和涡旋动力学。
6. Periodic Arrays of Phosphorene Nanopores as Antidot Lattices with Tunable Properties [O] . Andrew Cupo, Paul Masih Das, Chen-Chi Chien, -1

机译：磷纳米孔的周期性阵列作为具有可调节性质的Antidot晶格
7. Microscopic picture of the critical state in a superconductor with a periodic array of antidots [O] . Silhanek A. V, Gutierrez Royo Joffre, Kramer R. B. G, 2011

机译：具有解毒剂周期性阵列的超导体中临界状态的显微照片

Microscopic picture of the critical state in a superconductor with a periodic array of antidots

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