FIELD: materials science.
SUBSTANCE: used in the manufacture of electrodes for rechargeable lithium batteries, semiconductor layers in devices and integrated circuits and photoconverters. First, a crystallographically oriented plate of single-crystal germanium is prepared by cutting, grinding and polishing. The plate is then thermally etched at a temperature of 600 °C under low vacuum conditions of 10-5 Pa for 20 hours at a temperature gradient of 2 °C/cm.
EFFECT: formed porous structure on the surface of single-crystalline germanium has a given geometry and is free from germanium oxide.
1 cl, 3 dwg
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