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Synthesis, magnetic properties, and neutron diffraction study of the complex perovskites (, Nd and )
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10.1063/1.3498807
/content/aip/journal/jap/108/8/10.1063/1.3498807
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/8/10.1063/1.3498807

Figures

Image of FIG. 1.
FIG. 1.

Comparison of the observed (crosses) and calculated (solid line) NPD patterns at RT of samples (a) . Second line of Bragg reflections corresponds to the minor impurity and (b) . Second and third lines of Bragg reflections correspond to the and minor impurities, respectively.

Image of FIG. 2.
FIG. 2.

Comparison of the observed (crosses) and calculated (solid line) NPD patterns at RT of samples (a) . Second line of Bragg reflections corresponds to vanadium from the sample holder and (b) . Second and third lines of Bragg reflections correspond to the and minor impurities, respectively.

Image of FIG. 3.
FIG. 3.

A view of the crystal structure of .

Image of FIG. 4.
FIG. 4.

(a) Thermal evolution of the susceptibility of measured under a 0.1 T magnetic field. (b) Isothermal magnetization curves of measured under a magnetic field ranging from −5 to 5 T.

Image of FIG. 5.
FIG. 5.

(a) Thermal evolution of the susceptibility of measured under a 0.1 T magnetic field. (b) Isothermal magnetization curves of measured under a magnetic field ranging from −5 to 5 T.

Image of FIG. 6.
FIG. 6.

Comparison of the observed (crosses) and calculated (solid line) NPD patterns at 5 K of samples (a) and (b) . The last line of Bragg reflections corresponds to the magnetic structure refinement.

Image of FIG. 7.
FIG. 7.

Comparison of the observed (crosses) and calculated (solid line) NPD patterns at 5 K of samples (a) and (b) . The last line of Bragg reflections corresponds to the magnetic structure refinement.

Tables

Generic image for table
Table I.

Unit cell, positional, thermal parameters, and ordered magnetic moments for defined in the cubic (no. 204) space group, , from NPD data at 5 and 295 K. Pr atoms are at , Cu at (0,1/2,1/2), Mn at (1/4,1/4,1/4), and O at sites.

Generic image for table
Table II.

Unit cell, positional, thermal parameters, and ordered magnetic moments for defined in the cubic (no. 204) space group, , from NPD data at 5 and 295 K. Nd atoms are at , Cu at (0,1/2,1/2), Mn at (1/4,1/4,1/4), and O at sites.

Generic image for table
Table III.

Main bond distances (Å) and selected angles (deg) for , determined from NPD data at 5 and 295 K.

Generic image for table
Table IV.

Main bond distances (Å) and selected angles (deg) for , determined from NPD data at 5 and 295 K.

Generic image for table
Table V.

Magnetic parameters for (, Nd and ) from the magnetic susceptibility data. The is obtained from the slope of the ZFC curve and from the saturation of the hysteresis curve.

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/content/aip/journal/jap/108/8/10.1063/1.3498807
2010-10-22
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Synthesis, magnetic properties, and neutron diffraction study of the complex perovskites R(Cu3−xMnx)Mn4O12 (R=Pr, Nd and x=1,2)
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/8/10.1063/1.3498807
10.1063/1.3498807
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