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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
发表期刊JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
卷号38期号:1页码:105-111
摘要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.; 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.
部门归属[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
关键词Titanate Thin-films Low-temperature In-situ State Photocatalysis Precursors Chemistry Ceramics Graphene Equation
学科领域Materials Science, Ceramics
资助者Hundred Talents Program of Chinese Academy of Sciences; National Natural Science of Foundation of China [51172238, 51502303]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79629
专题中国科学院金属研究所
通讯作者Wang, ZJ (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
推荐引用方式
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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