Studying of dielectric spectra of YCu_(0.15)Mn_(0.85)O_(3)solid solution with the use of complex conductivity  

作　　者：A.V.Nazarenko A.V.Pavlenko Y.I.Yurasov 

机构地区：[1]Federal Research Centre The Southern Scientific Centre of the Russian Academy of Sciences(SSC RAS),41 Chekhova Street Rostov-on-Don 344006,Russia [2]Research Institute of Physics Southern Federal University 105/42 Bolshaya Sadovaya Street Rostov-on-Don 344006,Russia

出　　处：《Journal of Advanced Dielectrics》2022年第1期19-23,共5页先进电介质学报（英文）

基　　金：The work was conducted within the State assignment of SSC RAS(Project Nos.01201354240 and 01201354247).

摘　　要：This work presents the results of studying the electrophysical properties of the YCu_(0.15)Mn_(0.85)O_(3)solid solution in the range of temperatures of T=26-400°C and frequency range of f=102-105 Hz.A model description of the revealed dispersion of dielectric parameters in the material is made.The nonclassical modified Havriliak-Negami model written for complex electrical conduc-tivity was used as an approximation model.It is shown that the application of this model almost exactly describes the frequency behavior of the dielectric constantε′/ε0(f),the dielectric loss tangent tgδ(f)as well as the real and imaginary parts of complex conductivityγ′(f)andγ′′(f).The results of this work are an important step in identifying the opportunities and understanding the applications of this model.

关 键 词：MULTIFERROICS yttrium manganite RELAXATION Havriliak-Negami model complex conductivity 

分 类 号：TB30[一般工业技术—材料科学与工程]