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Article
Physics, Applied
D. Torsello et al.
Summary: We investigated the expected neutron damage in high-temperature superconducting tapes used in compact fusion reactors. Monte Carlo simulations were performed to obtain the neutron spectrum and fluence at the magnet position, which were then used to calculate the energy distributions of primary knock-on atoms for each atomic species in the superconductor. Molecular dynamics simulations were used to characterize the displacement cascades in terms of size and morphology. The expected radiation environment was compared with the neutron spectrum and fluences achievable in current experimental facilities to identify similarities and differences that are relevant to the understanding of radiation hardness of these materials in real fusion conditions. Our findings show that different neutron spectra result in different damage regimes, irradiation temperature influences the number of defects generated, and neutron-superconductor interaction leads to local temperature increase. These observations suggest the need for further experimental investigations in different conditions and the necessity of neutron shielding in compact fusion reactors.
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Physical
Sagar Mal Kumawat et al.
Summary: A phenomenon was discovered that the critical current (Ic) of superconductors can be enhanced by a field-cooled process in the presence of a magnetic field. The high-Tc superconductor/oxide-ferromagnetic interface plays a crucial role in this enhancement.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Chemistry, Multidisciplinary
Valentina Pinto et al.
Summary: It has been shown that incorporating nanodiamond (ND) into a YBa2Cu3O7-δ (YBCO) film can enhance the critical current density under self-field conditions. This enhancement is attributed to the denser and smoother film structure facilitated by ND. The presence of ND affects the reaction responsible for YBCO production, slowing down the nucleation process and promoting c-axis growth, which improves the superconducting properties of the YBCO+ND film.
CRYSTAL GROWTH & DESIGN
(2023)
Article
Physics, Applied
Li Liu et al.
Summary: YBCO films irradiated with different ions showed the existence of columnar defects, confirmed by TEM analysis. The study found that pinning efficiency η increased monotonically with temperature in all irradiated samples, but in films with latent tracks, η reached its maximum at low magnetic field and then decreased slowly as the magnetic field increased. This phenomenon, along with the peak position Bp below the matching field and the characteristics of samples with larger columnar defects, provide important insights for future applications.
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
(2022)
Article
Physics, Applied
Mohammad Yazdani-Asrami et al.
Summary: This paper presents a data-driven model based on artificial intelligence techniques to predict the electromechanical behavior of twisted HTS tapes under various thermomagnetic conditions. The proposed model accurately predicts the normalized critical current value and stress of twisted tapes at different temperatures and magnetic flux densities.
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Mamta Dahiya et al.
Summary: The effects of adding NaNbO3 nanoparticles or nanorods to YBa2Cu3O7-delta (YBCO) on superconducting parameters were studied. The addition of NaNbO3 at a concentration of 0.5 wt% to 2.0 wt% in YBCO showed enhanced critical magnetic fields (B-C1(0) and B-C2(0)) and critical current densities (J(C)(0)), but further increase in additive material led to a decrease in superconducting parameters. The addition of NaNbO3 nanorods was found to be more effective compared to nanoparticles at the same wt% of additive material.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Chemistry, Multidisciplinary
E. Hannachi et al.
Summary: This paper investigates the effects of synthesis factors on the structure and radiation shielding properties of high-temperature superconducting ceramics. Experimental and simulation results are presented to validate the findings.
JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
(2022)
Article
Physics, Applied
Daxing Huang et al.
Summary: This research reports an efficient method for superconducting joints of YBCO coated conductors. By etching microchannels in the YBCO layer, the recovery of critical current in the superconducting joint is accelerated, and a dense joining is formed to enable superconducting current path. This technique can promote the persistent current mode operation of 2G HTS magnets in applications such as magnetic resonance imaging and nuclear magnetic resonance.
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
(2022)
Article
Nanoscience & Nanotechnology
Egor Glushkov et al.
Summary: In this study, a model of a broadband receiving system based on a meander series of Josephson YBaCuO grain boundary junctions integrated into a log-periodic antenna was developed. The electromagnetic properties of the system were investigated, and a numerical simulation of one-dimensional arrays was carried out. The performance of the detector, including current-voltage characteristic, responsivity, noise, and NEP, was calculated. The results showed that using a series of junctions can significantly improve the responsivity, NEP value, and power dynamic range.
BEILSTEIN JOURNAL OF NANOTECHNOLOGY
(2022)
Article
Engineering, Electrical & Electronic
Qiong Nie et al.
Summary: A low-cost chemical solution deposition planarization system was designed for Y2O3 seed layers in YBCO coated conductors. The system produced amorphous Y2O3 films on the surface of bare Hastelloy alloys with a surface roughness of 1.5 nm, which served as the seed layer for the subsequent deposition of MgO layers. The optimized thickness of the MgO layers resulted in the development of a biaxial texture. The YBCO functional layer deposited on the LMO layer exhibited a high self-field critical current density of 2.5MA/cm(2).
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
(2022)
Article
Materials Science, Multidisciplinary
E. Hannachi et al.
Summary: This study investigates the influence of planetary ball grinding parameters on the physical properties and radiation shielding performances of Y358 ceramic. It is found that optimal planetary ball grinding parameters can improve the density and radiation shielding capacity of Y358 ceramic.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2022)
Article
Engineering, Electrical & Electronic
Xiaoning Liu et al.
Summary: This study investigates the effects of field dependence on levitation force in a regular-geometry superconductor. Several rare phenomena and an analytical critical-state model are proposed based on experimental results. A specialized apparatus is used for accurate measurement.
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
(2022)
Article
Materials Science, Ceramics
Diogo Mendes et al.
Summary: In this study, high-performance YBCO 123 bulk superconductor samples were produced using 3D printing paste-extrusion technique. XRD, EDS, and Raman analysis confirmed the presence of YBCO phase in both powder and samples made with pre-mixture. SQUID measurements showed that the printed samples have a typical magnetization temperature of 92 K.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
E. Hannachi et al.
Summary: The article discusses the impact of adding one-dimensional titanium dioxide nanowires on the magnetization and electrical properties of YBCO bulk system. The nanowires were found to enhance flux pinning properties and affect the electrical and pseudo-gap analysis of the samples.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Multidisciplinary
Anoop Thomas et al.
Summary: Research over the past decade has shown that Light-Matter strong coupling in the vacuum limit can enhance material properties, and this study demonstrates a 700-fold enhancement of ferromagnetism in YBa2Cu3O7-x nanoparticles at room temperature through strong coupling. The high magnetic moment value competing with superconductivity at low temperatures suggests that strong coupling could be a new tool for the development of next-generation magnetic and spintronic nanodevices.
Article
Materials Science, Ceramics
Abderrahmane Raouf Hamoudi et al.
Summary: This study investigated the structural and electrical properties of Ce, Gd-doped YBCO superconductors through X-ray diffraction, Fourier Transform Infrared Spectroscopy, and electrical resistivity measurements. The results showed that the addition of Ce and Gd affected the YBCO system's structure, grain size, surface roughness, and electrical properties. Ce doping improved the critical transition temperature, while Gd doping enhanced the critical current density.
CERAMICS INTERNATIONAL
(2021)
Article
Engineering, Electrical & Electronic
Jintao Hu et al.
Summary: This paper reports a numerical study of a new HTS switch design made of series-connected YBCO stacks. The study aims to understand the characteristics of dynamic resistance and power loss, and their relationships with the amplitude and frequency of the AC magnetic field. The energy conversion efficiency of the HTS switch is also investigated.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
(2021)
Article
Physics, Applied
Yu Gu et al.
Summary: The research shows that the negative magnetization of the YBCO coated conductors is enhanced after irradiation with tantalum ions, leading to an increase in critical current density and pinning force. The critical current density of the YBCO CCs is improved by 4.4 times at 1 T and 30 K compared with the primitive sample. The microstructures of the YBCO superconducting layer reveal the presence of columnar defects with effective mixed-pinning landscapes.
JOURNAL OF APPLIED PHYSICS
(2021)
Article
Crystallography
Guo-Zheng Li et al.
Summary: By using commercial NdBCO/YBCO/MgO film as seed, YBCO single grains were successfully grown in two infiltration growth (IG) processes, proving the feasibility of film seed in the IG method. The presence of four strictly perpendicular growth sector boundaries on the top surface and clear (0 0 l) diffraction peaks in X-ray diffraction (XRD) results demonstrate the high c-axis orientation and good growth quality of the samples, showcasing the excellent performance of the NdBCO/YBCO/MgO film seed in the IG method. Superconducting property measurements show that the 011-IG YBCO sample exhibited higher levitation force and Jc properties compared to the 211-IG sample.
JOURNAL OF CRYSTAL GROWTH
(2021)
Article
Materials Science, Ceramics
Yan Xue et al.
CERAMICS INTERNATIONAL
(2020)
Article
Chemistry, Physical
Yan Xue et al.
JOURNAL OF ALLOYS AND COMPOUNDS
(2016)
Article
Engineering, Electrical & Electronic
Yan Xue et al.
JOURNAL OF ELECTRONIC MATERIALS
(2016)
Article
Physics, Applied
Qiang Luo et al.
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
(2014)
Article
Astronomy & Astrophysics
Hui Luo et al.
Article
Engineering, Electrical & Electronic
Takahiro Taneda et al.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
(2013)
Proceedings Paper
Physics, Particles & Fields
Vladimir Matias et al.
SUPERCONDUCTIVITY CENTENNIAL CONFERENCE 2011
(2012)
Article
Physics, Applied
Vladimir Matias et al.
SUPERCONDUCTOR SCIENCE & TECHNOLOGY
(2010)
Article
Engineering, Electrical & Electronic
M. Inoue et al.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
(2007)
Article
Physics, Applied
A. Ibi et al.
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
(2006)
Article
Physics, Applied
A Ibi et al.
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
(2005)
Article
Physics, Applied
PN Arendt et al.
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
(2004)
Article
Materials Science, Multidisciplinary
PN Arendt et al.
Article
Physics, Applied
Y Yamada et al.
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
(2003)
Article
Engineering, Electrical & Electronic
JR Groves et al.
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY
(2003)
Article
Physics, Applied
JR Groves et al.