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Optical spectroscopy of sputtered nanometer-thick yttrium iron garnet films

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10316852" target="_blank" >RIV/00216208:11320/15:10316852 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1063/1.4906526" target="_blank" >http://dx.doi.org/10.1063/1.4906526</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1063/1.4906526" target="_blank" >10.1063/1.4906526</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Optical spectroscopy of sputtered nanometer-thick yttrium iron garnet films

  • Original language description

    Nanometer (nm)-thick yttrium iron garnet (Y3Fe5O12, YIG) films present interest for spintronics. This work employs spectral ellipsometry and magneto-optic Kerr effect (MOKE) spectra to characterize nm-thick YIG films grown on single-crystal Gd3Ga5O12 substrates by magnetron sputtering. The thickness (t) of the films ranges between 10 nm and 40 nm. Independent on t, the polar MOKE hysteresis loops saturate in the field of about 1.8 kOe, consistent with the saturation magnetization in bulk YIG (4 pi M-s approximate to 1.75 kG). The MOKE spectrum measured at photon energies between 1.3 eV and 4.5 eV on the 38-nm-thick film agrees with that measured on single-crystal YIG bulk materials. The MOKE spectrum of the 12-nm-thick film still preserves the structure of the bulk YIG but its amplitude at lower photon energies is modified due to the fact that the radiation penetration depth exceeds 20 nm. The t dependence of the MOKE amplitude is consistent with MOKE calculations. The results indicate

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BM - Solid-state physics and magnetism

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA15-21547S" target="_blank" >GA15-21547S: Characterization of magnetic nanostructures with optical techniques</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

  • Name of the periodical

    Journal of Applied Physics

  • ISSN

    0021-8979

  • e-ISSN

  • Volume of the periodical

    117

  • Issue of the periodical within the volume

    17

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    3

  • Pages from-to

  • UT code for WoS article

    000354984100182

  • EID of the result in the Scopus database

    2-s2.0-84923675882