Specific Heat Study of PrNi_4Si

• Authors: K. Procházková , S. Daniš , P. Svoboda
• Languages of publication: EN

Abstracts

EN

Here we present the results of pilot polycrystalline study of PrNi_4Si. The X-ray study did not confirm the expected CaCu_5-type structure. Instead of this, the orthorhombic structure with the space group Cmmm was found. The zero-field specific heat was measured in the temperature range 2-300 K. The data were analyzed using the sum of the phonon, electronic, and magnetic contributions to specific heat, respectively. The magnetic part of the specific heat can be well described using the Schottky formula for the 9 crystal-field singlet levels of the pz3 H4 ground-state multiplet of the Pr^{3+} ion.

Keywords

EN

61.05.cp; 75.50.-y

Discipline

• 75.50.-y: Studies of specific magnetic materials
• 61.05.cp: X-ray diffraction

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2008
• Volume: 113
• Issue: 1
• Pages: 299-302

Dates

published

2008-01

received

2007-07-09

Contributors

author

K. Procházková

• Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic

author

S. Daniš

• Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic

author

P. Svoboda

• Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics, Ke Karlovu 5, 121 16 Prague 2, Czech Republic

References

• 1. P.C.M. Gubbens, A.M. van der Kraan, K.H.J. Buschow, Phys. Rev. B 39, 12548 (1989) and references therein
• 2. P. Svoboda, J. Vejpravová, N.-T.H. Kim-Ngan, F. Kaysel, J. Magn. Magn. Mater. 272-276, 595 (2004)
• 3. A. Boultif, D. Louer, J. Appl. Crystallogr. 37, 724 (2004)
• 4. J. Liang, J. Zhao, Acta Phys. Sinica 35, 505 (1986)
• 5. A. Le Bail, H. Duroy, J.L. Fourquet, Mater. Res. Bull. 23, 447 (1988)
• 6. J. Rodriguez-Carvajal, Physica B 192, 55 (1993)

Identifiers

DOI

10.12693/APhysPolA.113.299