dimensional resonance
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2019 ◽  
Vol 55 (7) ◽  
pp. 1-5 ◽  
Author(s):  
Bernhard Wunsch ◽  
Thomas Christen ◽  
Stanislav Skibin ◽  
Ville Forsstrom

2018 ◽  
Vol 69 (3) ◽  
pp. 219-225 ◽  
Author(s):  
Teodora Plamenova Todorova ◽  
Vencislav Cekov Valchev ◽  
Alex Van den Bossche

Abstract Besides their magnetic properties, Mn-Zn ferrites are also characterized by appreciable electrical properties. This electro- magnetic nature of Mn-Zn ferrites material properties causes a dimensional resonance to occur in samples. The latter hinders measurements of the frequency dependences of intrinsic permittivity and electrical conductivity. In the paper, we present a sign in measurement results that shows the frequency range in which dimensional resonance has already occurred. Above this range, properties extracted from measurements are not intrinsic any longer. We refer to the sign to determine the last point of the measurement data set that is used as an input for an equivalent circuit modelling of the electrical properties. This “last point” criterion helps to exclude the possibility of modelling apparent properties instead of intrinsic ones. The results obtained show that the frequency dependent electrical properties may be well modeled even if the upper limit of the input frequency range to the curve fitting is below the frequency range in which the dimensional resonance occurs.


Author(s):  
Hiroyasu Kawano ◽  
Hirotaka Oshima ◽  
Koichi Shimizu ◽  
Atsushi Furuya ◽  
Yuji Uehara ◽  
...  

2017 ◽  
Vol 375 (6) ◽  
Author(s):  
Zhenkun Guo ◽  
Brian P. Molesky ◽  
Thomas P. Cheshire ◽  
Andrew M. Moran

2017 ◽  
Vol 53 (11) ◽  
pp. 1-4 ◽  
Author(s):  
Atsushi Furuya ◽  
Yuji Uehara ◽  
Koichi Shimizu ◽  
Jun Fujisaki ◽  
Tadashi Ataka ◽  
...  

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