Electrical transport and anisotropic superconducting properties in single crystalline and dense polycrystallineMgB2

2001 ◽  
Vol 64 (21) ◽  
Author(s):  
A. K. Pradhan ◽  
Z. X. Shi ◽  
M. Tokunaga ◽  
T. Tamegai ◽  
Y. Takano ◽  
...  
2012 ◽  
Vol 14 (11) ◽  
pp. 113043 ◽  
Author(s):  
A F Wang ◽  
Z J Xiang ◽  
J J Ying ◽  
Y J Yan ◽  
P Cheng ◽  
...  

2017 ◽  
Vol 46 (12) ◽  
pp. 6804-6810 ◽  
Author(s):  
Shuping Deng ◽  
Yu Tang ◽  
Decong Li ◽  
Hongxia Liu ◽  
Zhong Chen ◽  
...  

1984 ◽  
Vol 52 (4) ◽  
pp. 459-462 ◽  
Author(s):  
K. Kitazawa ◽  
A. Katsui ◽  
A. Toriumi ◽  
Shoji Tanaka

1984 ◽  
Vol 37 ◽  
Author(s):  
A. M. Kadin ◽  
R. W. Burkhardt ◽  
J. T. Chen ◽  
J. E. Keem ◽  
S. R. Ovshinsky

AbstractFollowing the earlier multilayer work of Ovshinsky and colleagues, we have fabricated thin-film samples consisting of alternating periodic layers of a transition metal (Nb, Mo, W) and a semiconducting element (Si, Ge, C) by sequential sputtering from two targets onto room-temperature substrates. The regular repeat spacing has been varied from 10 Å to more than 100 Å, with as many as several hundred layer pairs. Crystalline epitaxy was not required or even desired; many samples were largely amorphous as determined from x-ray scattering. Electrical transport measurements of superconducting properties have been carried out parallel to the layers. Samples exhibited highly anisotropic superconducting critical magnetic fields, with some values in excess of 200kG parallel to the layers. Evidence suggesting an asymmetric interface profile will be presented.


2010 ◽  
Vol 79 (7) ◽  
pp. 074704 ◽  
Author(s):  
Jinhu Yang ◽  
Mami Matsui ◽  
Masatomo Kawa ◽  
Hiroto Ohta ◽  
Chishiro Michioka ◽  
...  

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