Study of Superconducting, Structural, and Thermal Properties of SnO2 Added MgB2 Bulks [0.03%]
添加SnO2的MgB2超导体的超导电性、结构及热学性质研究
Danlu Zhang,Mike D Sumption,Edward William Collings et al.
Danlu Zhang et al.
A series of SnO2 added MgB2 bulk superconductors were prepared by in situ route to study the effect of oxygen doping on superconducting and structural properties of MgB2. Several (MgB2)1-x (SnO2) x samples were fabricated with x ranging fro...
A Stochastic SPICE Model for Superconducting Nanowire Single Photon Detectors and Other Nanowire Devices [0.03%]
用于超导纳米线单光子探测器及其他纳米线器件的随机SPICE模型
Adam Nykoruk McCaughan,Dylan M Oh,Sae Woo Nam
Adam Nykoruk McCaughan
Superconducting nanowire devices, such as the superconducting nanowire single photon detector (SNSPD) or nanocryotron, have a time-dependent stochasticity that depends on the current flowing through them. When modeling complex circuits made...
Investigation of Arrays of Two-dimensional High- T C SQUIDs for Optimization of Electrical Properties [0.03%]
二维高温SQUID阵列的电性优化研究
Ethan Y Cho,Yuchao W Zhou,Mikhail M Khapaev et al.
Ethan Y Cho et al.
In this work, we investigate two-dimensional arrays of High-T C superconducting quantum interference devices (SQUIDs) for optimization of their electrical transport characteristics. Specifically, we look at devices with different electrode ...
A Parametric Study on Overband Radial Build for a REBCO 800-MHz Insert of a 1.3-GHz LTS/HTS NMR Magnet [0.03%]
一种用于1.3GHz LTS / HTS NMR磁体的REBCO 800MHz插入线圈过顶径向构建的参数研究
Mingzhi Guan,Seungyong Hahn,Juan Bascuñán et al.
Mingzhi Guan et al.
A high-resolution 1.3-GHz/54-mm low-temperature superconducting/high-temperature superconducting (HTS) nuclear magnetic resonance magnet (1.3 G) is currently being built at Francis Bitter Magnet Laboratory, Massachusetts Institute of Techno...
A New High-Temperature Superconducting (HTS) 700-MHz Insert Magnet for a 1.3-GHz LTS/HTS NMR Magnet [0.03%]
新型高温超导（HTS）700 MHz插入磁体应用于1.3 GHz低温超导/高温超导NMR磁体中
J Bascuñán,S Hahn,Y Kim et al.
J Bascuñán et al.
Upon the totally unexpected theft of the original 600 MHz HTS insert that occurred in December 2011, we were forced to examine our entire 1.3 GHz NMR Magnet program anew and determined that a combination of a 600 MHz LTS magnet and a 700 MH...
High Speed Spin Testing of Reinforced 2212 Coils for High Field NMR Magnets [0.03%]
高场核磁共振 magnets用2212绕组高速强化测试
J Voccio,A Otto,A Bouthillette et al.
J Voccio et al.
Bi-2212 superconductors have very good performance in field, and recent developments by Solid Materials Solutions (SMS) of Chelmsford, MA to mechanically reinforce this material will help realize the potential of this material for these hig...
Field Mapping, NMR Lineshape, and Screening Currents Induced Field Analyses for Homogeneity Improvement in LTS/HTS NMR Magnets [0.03%]
低温超导和高温超导核磁共振 magnets 提高均匀度的场映射、NMR 谱型以及筛查电流诱导场分析研究
Seung-Yong Hahn,Juan Bascuñán,Woo-Seok Kim et al.
Seung-Yong Hahn et al.
This paper describes two general methods: field map processing and NMR lineshape analysis, that we are currently using for the on-going research of field improvement techniques specifically applied to our 700 MHz LTS/HTS NMR magnet. The val...
No-Insulation (NI) Winding Technique for Premature-Quench-Free NbTi MRI Magnets [0.03%]
无绝缘预防止失超NbTi磁共振磁体绕组技术研究
Seungyong Hahn,Dong Keun Park,Kwangmin Kim et al.
Seungyong Hahn et al.
This paper describes and discusses a No-Insulation (NI) winding technique that, based on experiment results of two test NbTi coils, promises to significantly improve stability and ease protection of high performance magnets; if applied to t...
Time and Frequency Domain Response of HTS Resonators for Use as NMR Transmit Coils [0.03%]
高温超导共振器的时域和频域响应及其作为NMR发射线圈的应用
Ghoncheh Amouzandeh,Vijaykumar Ramaswamy,Nicolas Freytag et al.
Ghoncheh Amouzandeh et al.
Replacing normal metal NMR coils with thin-film high-temperature superconductor (HTS) resonators can significantly improve the sensitivity of analytical NMR. To study the use of these resonators for excitation as well as detection, we inves...
Christine A Donnelly,Justus A Brevik,Nathan E Flowers-Jacobs et al.
Christine A Donnelly et al.
We present time-domain electrical measurements and simulations of the quantized voltage pulses that are generated from series-connected Josephson junction (JJ) arrays. The transmission delay of the JJ array can lead to a broadening of the n...