The Effect of Fe Addition on the Curie Temperature and Magnetic Entropy of the Gd[sub.45]Co[sub.50]Al[sub.5] Amorphous Alloy
The new magnetic refrigeration (MR) technology, which uses the magnetocaloric effect (MCE) of materials for refrigeration, has shown apparent advantages over the compression refrigeration of freon and other gases. Therefore, how to obtain materials with excellent magnetic entropy change near room te...
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creator | Li, Luyi Tang, Benzhen Fu, Weijie Lu, Ying Fu, Yunqing Ding, Ding Xia, Lei Yu, Peng |
description | The new magnetic refrigeration (MR) technology, which uses the magnetocaloric effect (MCE) of materials for refrigeration, has shown apparent advantages over the compression refrigeration of freon and other gases. Therefore, how to obtain materials with excellent magnetic entropy change near room temperature is of great significance for the realization of MR. In order to achieve high Tc of a Gd-based amorphous alloy, Gd[sub.45]Co[sub.50]Al[sub.5] amorphous alloy with good room temperature MCE was selected, and a series of Gd[sub.45]Co[sub.50−x]Fe[sub.x]Al[sub.5] (x = 2, 5, 10) amorphous alloys were prepared by adding Fe instead of Co. In this paper, the effect of Fe addition on the Curie temperature, and the magnetic entropy change in the alloys, were studied thoroughly. The results show that the Curie temperature is increased to 281 K by adding 5% Fe elements, which is mainly related to the enhanced 3d-3d interaction of transition elements caused by Fe addition, and the maximum value of magnetic entropy change is 3.24 J/(kg·K) under a field of 5 T. The results are expected to provide guidance for further improving the room temperature MCE of Gd-based amorphous alloys. |
doi_str_mv | 10.3390/ma16134571 |
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Therefore, how to obtain materials with excellent magnetic entropy change near room temperature is of great significance for the realization of MR. In order to achieve high Tc of a Gd-based amorphous alloy, Gd[sub.45]Co[sub.50]Al[sub.5] amorphous alloy with good room temperature MCE was selected, and a series of Gd[sub.45]Co[sub.50−x]Fe[sub.x]Al[sub.5] (x = 2, 5, 10) amorphous alloys were prepared by adding Fe instead of Co. In this paper, the effect of Fe addition on the Curie temperature, and the magnetic entropy change in the alloys, were studied thoroughly. The results show that the Curie temperature is increased to 281 K by adding 5% Fe elements, which is mainly related to the enhanced 3d-3d interaction of transition elements caused by Fe addition, and the maximum value of magnetic entropy change is 3.24 J/(kg·K) under a field of 5 T. The results are expected to provide guidance for further improving the room temperature MCE of Gd-based amorphous alloys.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma16134571</identifier><language>eng</language><publisher>MDPI AG</publisher><subject>Metallic glasses ; Specialty metals industry</subject><ispartof>Materials, 2023-06, Vol.16 (13)</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Li, Luyi</creatorcontrib><creatorcontrib>Tang, Benzhen</creatorcontrib><creatorcontrib>Fu, Weijie</creatorcontrib><creatorcontrib>Lu, Ying</creatorcontrib><creatorcontrib>Fu, Yunqing</creatorcontrib><creatorcontrib>Ding, Ding</creatorcontrib><creatorcontrib>Xia, Lei</creatorcontrib><creatorcontrib>Yu, Peng</creatorcontrib><title>The Effect of Fe Addition on the Curie Temperature and Magnetic Entropy of the Gd[sub.45]Co[sub.50]Al[sub.5] Amorphous Alloy</title><title>Materials</title><description>The new magnetic refrigeration (MR) technology, which uses the magnetocaloric effect (MCE) of materials for refrigeration, has shown apparent advantages over the compression refrigeration of freon and other gases. Therefore, how to obtain materials with excellent magnetic entropy change near room temperature is of great significance for the realization of MR. In order to achieve high Tc of a Gd-based amorphous alloy, Gd[sub.45]Co[sub.50]Al[sub.5] amorphous alloy with good room temperature MCE was selected, and a series of Gd[sub.45]Co[sub.50−x]Fe[sub.x]Al[sub.5] (x = 2, 5, 10) amorphous alloys were prepared by adding Fe instead of Co. In this paper, the effect of Fe addition on the Curie temperature, and the magnetic entropy change in the alloys, were studied thoroughly. The results show that the Curie temperature is increased to 281 K by adding 5% Fe elements, which is mainly related to the enhanced 3d-3d interaction of transition elements caused by Fe addition, and the maximum value of magnetic entropy change is 3.24 J/(kg·K) under a field of 5 T. The results are expected to provide guidance for further improving the room temperature MCE of Gd-based amorphous alloys.</description><subject>Metallic glasses</subject><subject>Specialty metals industry</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqVi8FOwzAQRC1EJSrohS_YH2iIcdLERytK4cItNxQhN163Rokd2c6hEh-PCxy4dneledqZIeSR5hljPH-aJN1RVpQVvSFryvluS3lR3P7jO7IJ4TNPwxitn_mafHUnhFZrHCI4DXsEoZSJxllIF5PZLN4gdDjN6GVcPIK0Ct7k0WI0A7Q2ejefL-VL-kW9h-WQFWXfuB8q816Mv9SDmJyfT24JIMbRnR_ISssx4OZP70m2b7vmdXuUI34Yq130ckircDKDs6hN-ouqrBkv6oqxqwvfIlNbKw</recordid><startdate>20230601</startdate><enddate>20230601</enddate><creator>Li, Luyi</creator><creator>Tang, Benzhen</creator><creator>Fu, Weijie</creator><creator>Lu, Ying</creator><creator>Fu, Yunqing</creator><creator>Ding, Ding</creator><creator>Xia, Lei</creator><creator>Yu, Peng</creator><general>MDPI AG</general><scope/></search><sort><creationdate>20230601</creationdate><title>The Effect of Fe Addition on the Curie Temperature and Magnetic Entropy of the Gd[sub.45]Co[sub.50]Al[sub.5] Amorphous Alloy</title><author>Li, Luyi ; Tang, Benzhen ; Fu, Weijie ; Lu, Ying ; Fu, Yunqing ; Ding, Ding ; Xia, Lei ; Yu, Peng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-gale_infotracacademiconefile_A7583948733</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Metallic glasses</topic><topic>Specialty metals industry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Luyi</creatorcontrib><creatorcontrib>Tang, Benzhen</creatorcontrib><creatorcontrib>Fu, Weijie</creatorcontrib><creatorcontrib>Lu, Ying</creatorcontrib><creatorcontrib>Fu, Yunqing</creatorcontrib><creatorcontrib>Ding, Ding</creatorcontrib><creatorcontrib>Xia, Lei</creatorcontrib><creatorcontrib>Yu, Peng</creatorcontrib><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Luyi</au><au>Tang, Benzhen</au><au>Fu, Weijie</au><au>Lu, Ying</au><au>Fu, Yunqing</au><au>Ding, Ding</au><au>Xia, Lei</au><au>Yu, Peng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Effect of Fe Addition on the Curie Temperature and Magnetic Entropy of the Gd[sub.45]Co[sub.50]Al[sub.5] Amorphous Alloy</atitle><jtitle>Materials</jtitle><date>2023-06-01</date><risdate>2023</risdate><volume>16</volume><issue>13</issue><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>The new magnetic refrigeration (MR) technology, which uses the magnetocaloric effect (MCE) of materials for refrigeration, has shown apparent advantages over the compression refrigeration of freon and other gases. Therefore, how to obtain materials with excellent magnetic entropy change near room temperature is of great significance for the realization of MR. In order to achieve high Tc of a Gd-based amorphous alloy, Gd[sub.45]Co[sub.50]Al[sub.5] amorphous alloy with good room temperature MCE was selected, and a series of Gd[sub.45]Co[sub.50−x]Fe[sub.x]Al[sub.5] (x = 2, 5, 10) amorphous alloys were prepared by adding Fe instead of Co. In this paper, the effect of Fe addition on the Curie temperature, and the magnetic entropy change in the alloys, were studied thoroughly. The results show that the Curie temperature is increased to 281 K by adding 5% Fe elements, which is mainly related to the enhanced 3d-3d interaction of transition elements caused by Fe addition, and the maximum value of magnetic entropy change is 3.24 J/(kg·K) under a field of 5 T. The results are expected to provide guidance for further improving the room temperature MCE of Gd-based amorphous alloys.</abstract><pub>MDPI AG</pub><doi>10.3390/ma16134571</doi></addata></record> |
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source | PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
subjects | Metallic glasses Specialty metals industry |
title | The Effect of Fe Addition on the Curie Temperature and Magnetic Entropy of the Gd[sub.45]Co[sub.50]Al[sub.5] Amorphous Alloy |
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