新型单轴压力电池用于Heusler ni2mnsn基合金的磁化研究

IF 1.2 4区物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY High Pressure Research Pub Date : 2023-01-02 DOI:10.1080/08957959.2023.2171792

J. Kamarád, J. Kaštil, M. Míšek, Z. Arnold

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引用次数: 0

摘要

摘要:设计了一种多用途的非磁性单轴压力传感器，用于SQUID磁强计的磁性测量。采用先进的微型部件加工技术，制作了一种新型的内挤压模组，该内挤压模组可在垂直于外磁场的方向上对样品施加3 kN的力。通过研究Heusler非化学计量Ni2MnSn合金在单轴压缩下的磁性行为，验证了电池的正确运行。讨论了单轴压缩对合金奥氏体和马氏体磁化的可逆影响之间意想不到的显著差异。将单轴压缩效应与静水压力对合金磁化与组织转变耦合的影响进行了比较。

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New uniaxial pressure cell used in a study of magnetization of the Heusler Ni2MnSn-based alloy

ABSTRACT A versatile type of non-magnetic uniaxial pressure cell has been designed for magnetic measurements in SQUID magnetometer. An advanced technology of machining of miniature parts of the cell was used to make new type of an internal squeezer module, where a sample can be compressed by force up to 3 kN in direction perpendicular to external magnetic field. A correct operation of the cell was tested by study of magnetic behaviour of the Heusler off-stoichiometric Ni2MnSn alloy under uniaxial compression. An unexpected significant difference between reversible effects of uniaxial compression on magnetization of the austenite and martensite phases of the alloy is discussed. The uniaxial compression effects are compared with the effects of hydrostatic pressure on a coupling between magnetization and structural transformation of the alloy.

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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.