TY - JOUR
T1 - Estimation of thermomagnetometry method sensitivity for magnetic phase determination
AU - Astafyev, A. L.
AU - Surzhikov, Anatoly Petrovich
AU - Lysenko, E. N.
PY - 2016/2/23
Y1 - 2016/2/23
N2 - In this article, the sensitivity of thermomagnetometry method for magnetic phase determination in lithium substituted ferrites was estimated by thermogravimetric analysis in magnetic field of lithium-zinc ferrite and iron dioxide (Li0.4Fe2.4Zn0.2O4+α-Fe2O3) components mixture with different mass proportions: 2, 4, 6, and 100 mass% Li0.4Fe2.4Zn0.2O4 phase in total mixture. Thereby, analyzed samples are mixture of magnetic and nonmagnetic phases. Results of thermomagnetometric analysis were supplemented with the X-Ray diffraction analysis data. It was shown that the thermomagnetometry method allows to determine a magnetic phases with mass content not less than 2 mass% in analyzed mixture. In this case, we can clearly estimate the position and intensity of the peak on derivative thermogravimetric curve, which connected with a magnetic phase transition in ferrite at Curie temperature.
AB - In this article, the sensitivity of thermomagnetometry method for magnetic phase determination in lithium substituted ferrites was estimated by thermogravimetric analysis in magnetic field of lithium-zinc ferrite and iron dioxide (Li0.4Fe2.4Zn0.2O4+α-Fe2O3) components mixture with different mass proportions: 2, 4, 6, and 100 mass% Li0.4Fe2.4Zn0.2O4 phase in total mixture. Thereby, analyzed samples are mixture of magnetic and nonmagnetic phases. Results of thermomagnetometric analysis were supplemented with the X-Ray diffraction analysis data. It was shown that the thermomagnetometry method allows to determine a magnetic phases with mass content not less than 2 mass% in analyzed mixture. In this case, we can clearly estimate the position and intensity of the peak on derivative thermogravimetric curve, which connected with a magnetic phase transition in ferrite at Curie temperature.
KW - ferrospinel
KW - lithium-substituted ferrospinel
KW - lithium-zinc ferrite
KW - thermomagnetometry method
KW - X-Ray analysis
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U2 - 10.1088/1757-899X/110/1/012090
DO - 10.1088/1757-899X/110/1/012090
M3 - Conference article
AN - SCOPUS:84971634593
VL - 110
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
SN - 1757-8981
IS - 1
M1 - 012090
T2 - 11th International Scientific Conference on Radiation-Thermal Effects and Processes in Inorganic Materials 2015, RTEP 2015
Y2 - 31 August 2015 through 10 September 2015
ER -