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Modulation of charged a(1)/a(2) domains and piezoresponses of tensile strained PbTiO3 films by the cooling rate
Ma, Jinyuan; Zhu, Yinlian; Tang, Yunlong; Han, Mengjiao; Wang, Yujia; Zhang, Ningbin; Zou, Minjie; Feng, Yanpeng; Geng, Wanrong; Ma, Xiuliang
2019-01-07
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume9Issue:25Pages:13981-13990
AbstractControlling domain width, orientation, and patterns in oxide ferroelectrics are not only important for fundamental research but also for potential electronic application. Here, a series of PbTiO3 thin films under various cooling rates were deposited on (110)-oriented NdScO3 substrates by pulsed laser deposition and investigated by using conventional transmission electron microscopy, Cs-corrected scanning TEM and piezoresponse force microscopy. Contrast analysis and electron diffraction revealed that PbTiO3 films are a(1)/a(2) domain patterns under large tensile strains with different cooling rates. The a(1)/a(2) domains distribute periodically and the domain width increases with decrease in the cooling rates. Upon increasing the cooling rate, the domain density increases and the domain configurations become complicated. There are special square frame-like domain patterns with charged domain walls found in the PTO films with the fast cooling rate. PFM measurement shows that the PTO films with high cooling rate exhibit enhanced piezoresponse behavior which is ascribed to the high density domain/domain walls and special domain configurations. The formation mechanism of the different domain configurations is discussed in terms of the effect of cooling rates, defects and thermal kinetics. These results are expected to provide useful information for domain/domain wall control and thus facilitate further modulation of the properties for potential applications.
Indexed BySCI
Language英语
WOS IDWOS:000468640100003
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81478
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Ma, Jinyuan,Zhu, Yinlian,Tang, Yunlong,et al. Modulation of charged a(1)/a(2) domains and piezoresponses of tensile strained PbTiO3 films by the cooling rate[J]. RSC ADVANCES,2019,9(25):13981-13990.
APA Ma, Jinyuan.,Zhu, Yinlian.,Tang, Yunlong.,Han, Mengjiao.,Wang, Yujia.,...&Ma, Xiuliang.(2019).Modulation of charged a(1)/a(2) domains and piezoresponses of tensile strained PbTiO3 films by the cooling rate.RSC ADVANCES,9(25),13981-13990.
MLA Ma, Jinyuan,et al."Modulation of charged a(1)/a(2) domains and piezoresponses of tensile strained PbTiO3 films by the cooling rate".RSC ADVANCES 9.25(2019):13981-13990.
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