HUMIDITY SENSOR USING SINTERED ZIRCON WITH ALKALI-PHOSPHATE

被引：19

作者：

SADAOKA, Y

SAKAI, Y

机构：

[1] Ehime Univ, Dep of Industrial, Chemistry, Matsuyama, Jpn, Ehime Univ, Dep of Industrial Chemistry, Matsuyama, Jpn

来源：

JOURNAL OF MATERIALS SCIENCE | 1985年 / 20卷 / 08期

关键词：

ATMOSPHERIC HUMIDITY - Measurements - ELECTRIC MEASUREMENTS - Impedance - SENSORS - Materials;

D O I：

10.1007/BF00553069

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A ceramic humidity sensor using alkali phosphate (tribasic), phosphoric acid and zircon as raw materials was studied. The ceramic body prepared by doping with sodium phosphate consists of zircon, Nasicon and probably glassy sodium polyphosphate. The sensitivity for humidity can be improved by doping with sodium phosphate and phosphoric acid. The formation of Nasicon explains the decrease of impedance in the low humidity region and a decrease of impedance in the high humidity region can be achieved by the formation of sodium polyphosphate.

引用

页码：3027 / 3033

页数：7

共 7 条

[1] CERAMIC HUMIDITY SENSOR
NITTA, T
[J]. INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1981, 20 (04): : 669 - 674
[2] SADAOKA Y, 1983, DENKI KAGAKU, V51, P437
[3] SADAOKA Y, DENKI KAGAKU
[4] SHIMIZU Y, 1982, DENKI KAGAKU, V50, P831
[5] Uchikawa F., 1983, Oyo Buturi, V52, P451
[6] von Alpen U., 1979, Materials Research Bulletin, V14, P1317, DOI 10.1016/0025-5408(79)90010-2
[7] NASICON FORMATION BY CHEMICAL POLYMERIZATION
YOLDAS, BE
LLOYD, IK
[J]. MATERIALS RESEARCH BULLETIN, 1983, 18 (10) : 1171 - 1177

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