journal article·2016-08-09

Ligand Passivated Core–Shell FePt@Co Nanomagnets Exhibiting Enhanced Energy Product

David J. Carnevale, Michael Shatruk, Geoffrey F. Strouse

Chemistry of Materials· Volume 28· Issue 15
Publisher page

Abstract

Systematic growth of a soft-magnet Co shell (0.6 to 2.7 nm thick) around a hard-magnet Fe 0.65 Pt 0.35 core (5 nm in diameter) has been achieved in a one-pot microwave synthesis. This controlled growth led to a 4-fold enhancement in the energy product of the core–shell assembly as compared to the energy product of bare Fe 0.65 Pt 0.35 nanoparticles. The simultaneous enhancement of coercivity and saturation moment reflects the onset of theoretically predicted exchange-spring behavior. The demonstration of nanoscale exchange-spring magnets can lead to improved high-performance magnet design for energy applications.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Magnetic properties of thin films · Magnetic Properties of Alloys · Hydrogen Storage and Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States

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