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Updated: May 25, 2026

Methods of Ex Situ and In Situ Investigations of Structural Transformations: The Case of Crystallization of Metallic Glasses
Published on: June 7, 2018
On the magnetic structure of PrMn2O5: a neutron diffraction study
A Muñoz1, J A Alonso, M J Martínez-Lope
1Departamento Física Aplicada, EPS, Universidad Carlos III, Madrid, Spain. angel.munoz@uc3m.es
Praseodymium manganese oxide (PrMn2O5) exhibits long-range magnetic ordering, transitioning to antiferromagnetism around 25 K. Below 18 K, two distinct magnetic domains with different propagation vectors and magnetic moments emerge.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Magnetism
Background:
- Praseodymium manganese oxide (PrMn2O5) is a material exhibiting complex magnetic properties.
- Understanding its magnetic ordering is crucial for developing novel magnetic materials.
Purpose of the Study:
- To investigate the long-range magnetic ordering in polycrystalline PrMn2O5.
- To determine the magnetic structure and magnetic moments of manganese (Mn) atoms at different temperatures.
Main Methods:
- Neutron diffraction (NPD) was employed to analyze the magnetic structure.
- Specific heat measurements were used to identify magnetic transitions.
Main Results:
- Antiferromagnetic ordering was observed at approximately 25 K (T(N)).
- Two distinct magnetic domains, characterized by propagation vectors k(1)=(1/2,0,0) and k(2)=(0,0,1/2), were identified below 18 K.
- Specific magnetic moments for Mn atoms were quantified for each domain at 1.5 K.
Conclusions:
- PrMn2O5 displays a complex two-domain magnetic structure below 18 K.
- The detailed magnetic structure and moment distribution provide insights into the magnetic interactions within the material.
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