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La1−xMgxFeO3 materials were prepared with analytical grade La(NO3)3¡¤6H2O, Mg(NO3)2, and Fe(NO3)3¡¤9H2O. Stoichiometric quantities of La(NO3)3¡¤6H2O, Mg(NO3)2, and Fe(NO3)3¡¤9H2O were dissolved in 5 mL of ethylene glycol (EG) with slow stirring at room temperature until the nitrate salt dissolved completely (final total metal concentration: 1 M). Then, the EG solution poured into a 25 mL volumetric flask. Methanol (10 mL) and EG were added into achieve the desired concentration (final concentration of methanol being 40% of the volume). Then the PMMA colloidal crystals were poured into the solution and soaked in the solution for 3 h.
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2Â¥: Originally posted by lan9583 at 2018-05-10 17:41:58
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4Â¥: Originally posted by lan9583 at 2018-05-10 18:45:32
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