NDLI: Magnetocaloric effect studies on MnSbR0.05 (R: Gd, Tb, Dy and Ho) intermetallics

Content Provider	IEEE Xplore Digital Library
Author	Pothala, R. Garimella, M.
Copyright Year	2015
Description	Author affiliation: Phys., Indian Inst. of Technol. Madras, Chennai, India (Pothala, R.; Garimella, M.)
Abstract	Magnetocaloric effect studies (MCE) at high temperatures are attractive from the point of view of large change in magnetic entropy $(ΔS_{M})$ in magnetic refrigeration. While materials which exhibit first order magnetic transition (FOMT) are prominent materials to exhibit large $ΔS_{M},$ they also exhibit thermal hysteresis [1]. Therefore, focus on materials exhibiting second order magnetic transition (SOMT) with large $ΔS_{M}$ at low applied magnetic fields is important for magnetic refrigeration. Thus, large magnetic moments and sharp magnetic transition at Curie temperature are prerequisites for a material to be considered for magnetic refrigeration applications. In general, heavy rare-earth elements and their compounds are considered as good MCE materials due to their large magnetic moments [2]. However, low Curie temperatures and large anisotropy have forced the rare earth elements to be combined with other compounds, for applications. MnSb is a SOMT with the magnetic transition temperature $(T_{C})$ well above room temperature [3]. Therefore, an attempt was made to study the MCE at high temperatures in MnSb with 5 % excess of heavy rare-earths (R: Gd, Tb, Dy and Ho).
Starting Page	1
Ending Page	1
File Size	301429
Page Count	1
File Format	PDF
e-ISBN	9781479973224
DOI	10.1109/INTMAG.2015.7157657
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-11
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Perpendicular magnetic anisotropy Magnetic hysteresis Magnetometers Magnetic field measurement Entropy Lattices
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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