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[en] The ferromagnetic Fe-In_2O_3 nanocomposite thin film has been synthesized by the thermite Fe_2O_3 + In → Fe-In_2O_3 reaction. The transmittance (400 - 1100 nm) was measured at temperatures from 320 to 5 K. It was found that the transmittance increases when temperature decreases. For wavelength 600, 700, 800, 900 and 1000 nm maximum change of transmittance was ~ 3.2, 4.2, 4.8, 5.1 and 5.4 %, respectively. From transmittance spectra, spin glass-like behavior was observed near ~ 36 K and confirmed by magnetization measurements. The Verwey transition was identified at ~ 127 K by magnetization measurements. We have shown direct relationship between transmittance and magnetization of nanocomposite Fe - In_2O_3 thin film near ~ 36 K and give proposed possible mechanism this phenomena. (authors)
Source
Anishchik, V.M. (ed.); Uglov, V.V.; Baran, L.V.; Azarko, I.I. (Belarusian state univ., Minsk (Belarus)); Belarusian state univ., Minsk (Belarus); Ministry of education of Republic of Belarus, Minsk (Belarus); National academy of sciences of Belarus, Minsk (Belarus); Belarus state found of fundamental researches, Minsk (Belarus); 440 p; ISBN 978-985-553-304-8; 
; Sep 2015; p. 330-331; 11. International conference 'Interaction of radiation with solids'; 11. Mezhdunarodnaya konferentsiya 'Vzaimodejstvie izluchenij s tverdym telom'; Minsk (Belarus); 23-25 Sep 2015; 9 refs., 2 figs.
; Sep 2015; p. 330-331; 11. International conference 'Interaction of radiation with solids'; 11. Mezhdunarodnaya konferentsiya 'Vzaimodejstvie izluchenij s tverdym telom'; Minsk (Belarus); 23-25 Sep 2015; 9 refs., 2 figs.