HETEROSTRUCTURES OF PB(ZRXTI1-X)O3 AND YBA2CU3O7-DELTA ON MGO SUBSTRATE PREPARED BY PULSED-LASER ABLATION

被引：45

作者：

WU, NJ

IGNATIEV, A

MESARWI, AW

LIN, H

XIE, K

SHIH, HD

机构：

[1] TEXAS INSTRUMENTS INC,CENT RES LABS,DALLAS,TX 75205

[2] UNIV HOUSTON,CTR SPACE VACUUM EPITAXY,HOUSTON,TX 77204

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1993年 / 32卷 / 11A期

关键词：

FERROELECTRICS; SUPERCONDUCTIVITY; THIN FILM; LASER ABLATION;

D O I：

10.1143/JJAP.32.5019

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Ferroelectric Pb(Zr0.52Ti0.48)O3 (PZT) thin films were integrated to high-T, superconducting YBa2Cu3O7-delta (YBCO) films in PZT/YBCO/MgO(100) and YBCO/PZT/MgO(100) stacking structures by the pulsed laser ablation technique. The YBCO films in both structures were superconducting and c-axis oriented. The PZT films in both structures were of the perovskite structure having the (100) orientation. The detailed profile of PZT/YBCO interface was determined for the ferroelectric constituents. The ferroelectric properties of the PZT films were characterized in the temperature range of 40 K to 300 K. The remanent polarization was above 15 muC/cm2 and the coercive field was 46 kV/cm at room temperature. The cycling fatigue and the loss tangent were improved at low temperature.

引用

页码：5019 / 5023

页数：5

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