On the frequency dependence of the magnetic permeability of FeHfO thin films

1998 ◽  
Vol 84 (12) ◽  
pp. 6778-6781 ◽  
Author(s):  
P. J. H. Bloemen ◽  
B. Rulkens
2006 ◽  
Vol 384 (1-2) ◽  
pp. 271-273 ◽  
Author(s):  
A.D.C. Viegas ◽  
L. Santi ◽  
M.A. Correa ◽  
R.B. da Silva ◽  
A.M.H. de Andrade ◽  
...  

1992 ◽  
Vol 49 (1-3) ◽  
pp. 131-139 ◽  
Author(s):  
Hideyuki Murata ◽  
Noriyuki Takada ◽  
Tetsuo Tsutsui ◽  
Shogo Saito ◽  
Takashi Kurihara ◽  
...  

2003 ◽  
Vol 83 (14) ◽  
pp. 2892-2894 ◽  
Author(s):  
Z. G. Zhang ◽  
D. P. Chu ◽  
B. M. McGregor ◽  
P. Migliorato ◽  
K. Ohashi ◽  
...  

2000 ◽  
Vol 36 (3) ◽  
pp. 210-217 ◽  
Author(s):  
V. A. Sandovskii ◽  
V. V. Dyakin ◽  
M. S. Dudarev

1993 ◽  
Vol 07 (01n03) ◽  
pp. 139-142
Author(s):  
P. LUNKENHEIMER ◽  
A. LOIDL ◽  
C. TOMÉ-ROSA ◽  
P. WAGNER ◽  
H. ADRIAN

Detailed measurements of the complex conductivity σ* = σ′ + i σ″ have been performed in doped and undoped YBa 2 Cu 3 O 7 thin films, for frequencies 1 kHz ≤ ν ≤ 1 GHz and temperatures 10 K ≤ T ≤ 300 K . A peak in σ′ ( T ) shows up just below T c . Such a peak in σ′ ( T ) of high- T c -superconductors has recently been observed at microwave frequencies and has been interpret as the so-called "coherence peak", predicted by the BCS-theory. Our measurements show, for the first time, the frequency dependence of the coherence-like peak. From our results we conclude that the observed peak cannot be explained by coherence effects.


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