Spectrum of dislocation mobility resonances in NaCl crystals under ultralow magnetic fields in EPR scheme
Dislocation motions are studied in NaCl crystals exposed to an EPR impact under crossed ultralow magnetic fields, the Earth field BEarth ∼ 50 µT, and the AC pumping field B̃(ν) of the amplitude 2.5 µT in the frequency band of 6 kHz to 2.1 MHz. Mean dislocation paths form a spectrum of multiple peaks...
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| Veröffentlicht in: | AIP advances 2024-01, Vol.14 (1), p.015015-015015-14 |
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| creator | Koldaeva, M. V. Alshits, V. I. |
| description | Dislocation motions are studied in NaCl crystals exposed to an EPR impact under crossed ultralow magnetic fields, the Earth field BEarth ∼ 50 µT, and the AC pumping field B̃(ν) of the amplitude 2.5 µT in the frequency band of 6 kHz to 2.1 MHz. Mean dislocation paths form a spectrum of multiple peaks at definite resonance frequencies. Dislocation motions are supposed to be caused by spin-dependent transformation of impurity centers, which, in turn, provide depinning of dislocations and relaxation of their structure. The observed spectrum is attributed to specific features of the hyperfine EPR at the applied field BEarth small as compared with the crystalline local fields Bloc created by nuclei of Cl ligands surrounding the Ca pinning centers. The developed theory well describes peak positions in the observed frequency spectrum. |
| doi_str_mv | 10.1063/5.0177619 |
| format | Article |
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The developed theory well describes peak positions in the observed frequency spectrum.</description><subject>Crystal dislocations</subject><subject>Dislocation mobility</subject><subject>Frequencies</subject><subject>Frequency spectrum</subject><subject>Magnetic fields</subject><issn>2158-3226</issn><issn>2158-3226</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>DOA</sourceid><recordid>eNp9kU1rHDEMhofSQEOaQ_6BoacUNrUtf80xLGkSCG3Jx9n4M_UyM97YHsr--0x3Q-ipukiIR69epK47I_iCYAHf-AUmUgrSf-iOKeFqBZSKj__Un7rTWjd4CdYTrNhxlx62wbUyjyhH5FMdsjMt5QmN2aYhtR0qoebJTC5UlCb0w6wH5MquNjNUNE8-FDQPrZgh_0GjeZ5CSw7FFAa_569-3aPqfocxfO6O4jITTt_ySff0_epxfbO6-3l9u768WzmqoK0kYM-t7JWHHisSmYToGCNKUmo8dpFEa5j1ICLvA-2dlNhKIFFwBUIAnHS3B12fzUZvSxpN2elskt43cnnWpiwmh6AJ9wDMWrAGGANpfBTYq8ANEdYrs2h9OWhtS36ZQ216k-cyLfY17QlwShWWC3V-oFzJtZYQ37cSrP8-RnP99piF_Xpgq0ttf-n_wK8uuIyF</recordid><startdate>20240101</startdate><enddate>20240101</enddate><creator>Koldaeva, M. 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| subjects | Crystal dislocations Dislocation mobility Frequencies Frequency spectrum Magnetic fields |
| title | Spectrum of dislocation mobility resonances in NaCl crystals under ultralow magnetic fields in EPR scheme |
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