Tunable Density of FeSe$_{1-x}$ Te$_x$ Targets With High Pressure Sintering
IEEE Transactions on Applied Superconductivity(2022)
摘要
In this article, we report a method for preparing high quality FeSe
$_{1-x}$
Te
$_x$
targets with tunable density using a high-pressure sintering process. The phase formation of the target is checked by X-ray diffraction. The targets show a single phase and can be indexed to a tetragonal structure with the space group of P4/nmm. Compared with the target prepared by the normally used solid-state reaction method, the density has been dramatically increased to 92.10% of the theoretical density. We also developed a more effective method of adjusting the density of the FeSe
$_{1-x}$
Te
$_x$
targets by changing the sintering temperature at a constant pressure. The preparation method of our FeSe
$_{1-x}$
Te
$_x$
target promises to provide an opportunity for the preparation of long coated conductors.
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关键词
Density,FeSeTe,hot press,solid-state reaction,target
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