High temperature PTC thermistor using Ba cobaltite

Kazuya Kinoshita, Hajime Kusaba, Go Sakai, Kengo Shimanoe, Norio Miura, Noboru Yamazoe

Research output: Contribution to journalArticlepeer-review

Abstract

It was found that partially Fe-substituted Ba cobaltite, BaCo0.7Fe0.3O3-δ, shows sharp PTC behavior at temperature above 850 °C. As revealed by XRD measurements, the PTC behavior is accompanied by phase transformation between hexagonal perovskite structure (low temperature) and cubic one (high temperature).

Original languageEnglish
Pages (from-to)412-413
Number of pages2
JournalChemistry Letters
Issue number3
DOIs
Publication statusPublished - Mar 5 2002

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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