Research Article

Simple Hydrolysis Synthesis of Uniform Rice-Shaped β-FeOOH Nanocrystals and Their Transformation to α-Fe2O3 Microspheres

Table 1

Calculated solid-vapor surface energy with dispersive and polar components of α-Fe2O3 (contact angle : 113°).

ParameterOwens-Wendt methodWu method

(m N/m)6.9113.39
(m N/m)3.086.52
(m N/m)3.866.87