Speaker
Description
FePt alloy, particularly in its ordered L10 phase is widely recognized as a promising candidate for advanced magnetic recording applications due to its exceptional magnetic anisotropy and thermal stability. However, its practical implementation is limited by the several challenges, including high ordering temperature and high material cost due to Pt content. In this study, ab initio study based on density functional theory (DFT) was employed to investigate the thermodynamic, mechanical and vibrational properties of FePt-Cu alloys. Formation energy calculations showed that Cu substitution reduces thermodynamic stability of FePt alloy. The calculated Pugh's ratio and Poisson's ratio indicated that alloying with Cu effectively improve the ductility. Vibrational properties analysed from phonon dispersion curves showed that Cu substitution maintain the vibrational stability of the FePt alloy. The findings demonstrated that Cu incorporation significantly affects thermodynamic, mechanical and vibrational properties of FePt alloy, offering valuable insights into tailoring FePt-based alloys for potential applications in magnetic storage technologies.
| Apply for student award at which level: | MSc |
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| Consent on use of personal information: Abstract Submission | Yes, I ACCEPT |