INVESTIGATION OF INTERATOMIC INTERACTION IN MULTILAYER NANOSTRUCTURES (Co45Fe45Zr10/a-Si)40 AND (Co45Fe45Zr10/SiO2)32 BY METHODS OF IR SPECTROSCOPY AND SMALL ANGLE DIFFRACTION
Abstract
The aim of this work is to confirm the chemical bonds between the components of multilayer nanostructure (MLNS) by IR spectroscopy, the identification of the IR spectra in the MLNS (Co45Fe45Zr10/a-Si)40 and (Co45Fe45Zr10/SiO2)32 with the same metal layers and various interlayers- amorphous silicon or silicon dioxide and estimation of their thickness by the method of small-angle X-ray diffraction.
The presence of interatomic Co-Fe and Fe-Zr bonds in metallic granules and the bonds with oxygen of metal layers components Fe-O and Co-O and nonmetallic Si-O-Si and Si-O interlayers was confirmed by IR spectroscopy.
Small-angle x-ray diffraction produces reflections of three types (from bilayers, from metallic layers and from interlayers) only in samples with the thickest interlayers. Samples with the thinnest interlayers do not give comparable reflections from metal layers and interlayers due to their mixing with the formation of oxide and silicide phases of d-metals.
ACKNOWLEDGMENTS
The work was financially supported by the Ministry of Education and Science of Russia within the framework of the state task to universities in the field of scientific activity for 2017-2019. Project No. 3.6263.2017 / ВУ
The research results were obtained with equipment of Voronezh State University Centre for Collective Use of Scientific Equipment.
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