ac conductance
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2018 ◽  
Vol 57 (6S3) ◽  
pp. 06KA06 ◽  
Author(s):  
Yuki Karamoto ◽  
Xufang Zhang ◽  
Dai Okamoto ◽  
Mitsuru Sometani ◽  
Tetsuo Hatakeyama ◽  
...  
Keyword(s):  
P Type ◽  

2017 ◽  
Vol 381 (15) ◽  
pp. 1328-1334
Author(s):  
Kai-Hua Yang ◽  
Chang-Dong Qin ◽  
Huai-Yu Wang ◽  
Kai-Di Liu
Keyword(s):  

2016 ◽  
Vol 85 (4) ◽  
pp. 043703 ◽  
Author(s):  
Akiko Ueda ◽  
Yasuhiro Utsumi ◽  
Hiroshi Imamura ◽  
Yasuhiro Tokura

2016 ◽  
Vol 2 (2) ◽  
pp. 027002 ◽  
Author(s):  
Sisay Mebre Abie ◽  
Joakim Bergli ◽  
Yuri Galperin ◽  
Ørjan Grøttem Martinsen
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2014 ◽  
Vol 1070-1072 ◽  
pp. 625-629
Author(s):  
Xue Tong Zhao ◽  
Rui Jin Liao ◽  
Jian Ying Li

ZnO-based varistor ceramics with different recipes were prepared in this research. It was found that the grain growth was restrained with the addition of Ba2+. SEM results indicated that the grain size of ZnO varistor ceramics with Ba2+ was reduced to 4.7 μm. Correspondingly, the breakdown electric field of the ZnO varistor samples were extremely enhanced to 8730 V/cm. The results of ac conductance response showed that two relaxation peak 1 and 2 with activation energy at about 0.24 eV and 0.36 eV were observed in 100-250 K, which were not affected by additives. However, a new conductance relaxation peak 3 in 300-450 K for sample B and C can be found, whose activation energy were varied from 0.55 eV to 0.65 eV with the addition of Ba2+. It was put forward that the electrical properties of ZnO varistor ceramics may be associated with the conductance relaxation peak 3.


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