Nonlinear ferromagnetic resonance in micron and sub-micron amorphous wires
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F15%3A00448718" target="_blank" >RIV/68378271:_____/15:00448718 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.12693/APhysPolA.127.359" target="_blank" >http://dx.doi.org/10.12693/APhysPolA.127.359</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.12693/APhysPolA.127.359" target="_blank" >10.12693/APhysPolA.127.359</a>
Alternative languages
Result language
angličtina
Original language name
Nonlinear ferromagnetic resonance in micron and sub-micron amorphous wires
Original language description
Ferromagnetic resonance in glass-coated amorphous microwires FeSiB and CoFeSiB with the diameters varying from 133 nm to 25 m and the glass thickness about 10 m was measured at frequency of 9.5 GHz. Electric polarization of the wire can substantially amplify the microwave magnetic eld on the sample surface. This allows us to achieve the threshold elds for nonlinear behavior with microwave power of only few mW. Above some critical value of incident power a distortion of central part of FMR curves is observed for FeSiB wires. For diameters less than 6 m a series of sharp, nearly equidistant peaks appears with the period H inversely proportional to the wire diameter. The phenomenon is explained by the parametric excitation of dipole-exchange modes via therst order Suhl spin-wave instability and the spin-wave con nement in very thin wires. In the CoFeSiB wires the nonlinear phenomena cannot be achieved even with the maximum power available (about 25 mW.)
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
BM - Solid-state physics and magnetism
OECD FORD branch
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Result continuities
Project
<a href="/en/project/GAP102%2F12%2F2177" target="_blank" >GAP102/12/2177: Nanostructured soft magnetic materials for sensors</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Acta Physica Polonica A, vo. 127, č. 2
ISBN
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ISSN
0587-4246
e-ISSN
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Number of pages
3
Pages from-to
359-361
Publisher name
Polish Academy of Sciences
Place of publication
Warszawa
Event location
Poznań
Event date
Jun 23, 2014
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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