Parameters of the Dzyaloshinsky-Moriya type weak ferromagnetism for some perovskite compounds

Details Parameters of the Dzyaloshinsky-Moriya type weak ferromagnetism for some perovskite compounds Parameters of the Dzyaloshinsky-Moriya type weak ferromagnetism for some perovskite compounds

2007-01-29

arxiv.org/abs/cond-mat/0701708v1

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

Compounds with distorted perovskite structure of the 4-f and 3-d transition metals with the common formula LnTO3 (where Ln is rare-earth element, T is an element from the Fe group) are the most multifold binary oxides of these two groups elements. Wide range of stability for this structure allows the realization of combinations of the Lanthanides with all the transition metals except the Nickel. Quite interesting physical phenomena take place in these oxides like charge and orbital ordering; relatively independent magnetic lattices of the both metals; particular magnetic structures; high optical indicators; giant magneto-resistance; peculiar dielectric and ferroelectric properties etc. We have investigated the magnetic properties of pure ferrites and chromium-based materials as well as of some mixed type oxides like HoxTb1-xO3, HoMnxFe1-xO3, HoMnxCr1-xO3 and DyFexCr1-xO3.

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