Reproduction of material from the journal in any form requires written permission of the publisher.
Teachers, students and researchers can individually use the materials on Physics-Uspekhi website for noncommercial use in a teaching or research activities.
Оригинал: Идлис Б Г «Физика и технология субмикронных структур» УФН 159 188–189 (1989); DOI: 10.3367/UFNr.0159.198909j.0188