Specific Heat of the Tb_{1-x}La_xNi_2 Solid Solutions

• Authors: J. Ćwik , T. Palewski , K. Nenkov
• Languages of publication: EN

Abstracts

EN

Specific heat measurements have been performed on the polycrystalline TbNi_2, LaNi_2 and their solid solutions Tb_{1-x}La_xNi_2 (x=0.2, 0.3). The Debye temperatures, phonon and conduction electron contributions as well as the magnetic part of the heat capacity were determined and discussed. The magnetocaloric effect was estimated from measurements performed in a magnetic field of 0.42 T for TbNi_2, Tb_{0.8}La_{0.2}Ni_2 and Tb_{0.7}La_{0.3}Ni_2.

Keywords

EN

75.30.Sg; 75.40.-s; 74.70.Ad

Discipline

• 75.30.Sg: Magnetocaloric effect, magnetic cooling(for cryogenics, see 07.20.Mc)
• 75.40.-s: Critical-point effects, specific heats, short-range order(for equilibrium properties near critical points, see 64.60.F-; for dynamical critical phenomena, see 64.60.Ht)
• 74.70.Ad: Metals; alloys and binary compounds (including A15, MgB2, etc.)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 113
• Issue: 1
• Pages: 343-346

Dates

published

2008-01

received

2007-07-09

Contributors

author

J. Ćwik

• International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wrocław, Poland

author

T. Palewski

• International Laboratory of High Magnetic Fields and Low Temperatures, Gajowicka 95, 53-421 Wrocław, Poland

author

K. Nenkov

• W. Trzebiatowski Institute of Low Temperature and Structural Research, 50-950 Wrocław, Poland

References

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• 2. J. Cwik, Ph.D. Thesis, International Laboratory of High Magnetic Fields and Low Temperatures of PAS, Wrocław 2006
• 3. T. Palewski, J. Cwik, K. Nenkov, G.S. Burkhanov, O.D. Chistyakov, J. Klamut, Phys. Met. Metall. 99/1, S113 (2005)
• 4. M. Bouvier, P. Lethuillier, D. Schmitt, Phys. Rev. B 43, 13137 (1991)
• 5. K.R. Lea, M.J.M. Leask, W.P. Wolf, J. Phys. Chem. Solids 33, 1381 (1962)
• 6. P.J. von Ranke, D.F. Grangeia, A. Caldas, N.A. de Oliveira, J. Appl. Phys. 93, 4055 (2003)

Identifiers

DOI

10.12693/APhysPolA.113.343