Ferroelectric and colossal magnetoresistive properties of a PbZr1-xTixO3/La1-xSrxMnO3 heterostructure film

Mitsugi, F. (author)

Yamagata, Y. (author)

Ikegami, T. (author)

Ebihara, K. (author)

Narayan, J. (author)

Grishin, Alexander M. (author): KTH,Mikroelektronik och informationsteknik, IMIT

(creator_code:org_t)

2000
2000
English.
In: Japanese Journal of Applied Physics. - 0021-4922 .- 1347-4065. ; 39:9B, s. 5418-5420

Related links:: https://urn.kb.se/re...; show more...; https://doi.org/10.1...; show less...

Abstract Subject headings

We report the ferroelectric and magnetoresistive properties and crystallization of a PbZr0.52Ti0.48O3 (PZT)/La0.8Sr0.2MnO3 (LSMO) heterostructure film prepared by pulsed-laser deposition on a MgO(100) single crystal substrate. Ferroelectric properties such as the hysteresis loop and dielectric constant of the Au/PZT/LSMO capacitor were compared with those of the Au/PZT/YBa2Cu3O7-x, (YBCO) superconductor heterostructure film. The resistivity of the LSMO film was as low as that of the YBCO film at room temperature. The fabricated Au/PZT/LSMO capacitor had a remanent polarization of 29 muC/cm(2), a coercive field of 30 kV/cm and a dielectric constant of about 1000.

By the author/editor: Mitsugi, F.; Yamagata, Y.; Ikegami, T.; Ebihara, K.; Narayan, J.; Grishin, Alexand ...

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