Structural Changes in Ytterbium Ferrite YbFe2O4 in the Temperature Range From-150 degrees C TO 300 degrees C

摘要

Structural changes and thermal expansion of the iron ferrite sample YbFe2O4 of a rhombohedral modification are studied by high-temperature X-ray diffraction and differential thermal analysis. It is demonstrated that no phase transitions are observed in the temperature range from-150 degrees C to 300 degrees C. There are only anisotropic changes in unit cell parameters due to changes in Yb-O and Fe-O bond lengths.