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Pregled bibliografske jedinice broj: 935826

Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique

Rakvin, Boris; Carić, Dejana; Kveder Marina
Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique // Journal of magnetic resonance (San Diego, Calif.), 287 (2018), 123-127 doi:10.1016/j.jmr.2018.01.006 (međunarodna recenzija, članak, znanstveni)

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Naslov
Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique

Autori
Rakvin, Boris ; Carić, Dejana ; Kveder Marina

Izvornik
Journal of magnetic resonance (San Diego, Calif.) (1090-7807) 287 (2018); 123-127

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
EPR spectroscopy ; Microwave field strength ; Modulation spectrum ; Amplitude modulation ; EPR Bloch-Siegert shift
(odulation spectrum ; Amplitude modulation ; EPR Bloch-Siegert shift)

Sažetak
The microwave magnetic field strength, B1, in the cavity of a conventional continuous wave electron para- magnetic resonance, CW-EPR, spectrometer was measured by employing modulation sidebands, MS, in the EPR spectrum. MS spectrum in CW-EPR is produced by applying the modulation frequency, xrf, which exceeds the linewidth, dB, given in frequency units. An amplitude- modulated CW-EPR, AM-CW-EPR, was selected as detection method. Theoretical description of AM-CW-EPR spectrum was modified by adding Bloch-Siegert-like shift obtained by taking into account the cumulative effect of the non-resonant interactions between the driving fields and the spin system. This approach enables to enhance the pre- cision of B1 measurement. In order to increase the sensitivity of the method when saturation effects, due to higher intensity of B1, decrease the resolution of AM-CW- EPR spectrum, detection at the second harmonic of CW-EPR has been employed.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
HRZZ-IP-2013-11-1108 - Karakterizacija niskotemperaturne molekulske dinamike sustava s neuređenom rešetkom metodom ESR (DESiRe) (Ilakovac Kveder, Marina, HRZZ - 2013-11) ( CroRIS)

Ustanove:
Institut "Ruđer Bošković", Zagreb

Profili:

Avatar Url Boris Rakvin (autor)

Avatar Url Dejana Carić (autor)

Avatar Url Marina Ilakovac-Kveder (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com

Citiraj ovu publikaciju:

Rakvin, Boris; Carić, Dejana; Kveder Marina
Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique // Journal of magnetic resonance (San Diego, Calif.), 287 (2018), 123-127 doi:10.1016/j.jmr.2018.01.006 (međunarodna recenzija, članak, znanstveni)
Rakvin, B., Carić, D. & Kveder Marina (2018) Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique. Journal of magnetic resonance (San Diego, Calif.), 287, 123-127 doi:10.1016/j.jmr.2018.01.006.
@article{article, author = {Rakvin, Boris and Cari\'{c}, Dejana}, year = {2018}, pages = {123-127}, DOI = {10.1016/j.jmr.2018.01.006}, keywords = {EPR spectroscopy, Microwave field strength, Modulation spectrum, Amplitude modulation, EPR Bloch-Siegert shift}, journal = {Journal of magnetic resonance (San Diego, Calif.)}, doi = {10.1016/j.jmr.2018.01.006}, volume = {287}, issn = {1090-7807}, title = {Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique}, keyword = {EPR spectroscopy, Microwave field strength, Modulation spectrum, Amplitude modulation, EPR Bloch-Siegert shift} }
@article{article, author = {Rakvin, Boris and Cari\'{c}, Dejana}, year = {2018}, pages = {123-127}, DOI = {10.1016/j.jmr.2018.01.006}, keywords = {odulation spectrum, Amplitude modulation, EPR Bloch-Siegert shift}, journal = {Journal of magnetic resonance (San Diego, Calif.)}, doi = {10.1016/j.jmr.2018.01.006}, volume = {287}, issn = {1090-7807}, title = {Enhanced accuracy of the microwave field strength measurement in a CW-EPR by pulsed modulation technique}, keyword = {odulation spectrum, Amplitude modulation, EPR Bloch-Siegert shift} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE

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