Interplay of Crystal Structure Preference and Magnetic Ordering in High Entropy CrCoFeNiAl Alloys

• Authors: K. Jasiewicz , S. Kaprzyk , J. Tobola
• Languages of publication: EN

Abstracts

EN

In this work, some relations between crystal structure and magnetic ordering in CrCoFeNiAl HEAs are discussed in view of the KKR-CPA calculations. Remarkably, it is noticed that the transition between fcc and bcc phases in the analysed CrCoFeNi_{x}Al and CrCoFeNiAl_{x} alloys is closely related to change in ordering of the local magnetic moments, namely the magnetic moment on Cr is either parallel (ferromagnetic) or antiparallel (ferrimagnetic) to the magnetic moments of other atoms (Co, Fe and Ni). On the whole, the theoretical diagram showing the fcc-bcc phase preference and their coexistence vs. alloy composition well corroborates with available experimental data.

Keywords

EN

71.15.Nc; 71.20.Be; 71.23.-k; 75.50.Bb

Discipline

• 71.23.-k: Electronic structure of disordered solids
• 75.50.Bb: Fe and its alloys
• 71.15.Nc: Total energy and cohesive energy calculations
• 71.20.Be: Transition metals and alloys

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 3
• Pages: 511-513

Dates

published

2018-03

Contributors

author

K. Jasiewicz

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, al. Mickiewicza 30, 30-059 Krakow, Poland

author

S. Kaprzyk

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, al. Mickiewicza 30, 30-059 Krakow, Poland

author

J. Tobola

• AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, al. Mickiewicza 30, 30-059 Krakow, Poland

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Identifiers

DOI

10.12693/APhysPolA.133.511