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

被引：12
|
作者：
Mitsugi, F [1 ]
Yamagata, Y
Ikegami, T
Ebihara, K
Narayan, J
Grishin, AM
机构：
[1] Kumamoto Univ, Dept Elect & Comp Engn, Kumamoto 8608555, Japan
[2] N Carolina State Univ, Dept Mat Sci & Engn, Raleigh, NC 27695 USA
[3] Royal Inst Technol, Dept Condensed Matter Phys, S-10044 Stockholm, Sweden
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 2000年 / 39卷 / 9B期
关键词：
PZT; LSMO; ferroelectrics; colossal magnetoresistance; heterostructure; pulsed-laser deposition;
D O I：
10.1143/JJAP.39.5418
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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.
引用
收藏
页码：5418 / 5420
页数：3
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