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A stable and strongly ferromagnetic Fe₁₇O₁₀ cluster with an accordion-like structure

Chemistry

A stable and strongly ferromagnetic Fe₁₇O₁₀ cluster with an accordion-like structure

L. Geng, X. Yu, et al.

This research dives into the gas-phase reactions of iron clusters with oxygen, revealing that while larger clusters react with O₂, smaller ones do not. Notably, Fe₁₇O₁₀ showcases remarkable stability and a unique accordion-like structure, along with strong ferromagnetic properties, suggesting exciting applications in high-density storage and spintronics. Conducted by Lijun Geng, Xiaohu Yu, and Zhixun Luo.... show more
Abstract
Isolated clusters are ideal systems for tailoring molecule-based magnets and investigating the evolution of magnetic order from microscopic to macroscopic regime. We have prepared pure Fen (n=7-31) clusters and observed their gas-collisional reactions with oxygen in a flow tube reactor. Interestingly, only the larger Fen (n ≥ 15) clusters support the observation of O₂-intake, while the smaller clusters Fen (n=7-14) are nearly nonreactive. What is more interesting is that Fe₁₇O₁₀ shows up with prominent abundance in the mass spectra indicative of its distinct inertness. In combination with DFT calculations, we unveil the stability of Fe₁₇O₁₀ within an interesting accordion-like structure and elucidate the spin accommodation in such a strongly ferromagnetic iron cluster oxide.
Publisher
Communications Chemistry
Published On
Jul 13, 2023
Authors
Lijun Geng, Xiaohu Yu, Zhixun Luo
DOI
https://doi.org/10.1038/s42004-023-00952-z
Tags
iron clusters
gas-phase reactions
oxygen
DFT calculations
ferromagnetic
stability
spintronics

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