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Nhan đề : 
Electrostriction effects in space charge measurements with the pulsed electroacoustic method for ceramics
Tác giả : 
Stark, Sebastian
Ma, Xinyi
Năm xuất bản : 
2023
Nhà xuất bản : 
Springer
Tóm tắt : 
The pulsed electroacoustic (PEA) method is an established method for space charge measurements in polymeric dielectrics. In view of the poorly understood impact of space charge on the electrical resistivity and the dielectric breakdown behavior of ceramics, it is desirable to adapt the PEA technique to these materials. However, this adaption is non-trivial due to the constitutive properties of ceramics, which are, at least in part, very different from that of polymers. This contribution addresses a particular effect related to the electrostrictive properties of ceramics on the theoretical level. It is shown that these properties may cause an inversion of the sign of the sound wave generated by electrical voltage pulses when compared to typical polymers, which may in turn result in an incorrect interpretation of the measurement results.
Mô tả: 
CC-BY
URI: 
https://link.springer.com/article/10.1007/s10832-023-00332-y
https://dlib.phenikaa-uni.edu.vn/handle/PNK/9049
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