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Stoichiometry of tetragonal and hexagonal FexSe: phase relations
Superconductor Science and Technology ( IF 3.7 ) Pub Date : 2020-05-18 , DOI: 10.1088/1361-6668/ab89ec
Mahboobeh Shahbazi , Henrietta E Cathey , Ian D R Mackinnon

Precise compositional analyses at spatial resolution 690 oC with annealing at 420 oC for ~24 hours. We define a modified phase diagram that includes this two phase field with β-FexSe and δ-FexSe for 1.02 < x < 0.90 and a second two phase field with β-FexSe and α-Fe for 1.08 < x < 1.02. This revised phase diagram for Fe:Se ~1.0 suggests that the peretectic transition nominally identified at x = 1.04 is not evident.

中文翻译:

四方和六方铁的化学计量XSe:相位关系

在 690 oC 空间分辨率下进行精确的成分分析,并在 420 oC 下退火约 24 小时。我们定义了一个修改后的相图,其中包括 β-FexSe 和 δ-FexSe 的两相场(1.02 < x < 0.90)和第二个两相场(1.08 < x < 1.02 时,β-FexSe 和 α-Fe)。这个 Fe:Se ~1.0 的修订相图表明,名义上在 x = 1.04 处识别的过晶转变并不明显。
更新日期:2020-05-18
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