Magnetocaloric effect in Tb(Co0.94Fe0.06)2 alloy with negligible thermal hysteresis and wide working temperature range

Adil Murtaza; Jingwen Mi; Yebei Li; Chunxi Hao; Muhammad Yaseen; Awais Ghani; Azhar Saeed; Wenliang Zuo; Yin Zhang; Chao Zhou; Sen Yang; Xiaoping Song

doi:10.1016/j.jmmm.2020.166521

Magnetocaloric effect in Tb(Co_0.94Fe_0.06)₂ alloy with negligible thermal hysteresis and wide working temperature range

Adil Murtaza
, Jingwen Mi
, Yebei Li
, Chunxi Hao
, Muhammad Yaseen
, Awais Ghani
, Azhar Saeed
, Wenliang Zuo
, Yin Zhang
, Chao Zhou
, Sen Yang^*
, Xiaoping Song

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

In the present work, the magnetocaloric effect (MCE) and magnetic properties of Tb(Co_0.94Fe_0.06)₂ alloy were studied. X-ray diffraction pattern taken at room temperature confirms that the sample crystallizes in single phase with rhombohedral structure. The paramagnetic to ferromagnetic phase transition was observed at 304 K near the room temperature. Banerjee criterion and universal scaling of the MCE was employed to confirm the second-order nature of the magnetic transition. Differential scanning calorimetry and magnetic characterizations have shown the absence of thermal and magnetic hysteresis in the paramagnetic-ferromagnetic transition region. The magnetic entropy change for Tb(Co_0.94Fe_0.06)₂ associated with the ferromagnetic transition has been observed over a wide working temperature range (93 K) leading to large refrigerant capacity. The maximum value of magnetic entropy change (−ΔS_M) under 5 T magnetic field is 4.3 J/kgK and the corresponding value of refrigerant capacity is 368.7 J/kg. Interestingly, the magnetocaloric performance of Tb(Co_0.94Fe_0.06)₂ alloy is comparable with some rare-earth-based magnetocaloric materials. These remarkable features make this alloy a suitable candidate for magnetic refrigeration at room temperature.

Original language	English
Article number	166521
Journal	Journal of Magnetism and Magnetic Materials
Volume	502
DOIs	https://doi.org/10.1016/j.jmmm.2020.166521
State	Published - 15 May 2020
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2020 Elsevier B.V.

Keywords

Magnetic properties
Magnetocaloric effect
Refrigerant capacity
Second-order phase transition
Thermal hysteresis
Universal scaling

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Access to Document

10.1016/j.jmmm.2020.166521

Cite this

@article{39a95578da0c416392c3b775b051c0a2,

title = "Magnetocaloric effect in Tb(Co0.94Fe0.06)2 alloy with negligible thermal hysteresis and wide working temperature range",

abstract = "In the present work, the magnetocaloric effect (MCE) and magnetic properties of Tb(Co0.94Fe0.06)2 alloy were studied. X-ray diffraction pattern taken at room temperature confirms that the sample crystallizes in single phase with rhombohedral structure. The paramagnetic to ferromagnetic phase transition was observed at 304 K near the room temperature. Banerjee criterion and universal scaling of the MCE was employed to confirm the second-order nature of the magnetic transition. Differential scanning calorimetry and magnetic characterizations have shown the absence of thermal and magnetic hysteresis in the paramagnetic-ferromagnetic transition region. The magnetic entropy change for Tb(Co0.94Fe0.06)2 associated with the ferromagnetic transition has been observed over a wide working temperature range (93 K) leading to large refrigerant capacity. The maximum value of magnetic entropy change (−ΔSM) under 5 T magnetic field is 4.3 J/kgK and the corresponding value of refrigerant capacity is 368.7 J/kg. Interestingly, the magnetocaloric performance of Tb(Co0.94Fe0.06)2 alloy is comparable with some rare-earth-based magnetocaloric materials. These remarkable features make this alloy a suitable candidate for magnetic refrigeration at room temperature.",

keywords = "Magnetic properties, Magnetocaloric effect, Refrigerant capacity, Second-order phase transition, Thermal hysteresis, Universal scaling",

author = "Adil Murtaza and Jingwen Mi and Yebei Li and Chunxi Hao and Muhammad Yaseen and Awais Ghani and Azhar Saeed and Wenliang Zuo and Yin Zhang and Chao Zhou and Sen Yang and Xiaoping Song",

note = "Publisher Copyright: {\textcopyright} 2020 Elsevier B.V.",

year = "2020",

month = may,

day = "15",

doi = "10.1016/j.jmmm.2020.166521",

language = "English",

volume = "502",

journal = "Journal of Magnetism and Magnetic Materials",

issn = "0304-8853",

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TY - JOUR

T1 - Magnetocaloric effect in Tb(Co0.94Fe0.06)2 alloy with negligible thermal hysteresis and wide working temperature range

AU - Murtaza, Adil

AU - Mi, Jingwen

AU - Li, Yebei

AU - Hao, Chunxi

AU - Yaseen, Muhammad

AU - Ghani, Awais

AU - Saeed, Azhar

AU - Zuo, Wenliang

AU - Zhang, Yin

AU - Zhou, Chao

AU - Yang, Sen

AU - Song, Xiaoping

PY - 2020/5/15

Y1 - 2020/5/15

N2 - In the present work, the magnetocaloric effect (MCE) and magnetic properties of Tb(Co0.94Fe0.06)2 alloy were studied. X-ray diffraction pattern taken at room temperature confirms that the sample crystallizes in single phase with rhombohedral structure. The paramagnetic to ferromagnetic phase transition was observed at 304 K near the room temperature. Banerjee criterion and universal scaling of the MCE was employed to confirm the second-order nature of the magnetic transition. Differential scanning calorimetry and magnetic characterizations have shown the absence of thermal and magnetic hysteresis in the paramagnetic-ferromagnetic transition region. The magnetic entropy change for Tb(Co0.94Fe0.06)2 associated with the ferromagnetic transition has been observed over a wide working temperature range (93 K) leading to large refrigerant capacity. The maximum value of magnetic entropy change (−ΔSM) under 5 T magnetic field is 4.3 J/kgK and the corresponding value of refrigerant capacity is 368.7 J/kg. Interestingly, the magnetocaloric performance of Tb(Co0.94Fe0.06)2 alloy is comparable with some rare-earth-based magnetocaloric materials. These remarkable features make this alloy a suitable candidate for magnetic refrigeration at room temperature.

AB - In the present work, the magnetocaloric effect (MCE) and magnetic properties of Tb(Co0.94Fe0.06)2 alloy were studied. X-ray diffraction pattern taken at room temperature confirms that the sample crystallizes in single phase with rhombohedral structure. The paramagnetic to ferromagnetic phase transition was observed at 304 K near the room temperature. Banerjee criterion and universal scaling of the MCE was employed to confirm the second-order nature of the magnetic transition. Differential scanning calorimetry and magnetic characterizations have shown the absence of thermal and magnetic hysteresis in the paramagnetic-ferromagnetic transition region. The magnetic entropy change for Tb(Co0.94Fe0.06)2 associated with the ferromagnetic transition has been observed over a wide working temperature range (93 K) leading to large refrigerant capacity. The maximum value of magnetic entropy change (−ΔSM) under 5 T magnetic field is 4.3 J/kgK and the corresponding value of refrigerant capacity is 368.7 J/kg. Interestingly, the magnetocaloric performance of Tb(Co0.94Fe0.06)2 alloy is comparable with some rare-earth-based magnetocaloric materials. These remarkable features make this alloy a suitable candidate for magnetic refrigeration at room temperature.

KW - Magnetic properties

KW - Magnetocaloric effect

KW - Refrigerant capacity

KW - Second-order phase transition

KW - Thermal hysteresis

KW - Universal scaling

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DO - 10.1016/j.jmmm.2020.166521

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