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A structural, magnetic, and Mössbauer spectral study of the compounds, with
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10.1063/1.2927499
/content/aip/journal/jap/103/9/10.1063/1.2927499
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/9/10.1063/1.2927499

Figures

Image of FIG. 1.
FIG. 1.

The compositional dependence of the lattice parameters for the compounds. Inset: The compositional dependence of the unit-cell volume for the compounds.

Image of FIG. 2.
FIG. 2.

The powder x-ray diffraction pattern of obtained with an unoriented powder, bottom, and with a powder oriented in an applied magnetic field of perpendicular to the plane of the sample. The arrows indicate the presence of the Bragg reflections.

Image of FIG. 3.
FIG. 3.

The compositional dependence of the Curie temperature and compensation temperature for the compounds.

Image of FIG. 4.
FIG. 4.

The isothermal magnetization of the compounds measured at (a) and (b).

Image of FIG. 5.
FIG. 5.

The temperature dependence of the dc magnetic susceptibility of , red , and , blue circles, measured in a magnetic field of .

Image of FIG. 6.
FIG. 6.

The Mössbauer spectra of the compounds with , 1.5, and 2 obtained at (a) and (b).

Image of FIG. 7.
FIG. 7.

The compositional dependence of the and site hyperfine fields (a), isomer shifts (b), quadrupole splittings (c), and relative areas (d) obtained from the Mössbauer spectra of the compounds. The and sites correspond to the red squares and blue circles, respectively. The open and solid symbols refer to the 295 and data, respectively. The error bars on the hyperfine fields are smaller than the size of the data points. This is also the case for some of the error bars on the isomer shifts. The black symbols represent the relative areas obtained from the iron occupancies of the and sites obtained from powder neutron diffraction studies of the compounds.

Tables

Generic image for table
Table I.

The lattice parameters, unit-cell volumes, and ratios for the compounds.

Generic image for table
Table II.

The saturation magnetizations . Curie temperatures , and compensation temperatures for the compounds.

Generic image for table
Table III.

The Mössbauer spectral parameters of the compounds. The parameters are defined in the text and given with statistical error limits if they have been refined.

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/content/aip/journal/jap/103/9/10.1063/1.2927499
2008-05-14
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A structural, magnetic, and Mössbauer spectral study of the DyCo4−xFexB compounds, with x=0–3
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/9/10.1063/1.2927499
10.1063/1.2927499
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