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FeCoGdMoB非晶带材的结构、磁热效应及临界行为

Structure, Magnetocaloric Effect and Critical Behavior of the FeCoGdMoB Amorphous Ribbons.

作者信息

Łukiewska Agnieszka, Gębara Piotr

机构信息

Department of Physics, Częstochowa University of Technology, Armii Krajowej 19 Av., 42-201 Czestochowa, Poland.

出版信息

Materials (Basel). 2021 Dec 21;15(1):34. doi: 10.3390/ma15010034.

DOI:10.3390/ma15010034
PMID:35009181
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8746007/
Abstract

The aim of the paper was to study the structure, magnetic properties and critical behavior of the FeCoGdMoB alloy. The X-ray diffractometry and the Mössbauer spectroscopy studies confirmed amorphous structure. The analysis of temperature evolution of the exponent n (ΔS = C·(B)) and the Arrott plots showed the second order phase transition in investigated material. The analysis of critical behavior was carried out in order to reveal the critical exponents and precise T value. The ascertained critical exponents were used to determine the theoretical value of the exponent n, which corresponded well with experimental results.

摘要

本文的目的是研究FeCoGdMoB合金的结构、磁性和临界行为。X射线衍射和穆斯堡尔光谱研究证实了非晶结构。对指数n（ΔS = C·(B)）的温度演化分析和阿罗特图表明所研究材料中存在二级相变。进行临界行为分析以揭示临界指数和精确的T值。确定的临界指数用于确定指数n的理论值，该理论值与实验结果吻合良好。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/5e524311a251/materials-15-00034-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/266f82882ad2/materials-15-00034-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/3dcedce137f9/materials-15-00034-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/7536d94561b2/materials-15-00034-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/7bbaeba27acf/materials-15-00034-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/5b12845d0bcf/materials-15-00034-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/d767e9fb162d/materials-15-00034-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/5e524311a251/materials-15-00034-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/266f82882ad2/materials-15-00034-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/3dcedce137f9/materials-15-00034-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/7536d94561b2/materials-15-00034-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/7bbaeba27acf/materials-15-00034-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/5b12845d0bcf/materials-15-00034-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/d767e9fb162d/materials-15-00034-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1e21/8746007/5e524311a251/materials-15-00034-g007.jpg

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本文引用的文献

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Determination of Phase Transition and Critical Behavior of the As-Cast GdGeSi-(X) Type Alloys (Where X = Ni, Nd and Pr).铸态GdGeSi-(X)型合金（其中X = Ni、Nd和Pr）的相变和临界行为测定
Materials (Basel). 2021 Jan 4;14(1):185. doi: 10.3390/ma14010185.