Study of the branching domain structures in epitaxial films of yttrium iron garnet by end face magnetic force microscopy

Lisovskii, F. V.; Mansvetova, E. G.; Temiryazeva, M. P.; Temiryazev, A. G.

doi:10.1134/s0021364012210084

Cited by 8 publications

(3 citation statements)

References 13 publications

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“…For a long time, the growth of YIG has been accomplished by liquid phase epitaxy, which offers excellent epitaxial quality and dynamic properties such as low damping and a rich spin-wave spectrum. The magnetic properties of these bulk-like samples, including the magnetocrystalline anisotropy 21,22 and magnetic domain structure [23][24][25] , have been extensively characterized in the past. However, with rare exceptions 26 , samples grown by liquid phase epitaxy usually have thicknesses in the μm to mm range.…”

Section: Introductionmentioning

confidence: 99%

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Magnetic properties and domain structure of ultrathin yttrium iron garnet/Pt bilayers

Mendil

Trassin

et al. 2019

Phys. Rev. Materials

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We report on the structure, magnetization, magnetic anisotropy, and domain morphology of ultrathin yttrium iron garnet (YIG)/Pt films with thickness ranging from 3 to 90 nm. We find that the saturation magnetization is close to the bulk value in the thickest films and decreases towards low thickness with a strong reduction below 10 nm. We characterize the magnetic anisotropy by measuring the transverse spin Hall magnetoresistance as a function of applied field. Our results reveal strong easy plane anisotropy fields of the order of 50-100 mT, which add to the demagnetizing field, as well as weaker in-plane uniaxial anisotropy ranging from 10 to 100 μT. The in-plane easy axis direction changes with thickness, but presents also significant fluctuations among samples with the same thickness grown on the same substrate. X-ray photoelectron emission microscopy reveals the formation of zigzag magnetic domains in YIG films thicker than 10 nm, which have dimensions larger than several 100 μm and are separated by achiral Néel-type domain walls. Smaller domains characterized by interspersed elongated features are found in YIG films thinner than 10 nm.

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Section: Introductionmentioning

confidence: 99%

“…Finally, a comprehensive knowledge of the domain and domain wall structure in the thin film regime is lacking. Recent studies on magnetic domains address only bulk 25 , several micrometers 44 or hundreds of nanometers 45 thick YIG films.…”

Section: Introductionmentioning

confidence: 99%

Magnetic properties and domain structure of ultrathin yttrium iron garnet/Pt bilayers

Mendil

Trassin

et al. 2019

Phys. Rev. Materials

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“…Understanding the mechanisms that allow for control of the domain structure may have far-reaching consequences for the development of data storage technology. [3] Magnetic domains of garnet films can be observed easily via magneto-optical microscope or magnetic force microscopy, [4,5] which commonly show a labyrinth structure. [6,7] However, other types of domain structures may also appear under the influence of a magnetic field, [8] which is an important factor in determining the domain structure.…”

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confidence: 99%

Evolution of Magnetic Domain Structure in a YIG Thin Film

Wang

Shang

et al. 2016

Chinese Phys. Lett.

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The evolution of a magnetic domain structure induced by temperature and magnetic field is reported in silicondoped yttrium iron garnet (YIG) films with perpendicular anisotropy. During a cooling-down procedure from 300 K to 7 K, a 20% change in the domain width is observed, with the long tails of the stripes being shortened and the twisting stripes being straightened. Under the influence of the stray field of a barium ferrite, the garnet presents an interesting domain structure, which shows an appearance of branching protrusions. The intrinsic mechanisms in these two processes are also discussed.

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Bloch Chirality Induced by an Interlayer Dzyaloshinskii-Moriya Interaction in Ferromagnetic Multilayers

et al. 2020

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Study of the branching domain structures in epitaxial films of yttrium iron garnet by end face magnetic force microscopy

Cited by 8 publications

References 13 publications

Magnetic properties and domain structure of ultrathin yttrium iron garnet/Pt bilayers

Magnetic properties and domain structure of ultrathin yttrium iron garnet/Pt bilayers

Evolution of Magnetic Domain Structure in a YIG Thin Film

Bloch Chirality Induced by an Interlayer Dzyaloshinskii-Moriya Interaction in Ferromagnetic Multilayers

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