CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Atomic Mechanism in Layer-by-Layer Growth via Surface Reconstruction
Yu, J; Li, XY; Miao, JJ; Yuan, WT; Zhou, SH; Zhu, BE; Gao, Y; Yang, HS; Zhang, Z; Wang, Y
2019
Source PublicationNANO LETTERS
ISSN1530-6984
Volume19Issue:6Pages:4205—4210
Subtype期刊论文
AbstractLayer-by-layer growth played a critical role in the fine design of novel materials and devices. Although it has been widely studied during materials synthesis, the atomic mechanism of the growth remains unclear due to the lack of direct observation at the atomic scale. Here, we report a new mode in layer-by-layer growth via surface reconstruction on MoO2 (011) by environmental transmission electron microscopy and density functional theory calculations. Our in situ environmental transmission electron microscopy results demonstrate that the layer-by-layer growth of MoO2 experiences two steps that occur in an oscillatory manner: (1) the formation of an atomic ledge by transforming a section of the reconstructed layer to the intrinsic surface layer and then (2) the spontaneous reconstruction of the newly formed intrinsic surface section. Thus, the surface reconstruction can be considered as an intermediated phase during the layer-by-layer growth of MoO2. A similar phenomenon was also observed in the MoO2 dissolution procedure.
KeywordIN-SITU PALLADIUM NANOCRYSTALS OXIDE STOICHIOMETRY TEM
DOI10.1021/acs.nanolett.9b01934
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/31481
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China;
2.Zhejiang Univ, Ctr Electron Microscopy, Sch Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China;
3.Zhejiang Univ, Dept Chem, Key Lab Appl Chem Zhejiang Prov, Hangzhou 310027, Zhejiang, Peoples R China;
4.Chinese Acad Sci, Shanghai Inst Appl Phys, Div Interfacial Water, Shanghai 201800, Peoples R China;
5.Chinese Acad Sci, Shanghai Inst Appl Phys, Key Lab Interfacial Phys & Technol, Shanghai 201800, Peoples R China;
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
7.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai 201210, Peoples R China
Recommended Citation
GB/T 7714
Yu, J,Li, XY,Miao, JJ,et al. Atomic Mechanism in Layer-by-Layer Growth via Surface Reconstruction[J]. NANO LETTERS,2019,19(6):4205—4210.
APA Yu, J.,Li, XY.,Miao, JJ.,Yuan, WT.,Zhou, SH.,...&Wang, Y.(2019).Atomic Mechanism in Layer-by-Layer Growth via Surface Reconstruction.NANO LETTERS,19(6),4205—4210.
MLA Yu, J,et al."Atomic Mechanism in Layer-by-Layer Growth via Surface Reconstruction".NANO LETTERS 19.6(2019):4205—4210.
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