✍ Scribed by Klemens Kelm; Werner Mader
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📜 SIMILAR VOLUMES
The magnetic properties of a-Fe 2 O 3 nanoparticles of different shapes (spherical, rhombohedral and acicular), prepared as powders by a chemical route, have been investigated. The particle size effect on the Morin transition (T M = 263 K in the bulk system) have been studied by analyzing the temper
## Technology of materials V 1500 Optimized Synthesis of the Elusive ε-Fe 2 O 3 Phase via Sol-Gel Chemistry. -Nanoparticles of the title compound embedded in a SiO2 matrix with ε-Fe2O3 phase percentages exceeding 93% are synthesized using Fe(NO3)3 and Si(OEt)4 as precursors. Optimized ε-Fe2O3 nan
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Synthesis and Characterization of Nanometer-Size Fe3O4 and γ-Fe2O3 Particles. -Clear transparent hydrosols of magnetite with Fe3O4 particles of less than 10 nm diameter are prepared from aqueous FeCl3-FeCl2 solutions with a molar ratio of Fe(II)/Fe(III) = 0.5 and pH 11-12 without use of a surfactan