Journal of Siberian Federal University. Mathematics & Physics / The Study of Co-Cu Heterogeneous Alloy Thin Films by NMR Method

Full text (.pdf)
Issue
Journal of Siberian Federal University. Mathematics & Physics. 2010 3 (1)
Authors
Khalyapin, Dmitriy L.; Maltsev, Vadim K.; Kim, Petr D.; Turpanov, Igor A.; Betenkova, Anna Ya.
Contact information
Khalyapin, Dmitriy L. : Siberian Federal University Kirensky Institute of Physics, SB RAS; Svobodny 79, Krasnoyarsk, 660041, Russia Akademgorodok 50, Krasnoyarsk, 660036, Russia, e-mail: ; Maltsev, Vadim K. : Kirensky Institute of Physics, SB RAS; Akademgorodok 50, Krasnoyarsk, 660036, Russia,; Kim, Petr D. : Kirensky Institute of Physics, SB RAS; Akademgorodok 50, Krasnoyarsk, 660036, Russia,; Turpanov, Igor A. : Kirensky Institute of Physics, SB RAS; Akademgorodok 50, Krasnoyarsk, 660036, Russia,; Betenkova, Anna Ya. : Kirensky Institute of Physics, SB RAS; Akademgorodok 50, Krasnoyarsk, 660036, Russia,
Keywords
nuclear magnetic resonance; Co-Cu heterogeneous alloy; multilayers
Abstract

In the present work we discuss the structure of magnetic layer in magnetron sputtered Co/Cu multilayers with ultrathin magnetic layers ( effective layer thicknesses dCo ≈ 3.5 and 4.5A) obtained by means of 59Co NMR method. In spite of such a small effective thicknesses of sputtered layers it has been found that the NMR spectra are the superposition of two peaks with central frequencies f1=190-196MHz and f2=208- 213MHz which obviously correspond to Co-atoms which have 0 and 1 Cu-atom in the nearest-neighbor shell indicating that cobalt preferably forms clusters with large number of atoms involved.

Pages
70-77
Paper at repository of SibFU
https://elib.sfu-kras.ru/handle/2311/1605