UM
Controlled compensation via non-equilibrium electrons in ZnO
Xie, Xiuhua1; Li, Binghui1; Zhang, Zhenzhong1; Wang, Shuangpeng2; Shen, Dezhen1
2018-11-16
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8
AbstractDoping wide-band-gap semiconductor with impurities always accompanied spontaneous compensation of opposite charged intrinsic defects, which lead to invalid control of the type of free carriers. We demonstrate an effectual route to overcoming such detrimental defects formation during doping by suppressing Fermi level shifting using non-equilibrium carriers gathering on the polar epitaxial surfaces. Non-equilibrium carriers are generated by ultraviolet light excited interband transitions (photon energy greater than bandgap). Because the p-type dopants are compensated by non-equilibrium electrons at metal-polar surfaces, donor-type native defects are inhibited. This new doping strategy provides an attractive solution to self-compensation problems in wide-band-gap semiconductors with spontaneous polarization of the future.
DOI10.1038/s41598-018-35178-w
URLView the original
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000450411700051
PublisherNATURE PUBLISHING GROUP
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Cited Times [WOS]:1   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Jilin, Peoples R China;
2.Univ Macau, Inst Appl Phys & Mat Engn, Macau 999078, Peoples R China
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GB/T 7714
Xie, Xiuhua,Li, Binghui,Zhang, Zhenzhong,et al. Controlled compensation via non-equilibrium electrons in ZnO[J]. SCIENTIFIC REPORTS,2018,8.
APA Xie, Xiuhua,Li, Binghui,Zhang, Zhenzhong,Wang, Shuangpeng,&Shen, Dezhen.(2018).Controlled compensation via non-equilibrium electrons in ZnO.SCIENTIFIC REPORTS,8.
MLA Xie, Xiuhua,et al."Controlled compensation via non-equilibrium electrons in ZnO".SCIENTIFIC REPORTS 8(2018).
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