Suppression of superconductivity in YBCO/LCMO superlattices

F. Chen; B. Gorshunov; G. Cristiani; H.-U. Habermeier; M. Dressel

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Suppression of superconductivity in YBCO/LCMO superlattices

机译：YBCO / LCMO超晶格中超导的抑制

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摘要

The competition of superconductivity and magnetism in superlattices composed of alternating YBa_2Cu_3O_(7-d) and La_(0.67)Ca_(0.33)MnO_3 thin films is investigated using low-energy optical spectroscopy. The thickness of the superconducting YBCO layers is varied from 30 to 20 nm while the thickness of the magnetic LCMO layers is kept constant at 20 nm. We clearly observe that the superconducting condensate density in the superconducting state of super lattice is drastically reduced by the magnetic subsystem which may be connected with proximity effects that distort the gap symmetry and thus suppress superconductivity.

机译：利用低能谱研究了由YBa_2Cu_3O_（7-d）和La_（0.67）Ca_（0.33）MnO_3交替组成的超晶格中超导和磁性的竞争。 YBCO超导层的厚度在30到20 nm之间变化，而磁性LCMO层的厚度保持恒定在20 nm。我们清楚地观察到，在超晶格的超导状态下，超导冷凝物的密度被磁性子系统极大地降低了，这可能与邻近效应有关，该邻近效应扭曲了间隙对称性，从而抑制了超导性。

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来源
《Solid State Communications》 |2004年第5期|p.295-299|共5页
作者
F. Chen; B. Gorshunov; G. Cristiani; H.-U. Habermeier; M. Dressel;
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作者单位

Department of Physics and Astronomy, Arizona State University, University Drv., AZ852871504 Tempe, AZ, USA;

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原文格式 PDF
正文语种 eng
中图分类固体物理学;
关键词
A. Superlattices; D. Magnetism; D. Proximity effects; D. Superconductivity;

机译：A.超晶格;D.磁性;D.邻近效应;D.超导;

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1. Structural, Atomic and Electrostatic Force Microscopy Analyses on YBCO/PBCO/LCMO Superlattices [J] . Luciana Moreira Seara, Dayse Iara dos Santos, Anne Hitomi Yonamine, Materials Research . 2017,第4期

机译：YBCO / PBCO / LCMO超晶格的结构，原子和静电力显微镜分析
2. Structural, Atomic and Electrostatic Force Microscopy Analyses on YBCO/PBCO/LCMO Superlattices [J] . Luciana Moreira Seara, Dayse Iara dos Santos, Anne Hitomi Yonamine, Materials Research . 2017,第4期

机译：YBCO / PBCO / LCMO超晶格的结构，原子和静电力显微镜分析
3. Vortex decoupling in LCMO/YBCO superlattices [J] . Pena V, Sefrioui Z, Arias D, The journal of physics and chemistry of solids . 2006,第1a3期

机译：LCMO / YBCO超晶格中的涡旋解耦
4. Magnetic properties of YBCO/LCMO superlattices with and without STO interlayers [C] . Anne H. Yonamine, Sergey A. Fedoseev, Dayse I. dos Santos International Conference on Electroceramics . 2014

机译：YBCO / LCMO超晶格的磁性特性，没有STO中间层
5. Study of ferromagnetism and superconductivity in layered YBCO/LCMO thin films. [D] . Zhao, Kun. 2001

机译：层状YBCO / LCMO薄膜中铁磁性和超导性的研究。
6. Suppression of superconductivity and structural phase transitions under pressure in tetragonal FeS [O] . Xiaofang Lai, Ying Liu, Xujie Lü, -1

机译：四方FeS在压力下的超导性和结构相变的抑制
7. Suppression of Superconductivity in YBCO/LCMO Superlattices [O] . Chen, F., Gorshunov, B., Cristiani, G., 2003

机译：抑制YBCO / LCmO超晶格中的超导性
8. Anisotropic electrical resistivity of YBCO/PBCO superlattice films grown on miscut substrates [R] . Kerchner, H R, Klabunde, CE, Christen, D K, 1992

机译：在错切基底上生长的YBCO / pBCO超晶格薄膜的各向异性电阻率

Suppression of superconductivity in YBCO/LCMO superlattices

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