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Hossain, Aslam
- Evidence of Blocking Temperature of BaPrxFe2-xO4 Orthoferrites from In-situ Ultrasonic Measurement
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Authors
Affiliations
1 INSA Visiting Scientist, Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, IN
2 of Physics, Sethu Institute of Technology, Kariapatti-626 115, IN
3 Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics, Ural Federal University, 19 Mira street, Ekaterinburg-620002, RU
1 INSA Visiting Scientist, Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore-560 012, IN
2 of Physics, Sethu Institute of Technology, Kariapatti-626 115, IN
3 Department of Physical and Inorganic Chemistry, Institute of Natural Sciences and Mathematics, Ural Federal University, 19 Mira street, Ekaterinburg-620002, RU
Source
Journal of Pure and Applied Ultrasonics, Vol 42, No 1 (2020), Pagination: 9-15Abstract
In this article, ultrasonic technique was applied for both the syntheses and characterize the BaPrxFe2-xO4 (x = 0.00. 0.02, 0.04, 0.06, 0.08 and 0.10) orthoferrites. The measured ultrasonics parameters for the prepared orthoferrite using through transmission technique were correlated with AC susceptibility (χac) measurement. The successfully doping of praseodymium ion in barium ferrite and their existence of the orthorhombic phase structure was confirmed through the respective diffraction peaks by using the X-ray diffraction (XRD). The crystalline size of the pristine barium ferrite (51 nm) was higher than that of praseodymium doped barium ferrite (28 nm). Curie temperature and blocking temperature of the BaPrxFe2-xO4 ferrite were explored through the temperature-dependent AC susceptibility (χac) and in situ ultrasonic measurements, respectively. The obtained results were compared and the blocking temperature (TB) measured from AC susceptibility is marked with a mid-point of anomaly in the temperature dependent in-situ ultrasonic measurement.Keywords
Orthoferrites, Magnetic Properties, Curie Temperature, Structural Properties.Full Text
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