Journal of Structural Chemistry

, Volume 59, Issue 8, pp 2023–2028 | Cite as

Transformation Of Magnetic Transitions and Crystal Structure of NdBaMn2O6 At Diamagnetic Dilution with Ti4+ Ions in the Mn-Sublattice

  • E. V. SterkhovEmail author
  • S. A. Uporov


Magnetic and structural transitions in NdBaMn2−xTixO6 (x = 0, 0.2) samples obtained by the topotactic procedure at 1373 K and lgPO2=−19 atm are studied by low-temperature X-ray diffraction and magnetometry in 1–5 T fields. Undoped double manganite undergoes a reversible ferromagnet—antiferromagnet magnetic phase transition at ТN = 278 K without changing symmetry. The 20 mol.% titanium substitution for manganese causes a decrease in symmetry from the tetragonal space group P4/mmm to the orthorhombic space group Pmmm and a shift of magnetic transitions to lower temperatures. Oxide NdBaMn2O6 demonstrates high values of the magnetocaloric effect in the temperature range 250–315 K.


double manganites ordering magnetocaloric effect magnetic phase transitions 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Institute of Metallurgy, Ural BranchRussian Academy of SciencesEkaterinburgRussia

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