Distinguishing charge and strain coupling in ultrathin (001)-La0.7Sr0.3MnO3/PMN-PT heterostructures

Huang, Haoliang1,2,3,4; Chen, Zezhi5; Feng, Ce6,7,8; Yang, Yuanjun9,10; Wang, Jianlin1,2,3,4; Zhang, Jie2,3,4; Hong, Bin1; Hu, Sixia11; Zhai, Xiaofang2,3,4; Peng, Ranran2,3,4,5; Fu, Zhengping2,3,4,5; Zhao, Yonggang6,7,8; Lu, Yalin1,2,3,4,5

2018-12-24

10.1063/1.5051324

APPLIED PHYSICS LETTERS   影响因子和分区

0003-6951

1077-3118

Interfacial charge and strain distributions inside artificial perovskite ABO(3) heterostructures often affect intriguing physical properties that are important to device performance. Normally, both charge and strain coexist across the interfaces, and their exact roles in determining the properties remain elusive. In the present work, La0.7Sr0.3MnO3 (LSMO) ultrathin films were grown on (001)-0.7Pb(Mg1/3Nb2/3) O-3-0.3PbTiO(3) (PMNPT) single-crystal substrates to discriminate between the effect of charge and strain on the transport and magnetoelectric properties. In heterostructures with thicker LSMO films, the strain effect dominates the resistance and the magnetic moment depends on the external electric field. With the decreasing LSMO thickness, the butterfly-like resistance-electric-field (R-E) and magnetization-electric-field (M-E) curves become loop-like, indicating that charge effects dominate strain effects in determining the electric field that controls the transport and magnetic properties. Furthermore, soft-x-ray absorption spectra of 32 and 4 nm LSMO/PMNPT samples at the Mn L edge under an applied electric field of +/- 6 kV/cm indicate that orbital reconstruction also plays an important role in interfacial magnetoelectric coupling. Published by AIP Publishing.

SCI ; EI

英语

NI期刊

其他

Anhui Initiative in Quantum Information Technologies[AHY100000]

Physics

Physics, Applied

WOS:000454616700021

AMER INST PHYSICS

20190106342957

Electric fields ; Lanthanum compounds ; Lead titanate ; Magnetic moments ; Manganese compounds ; Perovskite ; Single crystals ; Strain ; Strontium compounds ; Ultrathin films ; X ray absorption ; X rays

Minerals:482.2 ; Electricity: Basic Concepts and Phenomena:701.1 ; Magnetism: Basic Concepts and Phenomena:701.2 ; Electromagnetic Waves:711 ; High Energy Physics:932.1 ; Crystalline Solids:933.1 ; Materials Science:951

PHYSICS

Web of Science

1.Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Anhui, Peoples R China
2.Univ Sci & Technol China, Quantum Mat & Photon Technol Lab, Hefei 230026, Anhui, Peoples R China
3.Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Anhui, Peoples R China
4.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
5.Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Hefei 230026, Anhui, Peoples R China
6.Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
7.Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
8.Tsinghua Univ, Collaborat Innovat Ctr Quantum Matter, Beijing 100084, Peoples R China
9.Hefei Univ Technol, Sch Elect Sci & Appl Phys, Hefei 230009, Anhui, Peoples R China
10.Hefei Univ Technol, Lab Quantum Mat & Interfaces, Hefei 230009, Anhui, Peoples R China
11.Southern Univ Sci & Technol, Mat Characterizat & Preparat Ctr, Shenzhen 518055, Guangdong, Peoples R China

Huang, Haoliang,Chen, Zezhi,Feng, Ce,et al. Distinguishing charge and strain coupling in ultrathin (001)-La0.7Sr0.3MnO3/PMN-PT heterostructures[J]. APPLIED PHYSICS LETTERS,2018,113(26).

Huang, Haoliang.,Chen, Zezhi.,Feng, Ce.,Yang, Yuanjun.,Wang, Jianlin.,...&Lu, Yalin.(2018).Distinguishing charge and strain coupling in ultrathin (001)-La0.7Sr0.3MnO3/PMN-PT heterostructures.APPLIED PHYSICS LETTERS,113(26).

Huang, Haoliang,et al."Distinguishing charge and strain coupling in ultrathin (001)-La0.7Sr0.3MnO3/PMN-PT heterostructures".APPLIED PHYSICS LETTERS 113.26(2018).