Electromagneto-optical effects on local areas of a ferrite-garnet film

Koronovskyy, V. E.; Ryabchenko, S. M.; Kovalenko, V. F.

doi:10.1103/physrevb.71.172402

Cited by 41 publications

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“…They can be controlled and nucleated with magnetic field and laser light [6]. At the same time ferrite garnets films are shown to be magnetoelectrics and there was indirect evidence for electric field control of domain walls that appears as local electromagneto-optical effect [7].…”

Section: Electric Charge Distribution In Vertical Bloch Linesmentioning

confidence: 98%

Electric field control of micromagnetic structure

Логгинов

Мешков

Николаев

et al. 2007

Journal of Magnetism and Magnetic Materials

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Section: Electric Charge Distribution In Vertical Bloch Linesmentioning

confidence: 98%

Electric field control of micromagnetic structure

Логгинов

Мешков

Николаев

et al. 2007

Journal of Magnetism and Magnetic Materials

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“…1Â). ±ÓËÎÑÉÇÐËÇ ÒÇÓÇÏÇÐÐÑÅÑ àÎÇÍÕÓËÚÇÔÍÑÅÑ ÒÑÎâ ÐÂÒÓâÉÈÐÐÑÔÕßá ÑÍÑÎÑ 1 Í£ ÔÏ À1 ÒÓËÄÑAEËÎÑ Í ÏÑAEÖÎâÙËË ÖÅÎÂ ÄÓÂÜÇÐËâ ÄÇÎËÚËÐÑÌ ÒÑ-ÓâAEÍÂ ÐÇÔÍÑÎßÍËØ ÇAEËÐËÙ ËÎË AEÇÔâÕÍÑÄ ÖÅÎÑÄÞØ ÔÇÍÖÐAE [23,24]. ±ÓË ×ÑÍÖÔËÓÑÄÍÇ ÎÖÚÂ ÐÂ ÏÇÔÕÑ ÓÂÔÒÑÎÑÉÇÐËâ AEÑÏÇÐÐÑÌ ÅÓÂÐËÙÞ ÔËÅÐÂÎ, ÑÃÖÔÎÑÄÎÇÐÐÞÌ àÎÇÍÕÓÑ-ÏÂÅ-ÐËÕÑÑÒÕËÚÇÔÍËÏ à××ÇÍÕÑÏ, ÄÑÊÓÂÔÕÂÎ ÃÑÎÇÇ ÚÇÏ ÐÂ ÒÑ-ÓâAEÑÍ ÒÑ ÔÓÂÄÐÇÐËá Ô ÕÂÍËÏ ÉÇ ÔËÅÐÂÎÑÏ ÑÕ ÑAEÐÑÓÑAEÐÑ ÐÂÏÂÅÐËÚÇÐÐÞØ AEÑÏÇÐÑÄ [24,27], ÚÕÑ ÅÑÄÑÓËÎÑ Ñ ÃÑÎßÛÑÌ ÚÖÄÔÕÄËÕÇÎßÐÑÔÕË AEÑÏÇÐÐÑÌ ÅÓÂÐËÙÞ Í ÄÑÊAEÇÌÔÕÄËá àÎÇÍÕÓËÚÇÔÍÑÅÑ ÒÑÎâ.…”

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“…ÂÍÑÐÇÙ, ÐÂËÃÑÎÇÇ ÒÓÇÙËÊËÑÐÐÞÏ ÏÇÕÑAEÑÏ ËÊÏÇÓÇ-ÐËÌ ÏÂÅÐËÕÑàÎÇÍÕÓËÚÇÔÍËØ à××ÇÍÕÑÄ ÐÂ AEÑÏÇÐÐÞØ ÅÓÂ-ÐËÙÂØ ÒÓËÊÄÂÐÂ ÔÕÂÕß ÑÒËÔÂÐÐÂâ Ä ÐÇAEÂÄÐÇÌ ÔÕÂÕßÇ [25] ÔÒÇÍÕÓÑÔÍÑÒËâ ÑAEËÐÑÚÐÞØ ÏÑÎÇÍÖÎ.°ÐÂ ÒÑÊÄÑÎâÇÕ ËÊÏÇ-ÓâÕß ÓÂÔÒÓÇAEÇÎÇÐËÇ àÎÇÍÕÓËÚÇÔÍËØ ÒÑÎÇÌ, ÔÑÊAEÂÄÂÇÏÞØ [23,24], (Ã) ÏÂÅÐËÕÑàÎÇÍÕÓËÚÇÔÍËÌ ÊÑÐAEÑÄÞÌ [20,21], (Ä) ÔÒÇÍÕÓÑÔÍÑÒËâ ÑAEËÐÑÚÐÞØ ÏÑÎÇÍÖÎ [25]. ³ÍËÓÏËÑÐÞ âÄÎâáÕÔâ ÏÐÑÅÑÑÃÇÜÂáÜËÏË ÑÃÝÇÍÕÂ-ÏË AEÎâ ËÔÒÑÎßÊÑÄÂÐËâ Ä ÖÔÕÓÑÌÔÕÄÂØ ÏÂÅÐËÕÐÑÌ ÒÂÏâÕË [64].°ÕÚÂÔÕË àÕÑ ÑÃÖÔÎÑÄÎÇÐÑ ÐÂÎËÚËÇÏ Ö ÔÍËÓÏËÑÐÑÄ ÐÇÑÃÞÚÐÞØ ÕÓÂÐÔÒÑÓÕÐÞØ ÔÄÑÌÔÕÄ.´ÑÒÑÎÑÅËÚÇÔÍË ÐÇ-ÕÓËÄËÂÎßÐÑÇ ÓÂÔÒÓÇAEÇÎÇÐËÇ ÄÇÍÕÑÓÂ ÐÂÏÂÅÐËÚÇÐÐÑÔÕË ÒÓËÄÑAEËÕ Í ÕÑÏÖ, ÚÕÑ àÎÇÍÕÓÑÐ, AEÄËÉÖÜËÌÔâ ÔÍÄÑÊß ÔÍËÓÏËÑÐ, ÒÓËÑÃÓÇÕÂÇÕ ×ÂÊÖ ¢ÇÓÓË Ë ËÔÒÞÕÞÄÂÇÕ AEÇÌ-ÔÕÄËÇ à××ÇÍÕËÄÐÞØ àÎÇÍÕÓËÚÇÔÍÑÅÑ Ë ÏÂÅÐËÕÐÑÅÑ ÒÑÎÇÌ [65].…”

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Micromagnetism and topologic defects in magnetoelectric media

Pyatakov¹,

Сергеев²,

Николаева³

et al. 2015

Успехи физических наук

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Micromagnetism and topologic defects in magnetoelectric media This paper brieêy reviews research into magnetoelectric materials and multiferroics as domain-structured media. The review is focused on magnetoelectric phenomena in epitaxial iron garnet élms (electrically induced displacement and tilting of domain boundaries) as a striking example of magnetoelectricity in micromagnetism. The paper also considers the effect of an electric éeld on other topological defects in magnetically ordered media, including Bloch lines and Bloch points at domain boundaries, magnetic vortices, and skyrmions.

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mentioning

confidence: 99%

“…Electromagneto-optical effects on local areas of a ferrite-garnet film revealed that effect is vanishingly small in a homogeneously magnetized film but it increases drastically in the vicinity of domain walls. This effect was attributed to "breathing" of domain wall in electric field providing indirect evidence for the influence of electric field on micromagnetic structure [17].In this Letter we report on the direct magnetooptical observation of a new manifestation of the magnetoelectric effect, namely, the electric-field-control displacement of domain walls in ferrite garnet films, that is of interest from the fundamental point of view and opens up new possibilities for the development of multipurpose spintronic and magnetophotonic devices on a single material platform.In our experiments we used the 9.7-μm-thick epitaxial (BiLu) 3 (FeGa) 5 O 12 ferrite garnet films grown on a Gd 3 Ga 5 O 12 substrate with the (210) crystallographic orientation. The substrate thickness was about 0.5 mm.…”

mentioning

confidence: 99%

Magnetoelectric control of domain walls in a ferrite garnet film

et al. 2007

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The effect of magnetic domain boundaries displacement induced by electric field is observed in epitaxial ferrite garnet films (on substrates with the (210) crystallographic orientation). The effect is odd with respect to the electric field (the direction of wall displacement changes with the polarity of the voltage) and even with respect to the magnetization in domains. The inhomogeneous magnetoelectric interaction as a possible mechanism of the effect is proposed. DOI: 10.1134/S0021364007140093The last few years marked the great progress in the field of magnetoelectric materials [1][2][3]. The newly discovered ferroelectricity induced by spiral magnetic ordering [3][4][5][6][7] and early discovered inverse effects of electrically induced spin modulation [8-10] not only provide a deeper insight into the mechanisms of magnetoelectric coupling (the so-called inhomogeneous magnetoelectric interaction [9][10][11]) but also map out the route for electric control of micromagnetic structure in solids, the possibility predicted in 1980-ies [11] and still not realized.The best candidates for the specific character of micromagnetism in magnetoelectric materials are thin films of ferrite garnets. From the one hand they are classical object to study micromagnetism, [12][13][14][15] from the other hand they exhibit a magnetoelectric effect that is an order of magnitude greater than the corresponding effect in the classical Cr 2 O 3 magnetoelectric [16]. Electromagneto-optical effects on local areas of a ferrite-garnet film revealed that effect is vanishingly small in a homogeneously magnetized film but it increases drastically in the vicinity of domain walls. This effect was attributed to "breathing" of domain wall in electric field providing indirect evidence for the influence of electric field on micromagnetic structure [17].In this Letter we report on the direct magnetooptical observation of a new manifestation of the magnetoelectric effect, namely, the electric-field-control displacement of domain walls in ferrite garnet films, that is of interest from the fundamental point of view and opens up new possibilities for the development of multipurpose spintronic and magnetophotonic devices on a single material platform.In our experiments we used the 9.7-μm-thick epitaxial (BiLu) 3 (FeGa) 5 O 12 ferrite garnet films grown on a Gd 3 Ga 5 O 12 substrate with the (210) crystallographic orientation. The substrate thickness was about 0.5 mm. The period of the strip domain structure was 34.5μm, and the saturation magnetization was 4πMs= 53.5G. To produce a high-strength electric field in the dielectric ferrite garnet film, we used a 50μm-diameter copper wire with a pointed tip, which

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Electromagneto-optical effects on local areas of a ferrite-garnet film

Cited by 41 publications

References 10 publications

Electric field control of micromagnetic structure

Electric field control of micromagnetic structure

Micromagnetism and topologic defects in magnetoelectric media

Magnetoelectric control of domain walls in a ferrite garnet film

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