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Evolution of the SrTiO3-MoO3 Interface Electronic Structure: An in Situ Photoelectron Spectroscopy Study
Du, YM; Peng, HY; Mao, HY; Jin, KX; Wang, H; Li, F; Gao, XY; Chen, W; Wu, T
2015
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume7Issue:21Pages:11309—11314
Subtype期刊文献
AbstractModifying the surface energetics, particularly the work function of advanced materials, is of critical importance for a wide range of surface- and interface-based devices. In this work, using in situ photoelectron spectroscopy, we investigated the evolution of electronic structure at the SrTiO3 surface during the growth of ultra-thin MoO3 layers. Because of the large work function difference between SrTiO3 and MoO3, the energy band alignment on the SrTiO3 surface is significantly modified. The charge transfer and dipole formation at the SrTiO3-MoO3 interface leads to a large modulation of work function and to apparent doping in SrTiO3. The measured evolutions of electronic structure and upward band bending suggest that the growth of ultra-thin MoO3 layers is a powerful tool with which to modulate the surface energetics of SrTiO3, and this surface engineering approach could be generalized to other functional oxides.
KeywordSchottky-barrier Heights Transition-metal Oxides Thin-films Molybdenum Trioxide Surface Layer Resistance Gas Memory States
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24457
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Du, YM,Peng, HY,Mao, HY,et al. Evolution of the SrTiO3-MoO3 Interface Electronic Structure: An in Situ Photoelectron Spectroscopy Study[J]. ACS APPLIED MATERIALS & INTERFACES,2015,7(21):11309—11314.
APA Du, YM.,Peng, HY.,Mao, HY.,Jin, KX.,Wang, H.,...&Wu, T.(2015).Evolution of the SrTiO3-MoO3 Interface Electronic Structure: An in Situ Photoelectron Spectroscopy Study.ACS APPLIED MATERIALS & INTERFACES,7(21),11309—11314.
MLA Du, YM,et al."Evolution of the SrTiO3-MoO3 Interface Electronic Structure: An in Situ Photoelectron Spectroscopy Study".ACS APPLIED MATERIALS & INTERFACES 7.21(2015):11309—11314.
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