Fabrication, microstructure and critical current density of pure and Cu doped MgB2 thick films on Cu, Ni and stainless steel substrates by short-time in-situ reaction

2004 ◽  
Vol 30 (7) ◽  
pp. 1603-1606 ◽  
Author(s):  
Q.W. Yao ◽  
X.L. Wang ◽  
S. Soltanian ◽  
A.H. Li ◽  
J. Horvat ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Thick Films ◽  
In Situ Reaction ◽  
Short Time ◽  
Steel Substrates ◽  
Doped Mgb2

Cu and nano-SiC doped MgB2 thick films on Ni substrates processed using a very short-time in situ reaction

2004 ◽  
Vol 402 (1-2) ◽  
pp. 38-44 ◽  
Author(s):  
Q.W. Yao ◽  
X.L. Wang ◽  
J. Horvat ◽  
S.X. Dou
Keyword(s):  
Thick Films ◽  
In Situ Reaction ◽  
Short Time ◽  
Doped Mgb2

EFFECT OF NANO-Y-ZrO2 ADDITION ON THE MICROSTRUCTURE AND CRITICAL CURRENT DENSITY OF MgB2 SUPERCONDUCTORS

2004 ◽  
Vol 03 (04n05) ◽  
pp. 563-569 ◽  
Author(s):  
Q. W. YAO ◽  
X. L. WANG ◽  
A. H. LI ◽  
S. X. DOU ◽  
P. R. MUNROE
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Magnetic Measurements ◽  
Transmission Electron ◽  
Long Time ◽  
Powder Addition ◽  
Short Time ◽  
Mgb2 Superconductors

Polycrystalline MgB 2 samples with 0, 5, 10, and 20 wt% nano- Y - ZrO 2 (YSZ) powder addition were prepared by short time, as little as several minutes, or long time in-situ reaction process. The phases, microstructures and flux pinning behaviors were characterized using X-ray diffractometry (XRD), Scanning Electron Microscopy (SEM), Transmission Electron Microscope (TEM) and Magnetic Measurements. Results indicated that nano-YSZ particles included in MgB 2 grains. Samples doped with 10wt% YSZ powders showed new record of critical current density Jc as high as 1×106 and 4×106 A/cm 2 in low magnetic fields at 30 and 20K, respectively. However, the Jc drops faster compared to that made by long time sintering samples. It is proposed that the improved Jc in low fields was due to the enhanced density of the sample, which was caused by the YSZ nano-particle inclusion.

Enhancement of the critical current density of MgB2 thick films by Ag- and Cu-impurity layers

2009 ◽  
Vol 469 (15-20) ◽  
pp. 1563-1566 ◽  
Author(s):  
M. Ranot ◽  
W.K. Seong ◽  
S.-G. Jung ◽  
N.H. Lee ◽  
W.N. Kang ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Thick Films

scholarly journals High transport critical current density obtained for powder-in-tube-processed MgB2 tapes and wires using stainless steel and Cu–Ni tubes

2001 ◽  
Vol 79 (15) ◽  
pp. 2435-2437 ◽  
Author(s):  
H. Kumakura ◽  
A. Matsumoto ◽  
H. Fujii ◽  
K. Togano
Keyword(s):  
Stainless Steel ◽  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Transport Critical Current Density ◽  
Powder In Tube

Enhanced critical current density at high magnetic fields in MgB2 wire processed by in-situ spark plasma sintering

2022 ◽  
Vol 891 ◽  
pp. 162007
Author(s):  
Lili Wang ◽  
Weidong Chen ◽  
Chengshan Li ◽  
Guo Yan ◽  
Yong Feng ◽  
...  
Keyword(s):  
Magnetic Fields ◽  
Critical Current Density ◽  
Critical Current ◽  
Spark Plasma Sintering ◽  
Current Density ◽  
High Magnetic Fields ◽  
Plasma Sintering ◽  
Mgb2 Wire ◽  
Spark Plasma

scholarly journals High critical current density in Ti-doped MgB2/Ta/Cu tape by powder-in-tube process

2002 ◽  
Vol 92 (12) ◽  
pp. 7341-7344 ◽  
Author(s):  
B. Q. Fu ◽  
Y. Feng ◽  
G. Yan ◽  
Y. Zhao ◽  
A. K. Pradhan ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
High Critical Current Density ◽  
Doped Mgb2 ◽  
Powder In Tube

Critical current density and pinning behaviour of mono-core MgB2 wires prepared by internal magnesium diffusion and in-situ powder-in-tube method

2014 ◽  
Vol 505 ◽  
pp. 39-43 ◽  
Author(s):  
Boris Brunner ◽  
Pavol Kováč ◽  
Michael Reissner ◽  
Imrich Hušek ◽  
Tibor Melišek ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Mgb2 Wires ◽  
Powder In Tube

scholarly journals Effect of processing temperature on high field critical current density and upper critical field of nanocarbon doped MgB2

2007 ◽  
Vol 90 (12) ◽  
pp. 122502 ◽  
Author(s):  
W. K. Yeoh ◽  
J. Horvat ◽  
J. H. Kim ◽  
X. Xu ◽  
S. X. Dou
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Critical Field ◽  
Current Density ◽  
High Field ◽  
Upper Critical Field ◽  
Processing Temperature ◽  
Doped Mgb2

Enhancement of critical current density for nano (n)-ZnO doped MgB2 superconductor

2013 ◽  
Vol 495 ◽  
pp. 208-212 ◽  
Author(s):  
Intikhab A. Ansari ◽  
M. Shahabuddin ◽  
Nasser S. Alzayed ◽  
Khalil A. Ziq ◽  
A.F. Salem ◽  
...  
Keyword(s):  
Critical Current Density ◽  
Critical Current ◽  
Current Density ◽  
Mgb2 Superconductor ◽  
Doped Mgb2
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