| 摘要 |
A process for the preparation of a chalcogenide alloy which comprises the evaporation of a mixture of a chalcogenide alloy and a metal oxide. Also, there is disclosed a process for controlling the fractionation of chalcogenide alloys which comprises providing a mixture of chalcogenide alloy, and a metal oxide; and subsequently subjecting the resulting mixture to evaporation; and a process for controlling the fractionation of selenium alloys which comprises providing a selenium alloy; admixing therewith a metal oxide; and subsequently subjecting the resulting mixture to evaporation.
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