Atomic and electronic structures of the interface and twin boundaries in epitaxial CuO films on a ZnO substrate - Details

author：

Zhao, Yanan (Zhao, Yanan.) ^[1] | Xing, Wandong (Xing, Wandong.) ^[2] | Ma, Xingqiao (Ma, Xingqiao.) ^[3] | Yu, Rong (Yu, Rong.) ^[4] | Meng, Fanyan (Meng, Fanyan.) ^[5]

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Abstract：

Interfacial　engineering　in　oxide　heterostructures　has　evolved　into　a　thriving　research　field　due　to　the　presence　of　diverse　novel　physical　phenomena.　In　this　study,　we　grew　epitaxial　CuO　thin　films　on　a　ZnO(0001)　single　crystal　substrate,　where　the　orientation　relationship　was　CuO　[110]　(111)　||　ZnO　[1120]　(0001).　The　atomic,　magnetic,　and　electronic　structures　of　the　CuO/ZnO　interface　and　the　CuO(001)　twin　boundary　were　studied　by　combining　aberration-corrected　scanning　transmission　electron　microscopy　and　first-principles　calculations.　The　CuO/ZnO　interface　was　found　to　be　fully　coherent　and　metallic,　making　it　possible　to　form　two-dimensional　electron　gas　between　the　two　semiconductors.　©　2022

Keyword：

Calculations Copper oxides Crystal atomic structure Crystal orientation Electronic structure High resolution transmission electron microscopy II-VI semiconductors Oxide films Phase interfaces Scanning electron microscopy Single crystals Substrates Two dimensional electron gas Wide band gap semiconductors Zinc oxide

Community：

[ 1 ] [Zhao, Yanan]Department of Physics, Beijing Engineering Research Center of Detection and Application for Weak Magnetic Field, University of Science and Technology Beijing, Beijing; 100083, China
[ 2 ] [Xing, Wandong]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou; 350002, China
[ 3 ] [Ma, Xingqiao]Department of Physics, Beijing Engineering Research Center of Detection and Application for Weak Magnetic Field, University of Science and Technology Beijing, Beijing; 100083, China
[ 4 ] [Yu, Rong]National Center for Electron Microscopy in Beijing, School of Materials Science and Engineering, Tsinghua University, Beijing; 100084, China
[ 5 ] [Meng, Fanyan]Department of Physics, Beijing Engineering Research Center of Detection and Application for Weak Magnetic Field, University of Science and Technology Beijing, Beijing; 100083, China

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Source ：

Materials Today Communications

Year： 2022

Volume： 33

3 . 8

JCR@2022

3 . 7 0 0

JCR@2023

ESI HC Threshold：91

JCR Journal Grade：2

CAS Journal Grade：4

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WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

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Chinese Cited Count：

30 Days PV： 4

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