Investigation of null-matrix alloy gaskets for a diamond-anvil-cell on high pressure neutron diffraction experiments

Investigation of null-matrix alloy gaskets for a diamond-anvil-cell on high pressure neutron diffraction experiments
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高压中子衍射实验中金刚石砧池零基体合金垫片的研究

DOI:
10.1080/08957959.2022.2144289
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发表时间:
2022
影响因子:
2
通讯作者:
Satoshi Nakano
Satoshi Nakano
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Shinichi Machida;Satoshi Nakano

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为了研究一种适用于金刚石对顶砧(DAC)高压中子衍射测量的零基体合金垫片,采用TiZr和Mn-Cu-Ni-Fe(M2052)合金作为垫片进行了高压实验。M2052垫圈分别使用1.5 mm和1.0 mm底脚尺寸的平面砧保持至少高达20和43 GPa,而TiZr垫圈在15-20 GPa范围内使用1.5 mm底脚尺寸时断裂。    此外,在高压中子衍射测量中,M2052垫片表现为零基体合金,并且我们获得了令人满意的衍射轮廓,没有来自垫片的衍射峰。M2052垫圈的这一发现将导致在中子实验中使用DAC进行更准确的结构分析。
To investigate a gasket of null-matrix alloys suitable for high pressure neutron diffraction measurements using diamond-anvil-cells (DACs), high pressure experiments were conducted with TiZr and Mn-Cu-Ni-Fe (M2052) alloys as gaskets. The M2052 gasket was retained at least up to 20 and 43 GPa using the flat surface anvils of 1.5 and 1.0 mm culet sizes, respectively, whereas the TiZr gasket was broken at a range of 15–20 GPa with a 1.5 mm culet size. Furthermore, the M2052 gasket behaved as a null-matrix alloy in high pressure neutron diffraction measurements, and we obtained a satisfactory diffraction profile with no diffraction peaks from the gasket. This finding of the M2052 gasket will lead to a more accurate structural analysis in neutron experiments using the DAC.
可压缩垫片和布里奇曼砧式高压设备的注意事项
DOI: --
发表时间: 1972
期刊:
影响因子: --
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