Single crystal ellipsoidal and spherical particles of α-Fe2O3: Hydrothermal synthesis, formation mechanism, and magnetic properties.

Highlights: [•] The ellipsoidal and spherical α-Fe2O3 particles were single crystalline. [•] The ellipsoidal α-Fe2O3 particles were about 570nm and spherical α-Fe2O3 particles were about 300nm. [•] This procedure does not use any template or organic surfactant. [•] The formation mechanisms of ellipsoidal and spherical α-Fe2O3 particles were discussed. [ABSTRACT FROM AUTHOR]