Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter

Abstract Nowadays, spintronics considers magnetic domain walls as a kind of nanodeviсe that demands for switching much less energy in comparison to homogeneous process. We propose and demonstrate a new concept for the light control via electric field applied locally to a magnetic domain wall playing...

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Autores principales:	Nikolai E. Khokhlov, Anastasiya E. Khramova, Elena P. Nikolaeva, Tatyana B. Kosykh, Alexey V. Nikolaev, Anatoly K. Zvezdin, Alexander P. Pyatakov, Vladimir I. Belotelov
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d4d5ad6db0c24c75947db816a3cb1bf7
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spelling	oai:doaj.org-article:d4d5ad6db0c24c75947db816a3cb1bf72021-12-02T16:06:16ZElectric-field-driven magnetic domain wall as a microscale magneto-optical shutter10.1038/s41598-017-00365-82045-2322https://doaj.org/article/d4d5ad6db0c24c75947db816a3cb1bf72017-03-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-00365-8https://doaj.org/toc/2045-2322Abstract Nowadays, spintronics considers magnetic domain walls as a kind of nanodeviсe that demands for switching much less energy in comparison to homogeneous process. We propose and demonstrate a new concept for the light control via electric field applied locally to a magnetic domain wall playing the role of nanodevice. In detail, we charged a 15-μm-thick metallic tip to generate strong non-uniform electric field in the vicinity of the domain wall in the iron garnet film. The electric field influences the domain wall due to flexomagnetoelectric effect and causes the domain wall shift. The resulting displacement of the domain wall is up to 1/3 of domain width and allows to demonstrate a novel type of the electrically controlled magneto-optical shutter. Polarized laser beam focused on the electric-field-driven domain wall was used to demonstrate the concept of a microscale Faraday modulator. We obtained different regimes of the light modulation – linear, nonlinear and tri-stable – for the same domain wall with corresponding controllable displacement features. Such variability to control of domain wall’s displacement with spatial scale of about 10 μm makes the proposed concept very promising for nanophotonics and spintronics.Nikolai E. KhokhlovAnastasiya E. KhramovaElena P. NikolaevaTatyana B. KosykhAlexey V. NikolaevAnatoly K. ZvezdinAlexander P. PyatakovVladimir I. BelotelovNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nikolai E. Khokhlov Anastasiya E. Khramova Elena P. Nikolaeva Tatyana B. Kosykh Alexey V. Nikolaev Anatoly K. Zvezdin Alexander P. Pyatakov Vladimir I. Belotelov Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
description	Abstract Nowadays, spintronics considers magnetic domain walls as a kind of nanodeviсe that demands for switching much less energy in comparison to homogeneous process. We propose and demonstrate a new concept for the light control via electric field applied locally to a magnetic domain wall playing the role of nanodevice. In detail, we charged a 15-μm-thick metallic tip to generate strong non-uniform electric field in the vicinity of the domain wall in the iron garnet film. The electric field influences the domain wall due to flexomagnetoelectric effect and causes the domain wall shift. The resulting displacement of the domain wall is up to 1/3 of domain width and allows to demonstrate a novel type of the electrically controlled magneto-optical shutter. Polarized laser beam focused on the electric-field-driven domain wall was used to demonstrate the concept of a microscale Faraday modulator. We obtained different regimes of the light modulation – linear, nonlinear and tri-stable – for the same domain wall with corresponding controllable displacement features. Such variability to control of domain wall’s displacement with spatial scale of about 10 μm makes the proposed concept very promising for nanophotonics and spintronics.
format	article
author	Nikolai E. Khokhlov Anastasiya E. Khramova Elena P. Nikolaeva Tatyana B. Kosykh Alexey V. Nikolaev Anatoly K. Zvezdin Alexander P. Pyatakov Vladimir I. Belotelov
author_facet	Nikolai E. Khokhlov Anastasiya E. Khramova Elena P. Nikolaeva Tatyana B. Kosykh Alexey V. Nikolaev Anatoly K. Zvezdin Alexander P. Pyatakov Vladimir I. Belotelov
author_sort	Nikolai E. Khokhlov
title	Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
title_short	Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
title_full	Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
title_fullStr	Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
title_full_unstemmed	Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
title_sort	electric-field-driven magnetic domain wall as a microscale magneto-optical shutter
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/d4d5ad6db0c24c75947db816a3cb1bf7
work_keys_str_mv	AT nikolaiekhokhlov electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT anastasiyaekhramova electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT elenapnikolaeva electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT tatyanabkosykh electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT alexeyvnikolaev electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT anatolykzvezdin electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT alexanderppyatakov electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter AT vladimiribelotelov electricfielddrivenmagneticdomainwallasamicroscalemagnetoopticalshutter
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Electric-field-driven magnetic domain wall as a microscale magneto-optical shutter

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