Abstract
Using the template synthesis method, nanowires (NWs) of various types are prepared from pure cobalt, an alloy of cobalt with copper, and layered structures comprised of alternating cobalt layers of various thicknesses and copper interlayers. Using the method of nuclear magnetic resonance (NMR) on 59Co nuclei, structural features of the arrays have been investigated. It is established that fcc and hcp Co phases are present in single-component NWs; the addition of copper ions to the electrolyte leads to almost complete disappearance of the hcp Co phase in the NW. Parameters that characterize the structure of interlayer boundaries of layered NWs with different layer thicknesses are determined.
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ACKNOWLEDGMENTS
The authors are grateful to P.Yu. Apel’ (Joint Institute of Nuclear Research, Dubna, Russia) for providing samples of track membranes and to I.M. Doludenko (Institute of Crystallography, Russian Academy of Sciences, Moscow, Russia) for obtaining the SEM image.
Funding
The NMR study results were obtained within the framework of State Assignment from the Ministry of Education and Science of Russia (topic Function, no. AAAA-A19-119012990095-0). The synthesis and microscopy of NWs were carried out within the framework of State Assignment for Federal Research Center Crystallography and Photonics.
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Translated by O. Kadkin
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Chuprakov, S.A., Blinov, I.V., Zagorskii, D.L. et al. NMR Study of Cobalt-Containing Nanowires of Various Types. Phys. Metals Metallogr. 122, 869–875 (2021). https://doi.org/10.1134/S0031918X21090039
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DOI: https://doi.org/10.1134/S0031918X21090039