Effect of seed orientations on the crystallization characteristics and the magnetic levitation properties of single domain YBCO bulk superconductors

2021 ◽  
pp. 160788
Author(s):  
Ting-Ting Wu ◽  
Hai-Yan Zhang ◽  
Wan-Min Yang ◽  
Yan-Lan Cui ◽  
Abulizi Abulaiti
2005 ◽  
Vol 19 (01n03) ◽  
pp. 411-414
Author(s):  
W. M. YANG ◽  
X. X. CHAO ◽  
B. X. BIN ◽  
L. ZHOU ◽  
F. YONG ◽  
...  

The grown cross traces on the top surface of single-domain YBCO bulk sample with c-axis normal to the top surface has been clearly revealed. It is found that there are many fish-scale like YBCO layers, which are well connected each other. The c-axis is normal to the top surface of the sample, which indicates that YBCO crystal starts to grow from the center to the edge along a(or b) axis in all the four regions divided by across traces, and forms a 90° angle when the four regions meet each other, The clear traces observed is just because of the slightly difference in height between adjacent regions. A simple model has been afforded to explain the growth mechanism of single-domain YBCO bulks with c-axis normal to the top surface.


2019 ◽  
Vol 29 (5) ◽  
pp. 1-4 ◽  
Author(s):  
Tomas Hlasek ◽  
Kai Yuan Huang ◽  
Judit Esnoz-Larraya ◽  
Vladimir Plechacek ◽  
John Durrell ◽  
...  

2012 ◽  
Vol 61 (19) ◽  
pp. 196102
Author(s):  
Wang Miao ◽  
Yang Wan-Min ◽  
Zhang Xiao-Ju ◽  
Tang Yan-Ni ◽  
Wang Gao-Feng

2005 ◽  
Vol 19 (01n03) ◽  
pp. 415-418
Author(s):  
W. M. YANG ◽  
X. X. CHAO ◽  
B. X. BIN ◽  
L. ZHOU ◽  
F. YONG ◽  
...  

The morphology of the top surface and the vertical section of single-domain YBCO bulk samples with c-axis parallel to the top surface have been clearly revealed. The sample with c-axis parallel to the top surface grows epitaxial from the seed (in the center) to the edge in all the four regions divided by grown cross traces on the top surface, but the growth style is different in the adjacent regions. If YBCO crystal grows along a (or b) axis in one region, it must be grow along c-axis in the adjacent regions. The grown traces on the top surface forms a 78° angle when the four regions meet each other. The clear traces are formed by the different growth rates, styles along c-axis and a (or b) axis and also the slightly height difference of YBCO crystal between adjacent regions.


2003 ◽  
Vol 386 ◽  
pp. 258-261 ◽  
Author(s):  
M.H. Zheng ◽  
L. Xiao ◽  
H.T. Ren ◽  
Y.L. Jiao ◽  
Y.X. Chen

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