Artificial Multilayers of REBaCuO/YBaCuO and YBCO/CuO(Y2O3) for High-Performance Long Tapes of Coated Conductors Derived by Metal Organic Solution Deposition

Guo, Yanqun; Cui, Chuanwei; Zeng, L.; Liu, Z. Y.; Bai, Chuanyi; Lu, Yuming; Jian, Hongbin; Feng, Feng; Cai, Chuanbing

doi:10.1109/tasc.2016.2646064

Cited by 2 publications

(1 citation statement)

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“…However, a superconducting ring with large inner radius can only shield part of an external magnetic field at the center point of ring. To solve this problem, Chen Gu's group reported [16] that concentric placed coils using Bi-2223(Bi 2 Sr 2 Ca 2 Cu 3 O x ) combined with REBCO (REBa 2 Cu 3 O 7-x , RE: rare earths) tapes [17,18], winding with two different radii, was able to improve the shielding effectiveness. The shielding effectiveness of the above coil was up to 55 dB in a 10 µT external magnetic field at 1 Hz-10 000 Hz.…”

Section: Introductionmentioning

confidence: 99%

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

Chi

Cai

Zhou

et al. 2020

Supercond. Sci. Technol.

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The screening current induced in superconductors can passively shield external magnetic fields and hence provide a noise free environment for precision sensors and instruments. This paper presents a novel design employing artificial joint-free REBCO (REBa 2 Cu 3 O 7-x , RE: rare earths) coils which can economically extend the field shielding space for larger instruments, e.g. clinical equipment. We compared the shielding factors of single, double and multi-coils, and confirmed a coil with Helmholtz construction as the optimal architecture. Due to the zero resistance of the joint-free REBCO coils, the shielding effectiveness reaches 80 dB at the center of coils, shielding 99.99% of the external magnetic field of 10 µT at 1 × 10 −5 Hz, and 40 dB (99%) in a greater spherical space of 40 mm in diameter. Additionally, the shielding effectiveness does not decrease in the external magnetic field of 1 nT. Such a low frequency magnetic shielding effect implies promising applications for the present work, such as preventing interference magnetic fields from precision instruments, which generally require field sensitivity as low as the fT • Hz −1/2 range.

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Section: Introductionmentioning

confidence: 99%

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

Chi

Cai

Zhou

et al. 2020

Supercond. Sci. Technol.

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The Effect of Heating Temperature in Ultraviolet Irradiation Process on Properties of YBa₂Cu₃O_7- _x Superconducting Films Processed From Photosensitive Solution

Bian

Zhao

Nishii

2020

IEEE Trans. Appl. Supercond.

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Artificial Multilayers of REBaCuO/YBaCuO and YBCO/CuO(Y2O3) for High-Performance Long Tapes of Coated Conductors Derived by Metal Organic Solution Deposition

Cited by 2 publications

References 15 publications

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

The Effect of Heating Temperature in Ultraviolet Irradiation Process on Properties of YBa₂Cu₃O_7- _x Superconducting Films Processed From Photosensitive Solution

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Artificial Multilayers of REBaCuO/YBaCuO and YBCO/CuO(Y2O3) for High-Performance Long Tapes of Coated Conductors Derived by Metal Organic Solution Deposition

Cited by 2 publications

References 15 publications

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

Low-frequency magnetic field shielding effect of artificial joint-free REBCO coils

The Effect of Heating Temperature in Ultraviolet Irradiation Process on Properties of YBa2Cu3O7- x Superconducting Films Processed From Photosensitive Solution

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The Effect of Heating Temperature in Ultraviolet Irradiation Process on Properties of YBa₂Cu₃O_7- _x Superconducting Films Processed From Photosensitive Solution