Ultrafast synthesis of Pb-doped BiCuSeO oxyselenides by high-energy ball milling

TL;DR

This paper demonstrates an ultrafast, room-temperature synthesis method for Pb-doped BiCuSeO oxyselenides using high-energy ball milling, significantly reducing fabrication time compared to traditional techniques.

Contribution

The study introduces a rapid, efficient synthesis process for BiCuSeO oxyselenides that operates at room temperature and under air, unlike previous longer, more complex methods.

Findings

Pure phase BiCuSeO obtained in less than 60 minutes

Synthesis at room temperature and in air

Significantly reduced fabrication time

Abstract

We report on the direct ultrafast synthesis of Pb-doped BiCuSeO oxyselenides by high-energy ball milling. We show that, contrary to the mechanical alloying sintering routes used in the previous reports which require 7 - 13 hours to fabricate the BiCuSeO phase in powder form, this synthesis technique enables us to obtain pure phase materials at room temperature under air with milling time less than 60 minutes.