Oxygen pressure dependent interfacial polarization of perovskite oxide multilayers on Si substrates |
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| Authors: | Yingtang Zhang Yiming Zhang Xinqiang Yuan Taotao Ai |
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| Affiliation: | a School of Material Science & Engineering, Institute of Functional Material, Shaanxi University of Technology, Hanzhong 723003, China
b State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an, Shaanxi 710049, China |
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| Abstract: | The SrTiO3/La0.9Sr0.1MnO3 (STO/LSMO) multilayers were fabricated on n-Si (1 0 0) substrates using a computer-controlled laser molecular-beam epitaxy (MBE) technique at 1 × 10−2 Pa and 2 × 10−4 Pa oxygen partial pressures, respectively. The dielectric properties of the multilayers (MLs) were investigated. The differences of the dielectric properties of the two samples were explained by an impedance analysis technique, which indicates that the interfacial polarization has a close relationship with the oxygen pressure. |
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| Keywords: | 68.37.&minus d 73.30.+y 77.55f 81.15.Np |
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