Granular and layered ferroelectric–ferromagnetic thin-film nanocomposites as promising materials with high magnetotransmission effectстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2015 г.
Аннотация:Epitaxial thin films of granular and layered nanocomposites consisting of ferromagnetic perovskite
Pr1–xSrxMnO3 and ferroelectric hexagonal LuMnO3 were grown on ZrO2(Y2O3) substrates using metalorganic
chemical vapor deposition (MOCVD). A self-organized growth of the granular composite took
place in situ as a result of phase separation of the Pr–Sr–Lu–Mn–O system into the perovskite and
hexagonal phases. Optical transmission measurements revealed a large negative magnetotransmission
effect in the layered nanocomposite over a wide spectral and temperature range. The granular nanocomposite
unexpectedly showed an even larger, but positive, magnetotransmission effect at room
temperature.