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Atomically resolved precipitates/matrix interfaces in KTaO3 crystals
Xu, Y. B.; Tang, Y. L.; Liu, Y.; Ma, X. L.; Zhu, Y. L.; ylzhu@imr.ac.cn
2016
Source PublicationPHILOSOPHICAL MAGAZINE
ISSN1478-6435
Volume96Issue:5Pages:486-497
AbstractKTaO3 is an incipient ferroelectric with its properties influenced by defects and the purity. In this paper, we investigated the microstructures of KTaO3 by X-ray diffraction (XRD) and Cs-corrected scanning transmission electron microscopy (STEM). XRD and electron diffraction indicate that a second phase of K6Ta10.8O30 precipitates from the matrix. Four orientation relationships were identified: (100)(m) // High resolution imaging shows that the interfaces between the second phase and KaTaO(3) are distinct and coherent. Atomically resolved analysis identified two kinds of novel ordered defects at the interfaces with the termination planes either KO plane of KTaO3 or TaO2 plane of KTaO3.
description.department[xu, y. b. ; tang, y. l. ; liu, y. ; ma, x. l. ; zhu, y. l.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordHigh Resolution (Scanning) Transmission Electron Microscopy Precipitate Interface Structures Orientation Relationships Ktao3
Funding OrganizationNational Natural Science Foundation of China [51231007, 51171190]; National Basic Research Program of China [2014CB921002, 2009CB623705]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74648
Collection中国科学院金属研究所
Corresponding Authorylzhu@imr.ac.cn
Recommended Citation
GB/T 7714
Xu, Y. B.,Tang, Y. L.,Liu, Y.,et al. Atomically resolved precipitates/matrix interfaces in KTaO3 crystals[J]. PHILOSOPHICAL MAGAZINE,2016,96(5):486-497.
APA Xu, Y. B.,Tang, Y. L.,Liu, Y.,Ma, X. L.,Zhu, Y. L.,&ylzhu@imr.ac.cn.(2016).Atomically resolved precipitates/matrix interfaces in KTaO3 crystals.PHILOSOPHICAL MAGAZINE,96(5),486-497.
MLA Xu, Y. B.,et al."Atomically resolved precipitates/matrix interfaces in KTaO3 crystals".PHILOSOPHICAL MAGAZINE 96.5(2016):486-497.
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