RECENT ADVANCES IN PHYSICAL VAPOR GROWTH-PROCESSES FOR FERROELECTRIC THIN-FILMS

被引:22
作者
KRUPANIDHI, SB
机构
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS | 1992年 / 10卷 / 04期
关键词
D O I
10.1116/1.578046
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Recent developments in the deposition of ferroelectric thin films involving physical vapor depositions are described, which include (a) multimagnetron sputter deposition, (b) multi-ion-beam reactive sputter (MIBERS) deposition, (c) pulsed excimer laser ablation, and (d) electron cyclotron resonance plasma-assisted deposition. The prevailing intrinsic low-energy ion bombardment during the growth process, common to these methods, may be used to control composition, crystallization temperature, and microstructure. A low-energy (60-75 eV) off-normal incidence ion bombardment in the MIBERS technique and a dc glow discharge in the excimer laser ablation of ferroelectric Pb(Zr,Ti)O3 thin films indicated a reduction in the phase formation/crystallization temperature, improved the electrical properties, microstructure, and the surface smoothness. Discussion is presented emphasizing the effects of low-energy ion bombardment during deposition of ferroelectric films.
引用
收藏
页码:1569 / 1577
页数:9
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