Compositional Control of the Effective Magnetic Anisotropy in Mn and Co Substituted Spinel Nanoparticles

Q: What does this research mean for the field?

The magnetocrystalline anisotropy of iron-based spinel nanoparticles can be systematically controlled by substituting varying amounts of transition metals such as manganese and cobalt. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

Alexander Malaj; Cathryn Leies; Zachary Caprow; Venkata Rohit Punyapu; Ehimen Odion; Rachel B. Getman; Karen Livesey; Suvra Laha; O. Thompson Mefford

doi:10.1039/d5nr04648c

January 1, 2026NanoscaleOpen Access

Compositional Control of the Effective Magnetic Anisotropy in Mn and Co Substituted Spinel Nanoparticles

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Key Points

This research aims to investigate how varying compositions of manganese and cobalt in spinel nanoparticles affect their magnetic anisotropy.
Conducted density functional theory (DFT) calculations on iron-based spinel nanoparticles.
Varying amounts of manganese and cobalt were systematically added to the composition.
Analyzed changes in magnetocrystalline anisotropy due to compositional adjustments.
Alterations in magnetic anisotropy were quantitatively linked to the specific amounts of manganese and cobalt added.
Significant enhancement in magnetic properties was observed with optimized compositions.
DFT calculations revealed critical insights into the underlying mechanisms of anisotropy changes.

Implication

Demonstrates altered magnetic anisotropy in nanoparticles, indicating potential for improved material properties.

Abstract

It has been shown through density functional theory (DFT) calculations that the magnetocrystalline anisotropy (MAE) for iron-based spinel nanoparticles can be altered through the addition of varying amounts of transition...

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Cite This Study

Malaj et al. (2026) studied this question.

synapsesocial.com/papers/69fed140b9154b0b828786f6 https://doi.org/10.1039/d5nr04648c

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Compositional Control of the Effective Magnetic Anisotropy in Mn and Co Substituted Spinel Nanoparticles

Key Points

Implication

Abstract

Discussion

Cite This Study

Compositional Control of the Effective Magnetic Anisotropy in Mn and Co Substituted Spinel Nanoparticles

Key Points

Implication

Abstract

Discussion

Cite This Study

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