Stabilization of metal(II)oxides on the nanoscale

Boyi Qu; Cecile S. Bonifacio; Hasti Majidi; Klaus van Benthem

doi:10.1080/21663831.2019.1684395

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Stabilization of metal(II)oxides on the nanoscale

Original Report | 更新时间：2026-08-19

- Stabilization of metal(II)oxides on the nanoscale
- Materials Research Letters Vol. 8, Issue 1, Pages: 41-47(2020)
- 作者机构：
  
  Dept. Materials Science and Engineering University of California Davis Davis
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1684395
  CLC：
- Online First：07 November 2019，
  
  Published：2020
- 稿件说明：
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Boyi Qu, Cecile S. Bonifacio, Hasti Majidi, et al. Stabilization of metal(II)oxides on the nanoscale[J]. Materials Research Letters, 2020, 8(1): 41-47.
DOI：

Boyi Qu, Cecile S. Bonifacio, Hasti Majidi, et al. Stabilization of metal(II)oxides on the nanoscale[J]. Materials Research Letters, 2020, 8(1): 41-47. DOI： 10.1080/21663831.2019.1684395.

摘要

Abstract

BSTRACTIncreasing surface-to-volume ratios for nanoscale materials may cause metal(II)oxides phases to be thermodynamically unstable compared to their bulk counterparts. For instance

previous studies have found FeO to be unstable for nanoparticles with dimensions below 100 nm. In this study in-situ TEM was used to gradually reduce nanoparticles and nanochains of Fe

. Electron energy-loss spectroscopy and selected area diffraction at different temperatures not only confirm earlier predictions

but also reveal the unexpected stabilization of the FeO phase for nanochains with a minimal critical length. Hence

dimensionally constrained phases were stabilized on length-scales that were previously considered unattainable.

关键词

Keywords

references

Leapman RD, Grunes LA, Fejes PL. Study of the L23edges in the 3d transition metals and their oxides by electron-energy-loss spectroscopy with comparisons to theory. Phys Rev B [Internet]. American Physical Society; 1982;26(1):614–635. Available from: https://journals.aps.org/prb/abstract/10.1103/PhysRevB.26.614(open in a new window) (Open in a new window)Google Scholar

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