| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Dy substitution effect on the temperature dependences of magnetostriction in Pr1-xDyxFe1.9 alloys |
| Yan-Mei Tang(唐妍梅)1,2, Hai-Fu Huang(黄海富)2, Shao-Long Tang(唐少龙)2, You-Wei Du(都有为)2 |
1 College of Physics and Technology, Guangxi Normal University, Guilin 541004, China;
2 Institute of Materials Engineering, National Laboratory of Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China |
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Abstract The temperature dependences of magnetostriction in Pr1-xDyxFe1.9 (0≤x≤1.0) alloys between 5 K and 300 K were investigated. An unusual decrease of magnetostriction with temperature decreasing was found in Pr-rich alloys (0≤x≤0.2), due to the change of the easy magnetization direction (EMD). Dy substitution reduces the magnetostriction in high-magnetic field (10 kOe≤H≤90 kOe) at 5 K, while a small amount of Dy substitution (x=0.05) is beneficial to increasing the magnetostriction in low-magnetic field between 10 K and 50 K. This makes the alloys a potential candidate for low temperature applications.
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Received: 09 May 2016
Revised: 25 July 2016
Accepted manuscript online:
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PACS:
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75.50.Bb
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(Fe and its alloys)
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75.80.+q
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(Magnetomechanical effects, magnetostriction)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. U1232210), the Science Foundation of Guangxi Zhuang Autonomous Region, China (Grant No. 2015GXNSFBA139020), and the Enhancement of the Basic Ability of Teachers of Guangxi Zhuang Autonomous Region, China (Grant No. KY2016YB068). |
Corresponding Authors:
Yan-Mei Tang, Shao-Long Tang
E-mail: tangym0707@163.com;tangsl@nju.edu.cn
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Cite this article:
Yan-Mei Tang(唐妍梅), Hai-Fu Huang(黄海富), Shao-Long Tang(唐少龙), You-Wei Du(都有为) Dy substitution effect on the temperature dependences of magnetostriction in Pr1-xDyxFe1.9 alloys 2016 Chin. Phys. B 25 117503
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