Magnetic Recording of Superconducting States

被引：11
作者：
Shaw, Gorky [1 ,7 ]
Alvarez, Sylvain Blanco [1 ]
Brisbois, Jeremy [1 ]
Burger, Loic [2 ]
Pinheiro, Lincoln B. L. G. [3 ,4 ]
Kramer, Roman B. G. [5 ]
Motta, Maycon [3 ]
Fleury-Frenette, Karl [6 ]
Ortiz, Wilson Aires [3 ]
Vanderheyden, Benoit [2 ]
Silhanek, Alejandro, V [1 ]
机构：
[1] Univ Liege, Expt Phys Nanostruct Mat, CESAM, Q MAT, B-4000 Sart Tilman Par Liege, Belgium
[2] Univ Liege, Dept Elect Engn & Comp Sci, Montefiore Res Unit, SUPRATECS Grp, B-4000 Sart Tilman Par Liege, Belgium
[3] Univ Fed Sao Carlos, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
[4] Inst Fed Sao Paulo, Campus Sao Carlos, BR-13565905 Sao Carlos, SP, Brazil
[5] Univ Grenoble Alpes, Inst Neel, CNRS, F-38000 Grenoble, France
[6] Univ Liege, STAR Res Unit, CSL, Liege Sci Pk, B-4031 Angleur, Belgium
[7] Kalinga Inst Ind Technol Deemed Be Univ, Sch Appl Sci Phys, Bhubaneswar 751024, Odisha, India
来源：
METALS | 2019年 / 9卷 / 10期
基金：
巴西圣保罗研究基金会;
关键词：
superconductor-ferromagnet hybrids; magnetic tweezers; superconducting devices; CURIE-TEMPERATURE; FERROMAGNETISM; THICKNESS; DESTRUCTION; COEXISTENCE; DEPENDENCE; RESOLUTION; CENTERS; PROBES; DOMAIN;
D O I：
10.3390/met9101022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Local polarization of magnetic materials has become a well-known and widely used method for storing binary information. Numerous applications in our daily life such as credit cards, computer hard drives, and the popular magnetic drawing board toy, rely on this principle. In this work, we review the recent advances on the magnetic recording of inhomogeneous magnetic landscapes produced by superconducting films. We summarize the current compelling experimental evidence showing that magnetic recording can be applied for imprinting in a soft magnetic layer the flux trajectory taking place in a superconducting layer at cryogenic temperatures. This approach enables the ex-situ observation at room temperature of the imprinted magnetic flux landscape obtained below the critical temperature of the superconducting state. The undeniable appeal of the proposed technique lies in its simplicity and the potential to improve the spatial resolution, possibly down to the scale of a few vortices.
引用
收藏
页数：17
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