Effects of Sintering Temperature on the Response of CuFeTe2 Ceramics to Oxygen Gas

被引：0
|
作者：
Kozaki, Masatoshi [1 ]
Tokunaga, Yuta [1 ]
Huang, Yezhi [1 ]
Kuriyaki, Hisao [1 ]
Toko, Kiyoshi [1 ]
机构：
[1] Kyushu Univ, Grad Sch Informat Elect Engn, Nishi Ku, 744 Motooka, Fukuoka 8190395, Japan
来源：
SENSORS AND MATERIALS | 2016年 / 28卷 / 03期
关键词：
oxygen gas sensor; intercalation; layered material; COMPOUND CUFETE2; THIN-FILMS;
D O I：
暂无
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A new oxygen sensor based on the resistance change caused by oxygen intercalation in the layered compound CuFeTe2 (CFT) was developed. When intercalation occurs, oxygen molecules penetrate into the CFT interlayer, stretching the van der Waals gap and increasing the c -axis resistance. In this study, we prepared ceramic samples from a single crystal using different sintering temperatures. Results show that the sample sintered at 100 degrees C showed the highest oxygen gas response. Moreover we carried out the surface observation of the cross section of each CFT ceramic sample and found that the porosity of the sample increased with decreasing sintering temperature.
引用
收藏
页码：231 / 236
页数：6
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