European Journal of Mineralogy
European Journal of Mineralogy
European Journal of Mineralogy
Articles | Volume 38, issue 5
Articles | Volume 38, issue 5
https://doi.org/10.5194/ejm-38-575-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ejm-38-575-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 38, issue 5
Research article
 | 
07 Oct 2026
Research article |  | 07 Oct 2026

Synthesis of nano-porous ellipsoid hematite and the crystal growth mechanism

Meirong Zong, Nshuti Cedrick, Wei Liang, Pinghua Zhu, Dongdong Liang, Haonan Liu, and Jiaxin Zou

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Short summary
This study examines the growth of nanoporous ellipsoidal hematite via hydrothermal synthesis. Initially, iron oxyhydroxides agglomerate at 30 min, followed by needle-shaped FeOOH formation at 45 min. As the reaction progresses, FeOOH dehydrates and transforms into ellipsoidal hematite. After 120 min, lattice rearrangement results in nanoporous ellipsoidal hematite (~ 27 nm). These findings provide insight into hematite crystal growth mechanisms.
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