Cluster glass induced unconventional exchange bias in epitaxial LaMnO3/SrMnO3 bilayers

被引：5

作者：

Yu, Tao ^{[1
]}

Chen, Pingbo ^{[1
]}

Zhou, Liang ^{[1
]}

Ning, Xingkun ^{[2
]}

Deng, Bei ^{[1
]}

Shi, Xingqiang ^{[1
]}

He, Hongtao ^{[1
]}

机构：

[1] Southern Univ Sci & Technol, Dept Phys, Shenzhen 518055, Peoples R China

[2] Hebei Univ, Coll Phys Sci & Technol, Hebei Key Lab Opt Elect Informat & Mat, Baoding 071002, Peoples R China

来源：

MATERIALS LETTERS | 2019年 / 242卷

基金：

中国国家自然科学基金;

关键词：

Magnetic materials; Thin films; Epitaxial growth; Interfaces; ANION-DEFICIENT MANGANITE;

D O I：

10.1016/j.matlet.2019.01.119

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Unconventional exchange bias (EB) has been observed in epitaxially grown manganite bilayers composed of ferromagnetic LaMnO3 and G-type antiferromagnetic SrMnO3, with the Curie temperature T-C of LaMnO3 lower than the Neel temperature T-N of SrMnO3. A maximum EB field of 254 Oe at 2 K is achieved and the unconventional EB appears below a blocking temperature of about 150 K, very close to the T-C of the LaMnO3 layer. Such an effect is believed to arise from an interfacial cluster-glass-like state due to the spin frustration at the interface in the LaMnO3/SrMnO3 bilayer. (C) 2019 Elsevier B.V. All rights reserved.

引用

页码：95 / 98

页数：4

共 13 条

[1] Multi-interface spin exchange regulated biased magnetoelectric coupling in Cluster-assembled multiferroic heterostructural films [J].

Bai, Yulong ;

Yang, Bo ;

Zhang, Hao ;

Wu, Xin ;

Jiang, Ning ;

Zhao, Shifeng .

ACTA MATERIALIA, 2018, 155 :166-174

[2] Exchange coupling in the paramagnetic state [J].

Cai, JW ;

Liu, K ;

Chien, CL .

PHYSICAL REVIEW B, 1999, 60 (01) :72-75

[3] Strain engineering induced interfacial self-assembly and intrinsic exchange bias in a manganite perovskite film [J].

Cui, B. ;

Song, C. ;

Wang, G. Y. ;

Mao, H. J. ;

Zeng, F. ;

Pan, F. .

SCIENTIFIC REPORTS, 2013, 3

[4] Interfacial spin glass state and exchange bias in manganite bilayers with competing magnetic orders [J].

Ding, J. F. ;

Lebedev, O. I. ;

Turner, S. ;

Tian, Y. F. ;

Hu, W. J. ;

Seo, J. W. ;

Panagopoulos, C. ;

Prellier, W. ;

Van Tendeloo, G. ;

Wu, T. .

PHYSICAL REVIEW B, 2013, 87 (05)

[5] Self-doped lanthanum manganites as a phase-separated system: Transformation of magnetic, resonance, and transport properties with doping and hydrostatic compression [J].

Doroshev, V. D. ;

Borodin, V. A. ;

Kamenev, V. I. ;

Mazur, A. S. ;

Tarasenko, T. N. ;

Tovstolytkin, A. I. ;

Trukhanov, S. V. .

JOURNAL OF APPLIED PHYSICS, 2008, 104 (09)

[6]

Gibert M, 2012, NAT MATER, V11, P195, DOI [10.1038/NMAT3224, 10.1038/nmat3224]

[7] NEW MAGNETIC ANISOTROPY [J].

MEIKLEJOHN, WH ;

BEAN, CP .

PHYSICAL REVIEW, 1956, 102 (05) :1413-1414

[8] Exchange bias in La0.7Sr0.3MnO3/NiO and LaMnO3/NiO interfaces [J].

Ning, X. K. ;

Wang, Z. J. ;

Zhao, X. G. ;

Shih, C. W. ;

Zhang, Z. D. .

JOURNAL OF APPLIED PHYSICS, 2013, 113 (22)

[9] Exchange bias [J].

Nogués, J ;

Schuller, IK .

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 1999, 192 (02) :203-232

[10] Magnetic properties of La0.70Sr0.30MnO2.85 anion-deficient manganite under hydrostatic pressure [J].

Trukhanov, S. V. ;

Troyanchuk, I. O. ;

Trukhanov, A. V. ;

Fita, I. M. ;

Vasil'ev, A. N. ;

Maignan, A. ;

Szymczak, H. .

JETP LETTERS, 2006, 83 (01) :33-36

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