Fabrication and characterization of (Sr, Ba)Nb2O6 thin films by pulsed laser deposition

被引：18

作者：

Nakano, M ^{[1
]}

Tabata, H ^{[1
]}

Tanaka, K ^{[1
]}

Katayama, Y ^{[1
]}

Kawai, T ^{[1
]}

机构：

[1] OSAKA UNIV, INST SCI & IND RES, IBARAKI, OSAKA 567, JAPAN

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1997年 / 36卷 / 10A期

关键词：

pulsed laser deposition; epitaxial growth; ferroelectric thin films; strontium barium niobate;

D O I：

10.1143/JJAP.36.L1331

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Thin films of (Sr, Ba)Nb2O6 (SBN) have been fabricated using a pulsed laser deposition technique. The c-axis oriented films were obtained on SrTiO3 (100) substrates at temperatures higher than 650 degrees C in an oxygen atmosphere (containing 8% O-3) of 3 mTorr. Phi scans on the (221) plane showed that the films have two antiphase domains. The a-axis of SBN is aligned at +/-18.4 degrees with respect to the a-axis of SrTiO3. The epitaxial relationship between SBN and SrTiO3 is SBN [100]//SrTiO3 [310]. The lattice mismatch between SBN films and SrTiO3 substrates is less than 1%, which contributes to the exellent crystallinity of SBN thin films. The rocking curves of the (002) peak of SBN films grown at 700 degrees C showed the FWHM of 0.31 degrees.

引用

页码：L1331 / L1332

页数：2

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