(001)-ORIENTED PBTIO3 FERROELECTRIC THIN-FILMS GROWN ON SI BY METAL-ORGANIC CHEMICAL-VAPOR-DEPOSITION

被引:4
|
作者
MA, WH [1 ]
ZHANG, MS [1 ]
SHUN, L [1 ]
CHEN, YF [1 ]
MING, NB [1 ]
机构
[1] NANJING UNIV,CTR ADV STUDIES SCI & TECHNOL MICROSTRUCT,NANJING 210093,PEOPLES R CHINA
关键词
D O I
10.1088/0953-8984/7/47/023
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
PbTiO3 ferroelectric thin films have been prepared on Si (001) by metal-organic chemical vapour deposition. The as-grown films were characterized by scanning electron microscopy, x-ray diffraction and Raman spectroscopy. It is shown that the films were highly (001) oriented and had essentially the same lattice constants as the bulk single crystal. However, the as-grown films were subject to internal stress as shown by a downshift in the Raman modes when compared with a bulk single crystal.
引用
收藏
页码:9075 / 9080
页数:6
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