Two-dimensional antiferromagnetic correlations in an La{sub 1.4}Sr{sub 1.6}(Mn{sub 0.9}Co{sub 0.1}){sub 2}O{sub 7} single crystal
Journal Article
·
· Journal of Experimental and Theoretical Physics
- Russian Academy of Sciences, Konstantinov St. Petersburg Nuclear Physics Institute (Russian Federation)
- Russian Academy of Sciences, Kirensky Institute of Physics, Siberian Branch (Russian Federation)
- Max Plank Institute for Chemical Physics of Solids (Germany)
The temperature and field dependences of the magnetization, the electrical resistivity, and the magnetostriction of bilayer lanthanum manganite La{sub 1.4}Sr{sub 1.6}Mn{sub 2}O{sub 7} single crystals and cobalt-doped La{sub 1.4}Sr{sub 1.6}(Mn{sub 0.9}Cu{sub 0.1}){sub 2}O{sub 7} are measured. The magnetostriction of the cobalt-doped compound increases as compared to the initial La{sub 1.4}Sr{sub 1.6}Mn{sub 2}O{sub 7} compound, and the magnetization and the magnetoresistance of the former compound change substantially. Powder and single-crystal neutron diffraction patterns are used to detect ferromagnetic ordering in La{sub 1.4}Sr{sub 1.6}(Mn{sub 0.9}Co{sub 0.1}){sub 2}O{sub 7} at a temperature below T{sub C} ~ 45(2) K, and this ordering coexists with antiferromagnetic correlations, which develop at temperatures below T{sub C} ~ 80(5) K.
- OSTI ID:
- 22756478
- Journal Information:
- Journal of Experimental and Theoretical Physics, Journal Name: Journal of Experimental and Theoretical Physics Journal Issue: 5 Vol. 124; ISSN JTPHES; ISSN 1063-7761
- Country of Publication:
- United States
- Language:
- English
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