HUMIDITY-SENSITIVE CHARACTERISTICS OF VARIOUS METAL PHOSPHATES

AKIO TADA; TOSHIAKI TOMURA; OSAO GENROKU; NORIYASU OKAZAKI

doi:10.3363/prb1992.4.0_7

AKIO TADA, TOSHIAKI TOMURA, OSAO GENROKU, NORIYASU OKAZAKI

著者情報

ジャーナルフリー

1994 年 4 巻 p. 7-12

DOI https://doi.org/10.3363/prb1992.4.0_7

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抄録

Twenty of metal phosphates were investigated as humidity-sensing materials. Eight kinds of metal phosphates including Ti(HPO₄)·H₂O showed good humidity-sensing characteristics. Treating of Ti(HPO₄)·H₂O and Ce(HPO₄)₂·2H₂O with NaOH solution considerably lowered the electric resistance, which changed by about three orders of magnitude in the relative humidity range 11 to 94%.

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