Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films

Abstract Magnetoplasmonics, combining magnetic and plasmonic functions, has attracted increasing attention owing to its unique magnetic and optical properties in various nano-architectures. In this work, Ag, CoFeB and ITO layers are fabricated on anodic aluminum oxide (AAO) porous films to form hybr...

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Autores principales:	Weiwei Zhang, Jianjun Li, Xiaokun Ding, Philippe Pernod, Nicolas Tiercelin, Yujun Song
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/87f7b917a3a346b082ce663489c07e69
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spelling	oai:doaj.org-article:87f7b917a3a346b082ce663489c07e692021-12-02T15:18:52ZTunable Magneto-Optical Kerr Effects of Nanoporous Thin Films10.1038/s41598-017-03241-72045-2322https://doaj.org/article/87f7b917a3a346b082ce663489c07e692017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03241-7https://doaj.org/toc/2045-2322Abstract Magnetoplasmonics, combining magnetic and plasmonic functions, has attracted increasing attention owing to its unique magnetic and optical properties in various nano-architectures. In this work, Ag, CoFeB and ITO layers are fabricated on anodic aluminum oxide (AAO) porous films to form hybrid multi-layered nanoporous thin films by magnetron sputtering deposition process. The designed nanostructure supports localized surface plasmon resonance (LSPR) and tunable magneto-optical (MO) activity, namely, the sign inversion, which can be controlled by AAO porous film geometry (pore diameter and inter-pore spacing) flexibly. The physical mechanism of this special MO phenomena is further analyzed and discussed by the correlation of Kerr rotation and electronic oscillations controlled by the surface plasmon resonance that is related to the nanoporous structure.Weiwei ZhangJianjun LiXiaokun DingPhilippe PernodNicolas TiercelinYujun SongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Weiwei Zhang Jianjun Li Xiaokun Ding Philippe Pernod Nicolas Tiercelin Yujun Song Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
description	Abstract Magnetoplasmonics, combining magnetic and plasmonic functions, has attracted increasing attention owing to its unique magnetic and optical properties in various nano-architectures. In this work, Ag, CoFeB and ITO layers are fabricated on anodic aluminum oxide (AAO) porous films to form hybrid multi-layered nanoporous thin films by magnetron sputtering deposition process. The designed nanostructure supports localized surface plasmon resonance (LSPR) and tunable magneto-optical (MO) activity, namely, the sign inversion, which can be controlled by AAO porous film geometry (pore diameter and inter-pore spacing) flexibly. The physical mechanism of this special MO phenomena is further analyzed and discussed by the correlation of Kerr rotation and electronic oscillations controlled by the surface plasmon resonance that is related to the nanoporous structure.
format	article
author	Weiwei Zhang Jianjun Li Xiaokun Ding Philippe Pernod Nicolas Tiercelin Yujun Song
author_facet	Weiwei Zhang Jianjun Li Xiaokun Ding Philippe Pernod Nicolas Tiercelin Yujun Song
author_sort	Weiwei Zhang
title	Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
title_short	Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
title_full	Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
title_fullStr	Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
title_full_unstemmed	Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films
title_sort	tunable magneto-optical kerr effects of nanoporous thin films
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/87f7b917a3a346b082ce663489c07e69
work_keys_str_mv	AT weiweizhang tunablemagnetoopticalkerreffectsofnanoporousthinfilms AT jianjunli tunablemagnetoopticalkerreffectsofnanoporousthinfilms AT xiaokunding tunablemagnetoopticalkerreffectsofnanoporousthinfilms AT philippepernod tunablemagnetoopticalkerreffectsofnanoporousthinfilms AT nicolastiercelin tunablemagnetoopticalkerreffectsofnanoporousthinfilms AT yujunsong tunablemagnetoopticalkerreffectsofnanoporousthinfilms
_version_	1718387457384251392

Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films

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