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Vector MO magnetometry for mapping microwave currents

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F18%3A10387930" target="_blank" >RIV/00216208:11320/18:10387930 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1063/1.5007434" target="_blank" >https://doi.org/10.1063/1.5007434</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1063/1.5007434" target="_blank" >10.1063/1.5007434</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Vector MO magnetometry for mapping microwave currents

  • Original language description

    Magneto-optic (MO) effects in magnetic multilayers (MML) can be employed in non-invasive 2D mapping of microwave (mw) radiation on the surface of semiconductor chips. A typical sensor configuration consists of Fe nanolayers sandwiched with dielectrics on a thin Si substrate transparent to mw radiation. To extend the observation bandwidth, Delta f, up to 100 GHz range the sensor works at ferromagnetic resonance (FMR) frequency in applied magnetic flux density, B-appl. The mw currents excite the precession of magnetization, M, in magnetic nanolayers proportional to their amplitude. The MO component reflected on the sensor surface is proportional to the amplitude of M component, M-perpendicular to. The laser source operates at the wavelength of 410 nm. Its plane of incidence is oriented perpendicular to the M-perpendicular to plane. M-perpendicular to oscillates between polar and transverse configurations. A substantial improvement of MO figure of merit takes place in aperiodic MML. More favorable Delta f vs. B-appl dependence and MO response can potentially be achieved in MML imbedding hexagonal ferrite or Co nanolayers with in-plane magnetic anisotropy. (C) 2018 Author(s).

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2018

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    AIP Advances

  • ISSN

    2158-3226

  • e-ISSN

  • Volume of the periodical

    8

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

  • UT code for WoS article

    000433954000409

  • EID of the result in the Scopus database

    2-s2.0-85041447394