Investigations on magnetic and magnetocaloric properties of the intermetallic compound TbAgAl

Niraj K. Singh; Pramod Kumar; K. G. Suresh; A. K. Nigam

doi:10.1063/1.3065528

Investigations on magnetic and magnetocaloric properties of the intermetallic compound TbAgAl

Niraj K. Singh
, Pramod Kumar
, K. G. Suresh
, A. K. Nigam

Indian Institute of Technology Bombay
Ames Laboratory
Leibniz Institute for Solid State and Materials Research Dresden
Tata Institute of Fundamental Research

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

32 Scopus citations

Abstract

Magnetic and magnetocaloric properties of the intermetallic compound TbAgAl have been investigated. Temperature dependence of magnetization data revealed that TbAgAl exhibits magnetic ordering at 59 K and possesses competing ferromagnetic-antiferromagnetic interactions, which leads to the formation of Griffiths-like phase. The field dependence of magnetization data shows the existence of a metamagnetic-like transition at a critical field of 10 kOe. Unusually potent relaxation effects are seen in the time dependence of magnetization data in the ordered phase. The presence of spin-glass-like state is found to affect magnetocaloric properties of this compound.

Original language	English
Article number	023901
Journal	Journal of Applied Physics
Volume	105
Issue number	2
DOIs	https://doi.org/10.1063/1.3065528
State	Published - 2009
Externally published	Yes

Bibliographical note

Funding Information:
One of the authors (K.G.S.) acknowledges the support from ISRO, Government of India for financial support in the form of a sponsored project.

Funding

One of the authors (K.G.S.) acknowledges the support from ISRO, Government of India for financial support in the form of a sponsored project.

Funders
ISRO, Government of India

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title = "Investigations on magnetic and magnetocaloric properties of the intermetallic compound TbAgAl",

abstract = "Magnetic and magnetocaloric properties of the intermetallic compound TbAgAl have been investigated. Temperature dependence of magnetization data revealed that TbAgAl exhibits magnetic ordering at 59 K and possesses competing ferromagnetic-antiferromagnetic interactions, which leads to the formation of Griffiths-like phase. The field dependence of magnetization data shows the existence of a metamagnetic-like transition at a critical field of 10 kOe. Unusually potent relaxation effects are seen in the time dependence of magnetization data in the ordered phase. The presence of spin-glass-like state is found to affect magnetocaloric properties of this compound.",

author = "Singh, \{Niraj K.\} and Pramod Kumar and Suresh, \{K. G.\} and Nigam, \{A. K.\}",

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AU - Kumar, Pramod

AU - Suresh, K. G.

AU - Nigam, A. K.

N1 - Funding Information: One of the authors (K.G.S.) acknowledges the support from ISRO, Government of India for financial support in the form of a sponsored project.

PY - 2009

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N2 - Magnetic and magnetocaloric properties of the intermetallic compound TbAgAl have been investigated. Temperature dependence of magnetization data revealed that TbAgAl exhibits magnetic ordering at 59 K and possesses competing ferromagnetic-antiferromagnetic interactions, which leads to the formation of Griffiths-like phase. The field dependence of magnetization data shows the existence of a metamagnetic-like transition at a critical field of 10 kOe. Unusually potent relaxation effects are seen in the time dependence of magnetization data in the ordered phase. The presence of spin-glass-like state is found to affect magnetocaloric properties of this compound.

AB - Magnetic and magnetocaloric properties of the intermetallic compound TbAgAl have been investigated. Temperature dependence of magnetization data revealed that TbAgAl exhibits magnetic ordering at 59 K and possesses competing ferromagnetic-antiferromagnetic interactions, which leads to the formation of Griffiths-like phase. The field dependence of magnetization data shows the existence of a metamagnetic-like transition at a critical field of 10 kOe. Unusually potent relaxation effects are seen in the time dependence of magnetization data in the ordered phase. The presence of spin-glass-like state is found to affect magnetocaloric properties of this compound.

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Investigations on magnetic and magnetocaloric properties of the intermetallic compound TbAgAl

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