Probing Abrikosov vortices in niobium with single nitrogen-vacancy centers in nanodiamonds

被引:0
|
作者
Hou, Lei [1 ,2 ,3 ,5 ]
Thakur, Siddharatha [1 ,2 ,3 ]
Bezard, Malo [1 ,2 ,3 ]
Buzdin, Alexander [4 ]
Tamarat, Philippe [1 ,2 ,3 ]
Lounis, Brahim [1 ,2 ,3 ]
机构
[1] Inst Opt, F-33405 Talence, France
[2] CNRS, LP2N, F-33405 Talence, France
[3] Univ Bordeaux, LP2N, F-33405 Talence, France
[4] Univ Bordeaux, LOMA, UMR 5798, CNRS, F-33405 Talence, France
[5] Univ Shanghai Sci & Technol, Engn Res Ctr Opt Instrument & Syst, Shanghai Key Lab Modern Opt Syst, Minist Educ, 516,Jungong Rd, Shanghai 200093, Peoples R China
关键词
DIAMOND;
D O I
10.1063/5.0244336
中图分类号
O59 [应用物理学];
学科分类号
摘要
Abrikosov vortices play a fundamental role in the magnetic and electric properties of superconductors. The study of their pinning forces is essential to better understand the stability of vortex lattices, with the aim of increasing critical currents in superconductors. However, the study of vortices is challenging because of their nanometric sizes and the large variation in the pinning forces. In this Letter, we use a single nitrogen-vacancy center in a nanodiamond as a nanoscale magneto sensor to locally probe single vortices and their pinning effects in a thin niobium film. This simple, far-field optical approach also offers the possibility of manipulating a single spin with a single flux quantum.
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页数:6
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