About: Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces

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About: Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1039/c3tc00952a
Description	We report on a new magneto-plasmonic material consisting of 1 nm thick ferromagnetic nanosheets and Au nanoparticles. The magnetooptical (MO) Kerr spectra of Ti0.8Co0.2O2 nanosheets near Au surfaces showed a gigantic MO response (similar to 10(6) deg cm(-1)) in the visible wavelength region (380-600 nm), not present in Ti0.8Co0.2O2 nanosheets on a bare glass substrate. The observed peaks correspond to intrinsic d-d* electronic transitions in Ti0.8Co0.2O2 and are consistent with the near-field enhancement of the MO response resulting from the spectral overlap of the surface-plasmon-resonance (SPR) in the Au surface with the electronic transitions in Ti0.8Co0.2O2. Similar SPR effects were also achieved in ferromagnetic nanosheet/Au with different compositions and with different separation distances (<5 nm). This demonstration of SPR-enhanced magneto-optics in the ferromagnetic/plasmonic nanosystem may enable designing of nanoarchitectures for miniaturized high-performance MO devices and for remote sensing and imaging of magnetic fields. We report on a new magneto-plasmonic material consisting of 1 nm thick ferromagnetic nanosheets and Au nanoparticles. The magnetooptical (MO) Kerr spectra of Ti0.8Co0.2O2 nanosheets near Au surfaces showed a gigantic MO response (similar to 10(6) deg cm(-1)) in the visible wavelength region (380-600 nm), not present in Ti0.8Co0.2O2 nanosheets on a bare glass substrate. The observed peaks correspond to intrinsic d-d* electronic transitions in Ti0.8Co0.2O2 and are consistent with the near-field enhancement of the MO response resulting from the spectral overlap of the surface-plasmon-resonance (SPR) in the Au surface with the electronic transitions in Ti0.8Co0.2O2. Similar SPR effects were also achieved in ferromagnetic nanosheet/Au with different compositions and with different separation distances (<5 nm). This demonstration of SPR-enhanced magneto-optics in the ferromagnetic/plasmonic nanosystem may enable designing of nanoarchitectures for miniaturized high-performance MO devices and for remote sensing and imaging of magnetic fields. (en)
Title	Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces (en)
skos:prefLabel	Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces Gigantic plasmon resonance effects on magneto-optical activity of molecularly thin ferromagnets near gold surfaces (en)
skos:notation	RIV/00216208:11320/13:10189347!RIV14-MSM-11320___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	14
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Hajduková-Šmídová, Natália
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	76608
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/13:10189347
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	fe3o4; optics; rotation; spectra; nanoparticles; composite films; titania nanosheets; enhanced raman-scattering (en)
http://linked.open.../riv/klicoveSlovo	optics rotation nanoparticles spectra composite films enhanced raman-scattering fe3o4 titania nanosheets
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[29675DAD3EBC]
http://linked.open...i/riv/nazevZdroje	JOURNAL OF MATERIALS CHEMISTRY C
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Osada, Minoru Akatsuka, Kosho Hajduková-Šmídová, Natália Sasaki, Takayoshi Yoguchi, Satoshi
http://linked.open...ain/vavai/riv/wos	000316121100002
issn	2050-7526
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1039/c3tc00952a
http://localhost/t...ganizacniJednotka	11320

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