Soft mode and magnetic phase transition in PrNi

Soft mode and magnetic phase transition in PrNi

The spectrum of magnetic excitations in a single crystal of intermetallic compound PrNi was studied by inelastic neutron scattering. Experiment showed the substantial softening of some collective magnetic excitation modes near the ferromagnetic ordering temperature Tc≈20 K. The result is analyzed wi...

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Veröffentlicht in:JETP letters 2002-01, Vol.76 (2), p.99-103
Hauptverfasser: Alekseev, P. A., Klement’ev, E. S., Allenspach, P., Chumlyakov, Yu. I., Lazukov, V. N., Sadikov, I. P.
Format: Artikel
Sprache:eng
Schlagworte:
Excitation
Excitation spectra
Ferromagnetism
Inelastic scattering
Intermetallic compounds
Magnetic moments
Magnetism
Neutron scattering
Neutrons
Phase transitions
Single crystals
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Beschreibung
Zusammenfassung:The spectrum of magnetic excitations in a single crystal of intermetallic compound PrNi was studied by inelastic neutron scattering. Experiment showed the substantial softening of some collective magnetic excitation modes near the ferromagnetic ordering temperature Tc≈20 K. The result is analyzed within the framework of a model that describes the magnetic phase transition in systems with induced magnetic moment.
ISSN:0021-3640
1090-6487
DOI:10.1134/1.1510066