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Spin reorientation behavior in YMn1-xMxO3 (M = Ti, Fe, Ga; x = 0, 0.1) by Neetika; Das, A.; Prajapat, C. L.; Meena, S. S. is a scholarly article available to read on EtoBox.

What is Spin reorientation behavior in YMn1-xMxO3 (M = Ti, Fe, Ga; x = 0, 0.1) about?

The structural and magnetic properties of polycrystalline YMn1-xMxO3 (M = Ti, Fe, Ga; x = 0, 0.1) have been studied by neutron powder diffraction and magnetic measurements to probe the effect of Mn site doping on the frustration behavior and magnetic structure of these compounds. The compounds are isostructural and crystallize with hexagonal structure in P63cm space group. We find that doping with these three ions, Ti4+ (d0), Fe3+ (d5) and Ga3+ (d10), influences both the TN and magnetic structure, unlike other Mn-site dopants reported previously. The magnetic structure of YMnO3 is described by considering a linear combination of irreducible representations {\Gamma}3 and {\Gamma}4 below TN ~ 75K and with decrease in temperature the ratio of {\Gamma}3 and {\Gamma}4 changes. The mixing ratio of these two irreducible representations remains constant on lowering of temperature in the Ga doped compounds. The magnetic structure is modified on doping with nonmagnetic ion Ti4+ (d0). It is described by the basis vectors of the irreducible representation {\Gamma}2 with moment 2.3{\mu}B at 6 K. On doping with Fe3+ (d5) the magnetic structure immediately below TN is explained by considering the

Author

Neetika; Das, A.; Prajapat, C. L.; Meena, S. S.

Published

2013

Language

EN