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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Boev N. M., Gorchakovsky A. A., Galeev R. G.
Заглавие : Inspection probes of a ferromagnetic resonance scanning spectrometer
Место публикации : Instrum. Exp. Tech. - 2021. - Vol. 64, Is. 2. - P.277-284. - ISSN 00204412 (ISSN), DOI 10.1134/S0020441221010218
Примечания : Cited References: 24. - This study was supported by the Ministry of Science and Higher Education of the Russian Federation as part of a complex project on the development of high-technology production facilities (agreement no. 075-11-2019-054, November 22, 2019)
Аннотация: The design of inspection probes for a scanning ferromagnetic resonance spectrometer, which are designed for recording the absorption spectra of electromagnetic energy by local areas of thin magnetic films, is described. The degree of locality is determined by the diameter of the measuring hole of the probe in the range of 0.1–1.0 mm. The sensitivity of the device is significantly increased due to the miniaturization of the heterogeneous measuring resonator and its comparatively high Q factor. A set of replaceable probes makes it possible to cover the frequency range of 0.1–6.0 GHz, the signal-to-noise ratio for a probe with a hole diameter of 0.8 mm, which was measured on a permalloy film with a thickness of 5 nm, is at least 20 dB.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Vtyurin A. N., Goryainov S. V., Krylov A. S., Krylova S. N., Shefer A. D., Zamkova N. G., Zinenko V. I.
Заглавие : Raman spectra and pressure-induced lattice instabilities in RbMnCl3 crystal
Разночтения заглавия :авие SCOPUS: Raman spectra and pressure-induced lattice instabilities in RbMnCl 3 crystal
Место публикации : 11th International Conference on Phonon Scattering in Condensed Matter (PHONONS 2004) (JUL 25-30, 2004, St Petersburg, RUSSIA): WILEY-V C H VERLAG GMBH, 2004. - 11th International Conference on Phonon Scattering in Condensed Matter (PHONONS 2004) (JUL 25-30, 2004, St Petersburg, RUSSIA). - P3097-3100. - ISBN 3-527-40588-7, DOI 10.1002/pssc.200405332
Примечания : Cited References: 14
Предметные рубрики: PHASE-TRANSITION
SPECTROSCOPY
Ключевые слова (''Своб.индексиров.''): frequencies--hydrostatic pressure--mathematical models--parameter estimation--raman scattering--spectrometers--stability--ambient conditions--anomalies--lattice instabilities--structural units--rubidium compounds
Аннотация: Raman scattering spectra of the RbMnCl3 crystal have been studied under ambient conditions and under high hydrostatic pressure. The results produced have been interpreted with the ab initio model. The experimental data agree well with the estimated values in the low frequency range and show a slightly worse agreement at higher frequencies. A phase transition from the hexagonal phase to the perovskite phase predicted earlier within the same model was observed under high pressure (above 0.7 GPa) and new transitions to lower symmetry phases were found at higher pressures (1.1 GPa and 5 GPa). (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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