高压中子衍射实验研究金刚石砧池用零基合金衬垫

IF 1.2 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY

High Pressure Research Pub Date : 2022-10-02 DOI:10.1080/08957959.2022.2144289

S. Machida, S. Nakano

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引用次数: 0

摘要

摘要:为了研究一种适用于金刚石砧池(dac)高压中子衍射测量的零基合金衬垫，采用TiZr和Mn-Cu-Ni-Fe (M2052)合金作为衬垫进行了高压实验。M2052垫片分别使用1.5 mm和1.0 mm凹槽尺寸的平面顶砧保持至少20和43 GPa，而TiZr垫片在1.5 mm凹槽尺寸的范围内保持15-20 GPa。此外，在高压中子衍射测量中，M2052衬垫表现为零基体合金，并获得了令人满意的衍射曲线，没有衍射峰。M2052衬垫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。

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

ABSTRACT 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.

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来源期刊

High Pressure Research 物理-物理：综合

CiteScore

3.80

自引率

5.00%

发文量

审稿时长

2 months

期刊介绍： High Pressure Research is the leading journal for research in high pressure science and technology. The journal publishes original full-length papers and short research reports of new developments, as well as timely review articles. It provides an important forum for the presentation of experimental and theoretical advances in high pressure science in subjects such as: condensed matter physics and chemistry geophysics and planetary physics synthesis of new materials chemical kinetics under high pressure industrial applications shockwaves in condensed matter instrumentation and techniques the application of pressure to food / biomaterials Theoretical papers of exceptionally high quality are also accepted.