Surface Morphology and Structure of Double-Phase Magnetic Alkali Borosilicate Glasses


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Abstract

The surface morphology of double-phase magnetic alkali borosilicate glasses of four types obtained by induction melting is studied by the methods of atomic-force and scanning electron microscopy. The distribution of elements over the surface and the elemental composition of the glasses are determined. It is shown that a dendritic system of interrelated channels required for formation of porous matrixes with controlled mean pore diameter may be obtained in these objects depending on the heat treatment mode.

About the authors

N. V. Andreeva

Peter the Great St. Petersburg Polytechnic University

Email: alex.nabereznov@mail.ioffe.ru
Russian Federation, St. Petersburg

A. A. Naberezhnov

Peter the Great St. Petersburg Polytechnic University; A. f. Ioffe Physicotechnical Institute of the Russian Academy of Sciences

Author for correspondence.
Email: alex.nabereznov@mail.ioffe.ru
Russian Federation, St. Petersburg; St. Petersburg

M. V. Tomkovich

A. f. Ioffe Physicotechnical Institute of the Russian Academy of Sciences

Email: alex.nabereznov@mail.ioffe.ru
Russian Federation, St. Petersburg

B. Nacke

Institute of Electrotechnology, Leibniz University of Hannover

Email: alex.nabereznov@mail.ioffe.ru
Germany, Hannover

V. Kichigin

Institute of Electrotechnology, Leibniz University of Hannover

Email: alex.nabereznov@mail.ioffe.ru
Germany, Hannover

A. I. Rudskoy

Peter the Great St. Petersburg Polytechnic University

Email: alex.nabereznov@mail.ioffe.ru
Russian Federation, St. Petersburg

A. V. Filimonov

Peter the Great St. Petersburg Polytechnic University

Email: alex.nabereznov@mail.ioffe.ru
Russian Federation, St. Petersburg

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