Year: 2003
Type: article
Abstract: Synthesis of AgSbTe2/Ag2Te composite by mechanical alloying from elemental powders is described. Mechanical alloying was done by vibratory ball milling with a ball-to-powder ratio of 100:1. The studied composition range was Sb2Te3-xmol%Ag2Te (x=43-70); the (β+Ag2Te) region in the Sb2Te3-Ag2Te phase diagram. XRD analysis showed that after sufficient milling β compound AgSbTe2 was found to be formed for x=43. The composites of various compositions were formed depending on the initial mixing ratios. The sintered compacts of the mechanically alloyed powders had homogeneous composite microstructures and exhibited the increase in the connectivity of the second phase Ag2Te in the AgSbTe2 matrix with increase in the Ag2Te content.
DOI: 10.2497/jjspm.50.948
Authors: Hiroshi Okamura, Ryuzo Watanabe
Institution: Tohoku University
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W1990479160