Study On BaxSr1-xTiO3 Ferroelectric Thin Film Prepared by Sol-Gel Methods

Journal of Inorganic Materials

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Study On Ba_xSr_1-xTiO₃ Ferroelectric Thin Film Prepared by Sol-Gel Methods

WANG-Jing^1,2; LAN Yan-Mei²; WANG Wei¹; YANG Cai-Qin¹; LIU Ming-Deng²

1. Pharmaceutical College; Hebei Medical University Shijiazhuang 050017; China; 2. Chemical Depart- ment; Gunagxi Normal University Guilin 541004; China

Received:2000-11-29 Revised:2001-01-15 Published:2001-11-20 Online:2001-11-20

Abstract

Abstract: The preparation of Ba_xSr_1-xTiO₃(BST) ferroelectric thin films was studied. A dry chemical control additive(DCCA) was added to the sol in order to avoid producing cracks. Metal- alkoxide and partial acetate methods influencing on the quality of BST thin film were also studied. The grain size, microstructure and electric properties of the films were characterized by XRD spectra, C - V characteristic, IR spectra, I - V curve, etc. The results indicate that the quality of the material synthesised by the metal-alkoxide method is better.

Key words: sol-gel, barium stronium titanate, ferroelectric thin-film

WANG-Jing,LAN Yan-Mei,WANG Wei,YANG Cai-Qin,LIU Ming-Deng. Study On Ba_xSr_1-xTiO₃ Ferroelectric Thin Film Prepared by Sol-Gel Methods[J]. Journal of Inorganic Materials.

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Study On Ba_xSr_1-xTiO₃ Ferroelectric Thin Film Prepared by Sol-Gel Methods

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