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作者:

Tanguturi, Ranganadha Gopalarao (Tanguturi, Ranganadha Gopalarao.) | Zhou, Peng (Zhou, Peng.) | Yan, Zhuo (Yan, Zhuo.) | Qi, Yajun (Qi, Yajun.) | Xia, Zhengcai (Xia, Zhengcai.) | Liu, Yong (Liu, Yong.) | Xiong, Rui (Xiong, Rui.) | Guo, Yizhong (Guo, Yizhong.) | Wang, Lihua (Wang, Lihua.) (学者:王立华) | Srinivasan, Gopalan (Srinivasan, Gopalan.) | Zhang, Tianjin (Zhang, Tianjin.)

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EI Scopus SCIE

摘要:

The results of a study on the electronic states and valence band offset (VBO) in heterostructures of the transition metal oxide LaNiO3 (LNO)/SrRuO3 (SRO) grown on (001) SrTiO3 (STO) substrates are reported. X-ray photoelectron spectroscopy (XPS) data reveal the presence of Ni2+ states in LNO layer that can develop a reduced bandwidth of O-2p and Ni-3d. Further analysis of XPS data confirms the presence of a VBO, and the value of VBO is found to be +0.02 eV and -0.38 eV for the bilayers of STO/LaNiO3/SrRuO3 (BL-1) and STO/SrRuO3/LaNiO3 (BL-2), respectively. Distinct signs of VBO are noticed between the bilayers due to the relative shift of the valence band of the top layer with respect to the bottom layer. Such band shifts can lead to the charge transfer across the (3d-4d) interface, which significantly modifies the global electronic transport and magnetic properties of the bilayers. A detailed discussion on the underlying physical phenomena of electrical transport and magnetic responses triggered by the interface is also incorporated herein.

关键词:

LaNiO3/SrRuO3 heterostructures valence band offsets electrical transport interfacial charge transfer

作者机构:

  • [ 1 ] [Tanguturi, Ranganadha Gopalarao]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China
  • [ 2 ] [Zhou, Peng]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China
  • [ 3 ] [Yan, Zhuo]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China
  • [ 4 ] [Qi, Yajun]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China
  • [ 5 ] [Zhang, Tianjin]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China
  • [ 6 ] [Xia, Zhengcai]Huazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430071, Peoples R China
  • [ 7 ] [Liu, Yong]Wuhan Univ, Dept Phys, Minist Educ, Wuhan 430072, Peoples R China
  • [ 8 ] [Xiong, Rui]Wuhan Univ, Dept Phys, Minist Educ, Wuhan 430072, Peoples R China
  • [ 9 ] [Liu, Yong]Wuhan Univ, Key Lab Acoust & Photon Mat & Devices, Minist Educ, Wuhan 430072, Peoples R China
  • [ 10 ] [Xiong, Rui]Wuhan Univ, Key Lab Acoust & Photon Mat & Devices, Minist Educ, Wuhan 430072, Peoples R China
  • [ 11 ] [Guo, Yizhong]Beijing Univ Technol, Inst Microstruct & Properties Adv Mat, Beijing 100022, Peoples R China
  • [ 12 ] [Wang, Lihua]Beijing Univ Technol, Inst Microstruct & Properties Adv Mat, Beijing 100022, Peoples R China
  • [ 13 ] [Srinivasan, Gopalan]Oakland Univ, Phys Dept, Rochester, MI 48309 USA

通讯作者信息:

  • [Qi, Yajun]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China;;[Zhang, Tianjin]Hubei Univ, Sch Mat Sci & Engn, Key Lab Green Preparat & Applicat Funct Mat, Hubei Prov Key Lab Polymers,Minist Educ, Wuhan 430062, Peoples R China

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来源 :

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS

ISSN: 0370-1972

年份: 2021

期: 8

卷: 258

1 . 6 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:72

JCR分区:3

被引次数:

WoS核心集被引频次: 4

SCOPUS被引频次: 4

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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