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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F13%3A10189347%21RIV14-MSM-11320___
rdf:type
n6:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1039/c3tc00952a
dcterms: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.
dcterms: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
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
skos:notation
RIV/00216208:11320/13:10189347!RIV14-MSM-11320___
n6:predkladatel
n12:orjk%3A11320
n4:aktivita
n16:I
n4:aktivity
I
n4:cisloPeriodika
14
n4:dodaniDat
n14:2014
n4:domaciTvurceVysledku
n10:1787667
n4:druhVysledku
n13:J
n4:duvernostUdaju
n19:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
76608
n4:idVysledku
RIV/00216208:11320/13:10189347
n4:jazykVysledku
n8:eng
n4:klicovaSlova
fe3o4; optics; rotation; spectra; nanoparticles; composite films; titania nanosheets; enhanced raman-scattering
n4:klicoveSlovo
n9:titania%20nanosheets n9:spectra n9:rotation n9:composite%20films n9:fe3o4 n9:nanoparticles n9:enhanced%20raman-scattering n9:optics
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[29675DAD3EBC]
n4:nazevZdroje
JOURNAL OF MATERIALS CHEMISTRY C
n4:obor
n17:BO
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
5
n4:rokUplatneniVysledku
n14:2013
n4:svazekPeriodika
1
n4:tvurceVysledku
Yoguchi, Satoshi Akatsuka, Kosho Hajduková-Šmídová, Natália Sasaki, Takayoshi Osada, Minoru
n4:wos
000316121100002
s:issn
2050-7526
s:numberOfPages
5
n15:doi
10.1039/c3tc00952a
n5:organizacniJednotka
11320