Giant vertical magnetization shift induced by spin canting in a Co/Ca<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow /><mml:mn>2</mml:mn></mml:msub></mml:math>Ru<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow /><mml:mrow><mml:mn>0.98</mml:mn></mml:mrow></mml:msub></mml:math>Fe<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mrow /><mml:mrow><mml:mn>0.02</mml:mn></mml:mrow></mm

Yuan, Shujuan; Li, L; Qi, Tongfei; DeLong, L. E.; Cao, Gang

doi:10.1103/physrevb.88.024413

Cited by 28 publications

(14 citation statements)

References 27 publications

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“…The vertical shift of M-H hysteresis loops due to spin canting in the AFM layer was reported by Yuan et al [90] for the Co/Ca 2 Ru 0.98 Fe 0.02 FeO 4 (FM/AFM) heterostructure, where the Co layer was sputtered on the Ca 2 Ru 0.98 Fe 0.02 FeO 4 single crystal. When the FM/AFM system was cooled down to 10 K in a magnetic field, a horizontal and a vertical shift of the M-H loop was observed.…”

Section: Shift Of the M-h Loop Along The Magnetization Axissupporting

confidence: 57%

Biasing Effects in Ferroic Materials

Kovaľ¹,

Viola²,

Tan³

2015

Ferroelectric Materials - Synthesis and Characterization

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In this chapter we present an overview of some important concepts related to the processes and microstructural mechanisms that produce the deformation of hysteresis loops and the loss of their symmetry characteristics in ferroelectric, ferroelastic and ferromagnetic systems. The most discussed themes include: aging and fatigue as primary mechanisms of biased hysteresis loops in ferroelectric/ferroelastic materials, imprint phenomenon as an important biasing process in ferroelectric thin films, the development of an exchange bias field and of specific spin states, such as spin canting and spin-glass-like phases, as the main causes of biased hysteresis loops in different types of magnetic heterostructures. The present discussion leads to the identification of the main differences and possible analogies in the underlying mechanisms of possible biasing effects occurring in the different ferroic systems, which can benefit the theoretical description, modelling, and engineering of multifunctional devices based on ferroic systems experiencing the internal bias phenomena.

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Section: Shift Of the M-h Loop Along The Magnetization Axissupporting

confidence: 57%

Biasing Effects in Ferroic Materials

Kovaľ¹,

Viola²,

Tan³

2015

Ferroelectric Materials - Synthesis and Characterization

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“…To have the simultaneous presence of large magnetic moment and large exchange bias, we need a net magnetic moment in the AFM phase and an AFM phase strongly coupled to the FM phase. This is observed in other systems where the net magnetic moment is provided by non-collinear magnetic structures in AFM phase or in a ferrimagnetic one [23,24]. This phenomenon of pure vertical shift is realized mainly due to three conditions.…”

Section: Hysteresis Loops For Two Independent Fm Phasesmentioning

confidence: 58%

“…However the horizontal shift in YMnO 3 /LSMO is negligible compared with the vertical shift. The vertical shift was found together with the horizontal shift [23,24], but this system basically shows a pure vertical shift in the hysteresis loop. YMnO 3 /La Sr 2 3 1 3 MnO 3 heterostructure is the missing element in the phenomenology of the magnetic interface and can be a key point in the understanding of the magnetic interface phenomena.…”

Section: Introductionmentioning

confidence: 94%

Unusual ferromagnetic YMnO₃phase in YMnO₃/La_{2 / 3}Sr_{1 / 3}MnO₃heterostructures

Autieri

Sanyal

2014

New J. Phys.

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By means of first-principles density functional calculations, we study the structural, magnetic and electronic properties of YMnO 3 /La Sr 2 3 1 3 MnO 3 heterostructures. Although in the bulk the ground state of YMnO 3 is an antiferromagnet, the YMnO 3 /La Sr 2 3 1 3 MnO 3 heterostructure stabilizes the ferromagnetic (FM) phase in YMnO 3 in the interface region over a wide range of Coulomb repulsion parameters. The hypothetical FM phase of bulk YMnO 3 is dielectric and due to substantial differences between the lattice constants in the ab plane, a strong magnetocrystalline anisotropy is present. This anisotropy produces a high coercivity of the unusual FM YMnO 3 that can explain the large vertical shift in the hysteresis loops observed in recent experiments (Paul et al 2014 J. Appl. Crystallogr. 47 1054. The correlation between weak exchange bias and the vertical shift is proposed, which calls for reinvestigation of various systems showing vertical shifts.

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“…These oxides present unique properties, such as magnetism, superconductivity, metalinsulator transitions, electron transfer, or ferroelectricity. [5][6][7][8][9][10][11][12] In these systems, the exchange coupling affects the physical properties of these oxides and in turn some parameters of the AFM oxides can be used to manipulate the variation of EB. A representative example is the strain controls the exchange bias in FM/AFM (ferroelectric) system.…”

Section: Introductionmentioning

confidence: 99%

Mediating exchange bias by Verwey transition in CoO/Fe3O4 thin film

Liu

Zhang

et al. 2018

Journal of Applied Physics

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We report the tunability of the exchange bias effect by the first-order metal-insulator transition (known as the Verwey transition) of Fe 3 O 4 in CoO (5 nm)/Fe 3 O 4 (40 nm)/MgO (001) thin film. In the vicinity of the Verwey transition, the exchange bias field is substantially enhanced because of a sharp increase in magnetocrystalline anisotropy constant from high-temperature cubic to lowtemperature monoclinic structure. Moreover, with respect to the Fe 3 O 4 (40 nm)/MgO (001) thin film, the coercivity field of the CoO (5 nm)/Fe 3 O 4 (40 nm)/MgO (001) bilayer is greatly increased for all the temperature range, which would be due to the coupling between Co spins and Fe spins across the interface. Published by AIP Publishing. https://doi.

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Giant vertical magnetization shift induced by spin canting in a Co/Ca2Ru0.98Fe0.02

Abstract: We present a study of exchange bias generated at the interface between a polycrystalline Co film sputtered on a cleavage plane of single-crystal

Cited by 28 publications

References 27 publications

Biasing Effects in Ferroic Materials

Biasing Effects in Ferroic Materials

Unusual ferromagnetic YMnO₃phase in YMnO₃/La_{2 / 3}Sr_{1 / 3}MnO₃heterostructures

Mediating exchange bias by Verwey transition in CoO/Fe3O4 thin film

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Giant vertical magnetization shift induced by spin canting in a Co/Ca2Ru0.98Fe0.02

Abstract: We present a study of exchange bias generated at the interface between a polycrystalline Co film sputtered on a cleavage plane of single-crystal

Cited by 28 publications

References 27 publications

Biasing Effects in Ferroic Materials

Biasing Effects in Ferroic Materials

Unusual ferromagnetic YMnO3phase in YMnO3/La2 / 3Sr1 / 3MnO3heterostructures

Mediating exchange bias by Verwey transition in CoO/Fe3O4 thin film

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Unusual ferromagnetic YMnO₃phase in YMnO₃/La_{2 / 3}Sr_{1 / 3}MnO₃heterostructures