Electrical properties of cobalt-doped zinc manganite ceramics for infrared detectors

被引：0

作者：

Kim, Kyeong-Min ^{[1
]}

Han, Myung-Soo ^{[2
]}

Lee, Sung-Gap ^{[1
]}

机构：

[1] Gyeongsang Natl Univ, Dept Mat Engn & Convergence Technol, Engn Res Inst, Jinju 52828, South Korea

[2] Korea Photon Technol Inst, Microopt Team, Gwangju 61007, South Korea

来源：

JOURNAL OF CERAMIC PROCESSING RESEARCH | 2016年 / 17卷 / 08期

关键词：

Zn-Co-Mn oxide; Electrical properties; Resistivity; Responsivity; Detectivity; POWDERS;

D O I：

暂无

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Zn1.10CoxMn1.90-xO4 (0 <= x <= 0.25) specimens were prepared using a conventional solid state reaction method. We investigated the structural and electrical properties with varying amounts of Co for application in IR detectors. All specimens exhibited a very dense microstructure and the average grain size decreased slightly with an increase in the composition ratio of Co ions. The Zn1.10Co0.05Mn1.85O4 specimen shows the highest B-value of 5025 K, and the Zn1.10Co0.25Mn1.65O4 specimen shows the minimum resistivity of 100 k Omega center dot cm. The responsivity, s noise voltage and detectivity of the Zn1.10Co0.10Mn1.80O4 specimen are 0.03 V/W, 6.36 x 10(-5)V and 2.010(4) cmHz(1/2)/W, respectively.

引用

页码：795 / 798

页数：4

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