Formation of ε-Fe2O3 nanocrystals through segregation in mesoporous silica particles

Kazumi Mori; Yuya Oaki; Masayuki Suda; Yasuaki Einaga; Hiroaki Imai

doi:10.1246/cl.2008.814

Formation of ε-Fe₂O₃ nanocrystals through segregation in mesoporous silica particles

Kazumi Mori
, Yuya Oaki
, Masayuki Suda
, Yasuaki Einaga
, Hiroaki Imai

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

Nanosized ε-Fe₂O₃ crystals with a diameter below 20 nm were successfully prepared at 600°C in a mesoporous silica matrix. The formation of the metastable iron oxide occurred through nanoscale segregation in an immiscible SiO₂-Fe₂O₃ system having a mesoporous structure. The nanocrystals incorporated into ca. 50nm-size particles of the mesoporous silica exhibited a coercive field up to 8 kOe.

Original language	English
Pages (from-to)	814-815
Number of pages	2
Journal	Chemistry Letters
Volume	37
Issue number	8
DOIs	https://doi.org/10.1246/cl.2008.814
Publication status	Published - 2008 Aug 5

ASJC Scopus subject areas

General Chemistry

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10.1246/cl.2008.814

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abstract = "Nanosized ε-Fe2O3 crystals with a diameter below 20 nm were successfully prepared at 600°C in a mesoporous silica matrix. The formation of the metastable iron oxide occurred through nanoscale segregation in an immiscible SiO2-Fe2O3 system having a mesoporous structure. The nanocrystals incorporated into ca. 50nm-size particles of the mesoporous silica exhibited a coercive field up to 8 kOe.",

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T1 - Formation of ε-Fe2O3 nanocrystals through segregation in mesoporous silica particles

AU - Mori, Kazumi

AU - Oaki, Yuya

AU - Suda, Masayuki

AU - Einaga, Yasuaki

AU - Imai, Hiroaki

PY - 2008/8/5

Y1 - 2008/8/5

N2 - Nanosized ε-Fe2O3 crystals with a diameter below 20 nm were successfully prepared at 600°C in a mesoporous silica matrix. The formation of the metastable iron oxide occurred through nanoscale segregation in an immiscible SiO2-Fe2O3 system having a mesoporous structure. The nanocrystals incorporated into ca. 50nm-size particles of the mesoporous silica exhibited a coercive field up to 8 kOe.

AB - Nanosized ε-Fe2O3 crystals with a diameter below 20 nm were successfully prepared at 600°C in a mesoporous silica matrix. The formation of the metastable iron oxide occurred through nanoscale segregation in an immiscible SiO2-Fe2O3 system having a mesoporous structure. The nanocrystals incorporated into ca. 50nm-size particles of the mesoporous silica exhibited a coercive field up to 8 kOe.

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M3 - Article

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SN - 0366-7022

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JO - Chemistry Letters

JF - Chemistry Letters

IS - 8

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Formation of ε-Fe₂O₃ nanocrystals through segregation in mesoporous silica particles

Abstract

ASJC Scopus subject areas

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