Photo-magnetic semiconductor using pyromagnetic effect

K. Seki, T. Takahashi, J. Shida, H. Matsuki, K. Murakami

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


A photo-magnetic semiconductor (PMS) is composed of a thick film magnetic semiconductor and a radiant flux absorbent. The PMS is a pyromagnetic film utilizing temperature dependence of a magnetic reluctance. When visible rays are radiated to the PMS, a radiant flux absorbent captures the light energy and transfers thermal energy to a magnetic semiconductor, which causes the reluctance change of the, PMS. Therefore, the PMS acts as a non-winding photo-magnetic transducer.

Original languageEnglish
Pages (from-to)5256-5258
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number6
Publication statusPublished - 1991 Nov


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