GRAIN-SIZE EFFECT OF CUFETE2 RESPONSE TO OXYGEN

被引:10
作者
KISHIRO, K
KURIYAKI, H
HIRAKAWA, K
机构
[1] Department of Electronics, Kyushu University, Fukuoka
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 1993年 / 32卷 / 5A期
关键词
INTERCALATION; OXYGEN GAS SENSOR; VAN DER WAALS GAP; GRAIN SIZE EFFECT; SIEVED SPECIMEN;
D O I
10.1143/JJAP.32.L674
中图分类号
O59 [应用物理学];
学科分类号
摘要
The electrical resistivity of the layered semiconductor CuFeTe2 is created in response to oxygen concentration intercalated into the van der Waals gaps. An oxygen gas sensor operating around room temperature has been fabricated using this property. The resistivity response to oxygen has been improved by the use of crystal grains of uniform size. The specimen consisting of grains with diameters of 20 approximately 53 mum responds to 20% oxygen mixed into nitrogen in 2 min.
引用
收藏
页码:L674 / L675
页数:2
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