Scanning tunneling microscope study of charge-density-wave modulations inNbTe4

1998 ◽  
Vol 57 (11) ◽  
pp. 6235-6238 ◽  
Author(s):  
A. Prodan ◽  
S. W. Hla ◽  
V. Marinković ◽  
H. Böhm ◽  
F. W. Boswell ◽  
...  
2003 ◽  
Vol 17 (18n20) ◽  
pp. 3569-3574 ◽  
Author(s):  
O. Naaman ◽  
R. C. Dynes ◽  
E. Bucher

We have developed a method for the reproducible fabrication of superconducting scanning tunneling microscope (STM) tips. We use these tips to form superconductor/insulator/superconductor tunnel junctions with the STM tip as one of the electrodes. We show that such junctions exhibit fluctuation dominated Josephson effects, and describe how the Josephson product IcRN can be inferred from the junctions' tunneling characteristics in this regime. This is first demonstrated for tunneling into Pb films, and then applied in studies of single crystals of NbSe 2. We find that in NbSe 2, IcRN is lower than expected, which could be attributed to the interplay between superconductivity and the coexisting charge density wave in this material.


1997 ◽  
Vol 15 (3) ◽  
pp. 1572-1575 ◽  
Author(s):  
Kang-Ho Park ◽  
Jeong Sook Ha ◽  
Wan Soo Yun ◽  
El-Hang Lee ◽  
Jae-Yel Yi ◽  
...  

2004 ◽  
Vol 85 (12) ◽  
pp. 2355-2357 ◽  
Author(s):  
H. Z. Song ◽  
M. Kawabe ◽  
Y. Okada ◽  
R. Yoshizaki ◽  
T. Usuki ◽  
...  

1989 ◽  
Vol 54 (5) ◽  
pp. 427-429 ◽  
Author(s):  
Ichiro Tanaka ◽  
Fukunobu Osaka ◽  
Takashi Kato ◽  
Yoshifumi Katayama ◽  
Shin‐ichi Muramatsu ◽  
...  

1995 ◽  
Vol 51 (24) ◽  
pp. 17795-17799 ◽  
Author(s):  
L. D. Broekman ◽  
R. C. G. Leckey ◽  
J. D. Riley ◽  
A. Stampfl ◽  
B. F. Usher ◽  
...  

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