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Crystallization kinetics of PbTiO3 ferroelectric films: Comparison of microwave irradiation with conventional heating
Zhang, YJ; Wang, ZJ; Chen, YN; Zhang, ZD; Wang, ZJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2018
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume38Issue:1Pages:105-111
AbstractLead titanate (PTO) films were deposited onto Pt/Ti/SiO2/Si substrates by a sol-gel method and annealed by microwave irradiation and conventional heating. In contrast to conventional heating, microwave irradiation can crystallize the PTO films at a low temperature of 450 degrees C or at 550 degrees C for only 5 min. The XRD and TEM studies reveal that microwave radiation can reduce the nucleation time, and increase the growth rate of perovskite grains in the crystallization process. Moreover, the results using the Avrami's model show that the effective activation energy for crystallization process by microwave irradiation is 131 kJ/mol, much lower than that for the PTO films by conventional heating (216 kJ/mol). Therefore, microwave irradiation can reduce the effective activation energy for the nucleation and grain growth of the perovskite phase during the crystallization process, contributing to a low-temperature or a short-time preparation process of ferroelectric films.; Lead titanate (PTO) films were deposited onto Pt/Ti/SiO2/Si substrates by a sol-gel method and annealed by microwave irradiation and conventional heating. In contrast to conventional heating, microwave irradiation can crystallize the PTO films at a low temperature of 450 degrees C or at 550 degrees C for only 5 min. The XRD and TEM studies reveal that microwave radiation can reduce the nucleation time, and increase the growth rate of perovskite grains in the crystallization process. Moreover, the results using the Avrami's model show that the effective activation energy for crystallization process by microwave irradiation is 131 kJ/mol, much lower than that for the PTO films by conventional heating (216 kJ/mol). Therefore, microwave irradiation can reduce the effective activation energy for the nucleation and grain growth of the perovskite phase during the crystallization process, contributing to a low-temperature or a short-time preparation process of ferroelectric films.
description.department[zhang, ya-ju ; wang, zhan jie ; chen, yan na ; zhang, zhi dong] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [zhang, ya-ju ; wang, zhan jie ; zhang, zhi dong] univ chinese acad sci, beijing 100049, peoples r china ; [wang, zhan jie] shenyang univ technol, sch mat sci & engn, shenyang 110870, liaoning, peoples r china
KeywordTitanate Thin-films Low-temperature In-situ State Photocatalysis Precursors Chemistry Ceramics Graphene Equation
Subject AreaMaterials Science, Ceramics
Funding OrganizationHundred Talents Program of Chinese Academy of Sciences; National Natural Science of Foundation of China [51172238, 51502303]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79629
Collection中国科学院金属研究所
Corresponding AuthorWang, ZJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, YJ,Wang, ZJ,Chen, YN,et al. Crystallization kinetics of PbTiO3 ferroelectric films: Comparison of microwave irradiation with conventional heating[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2018,38(1):105-111.
APA Zhang, YJ,Wang, ZJ,Chen, YN,Zhang, ZD,&Wang, ZJ .(2018).Crystallization kinetics of PbTiO3 ferroelectric films: Comparison of microwave irradiation with conventional heating.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,38(1),105-111.
MLA Zhang, YJ,et al."Crystallization kinetics of PbTiO3 ferroelectric films: Comparison of microwave irradiation with conventional heating".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38.1(2018):105-111.
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