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Magnetic hyperfine field in antiferromagnetic RGa2 (R = Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er) studied by perturbed angular correlation spectroscopy using
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10.1063/1.4795729
/content/aip/journal/jap/113/17/10.1063/1.4795729
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4795729

Figures

Image of FIG. 1.
FIG. 1.

Perturbed angular correlation spectra of in the antiferromagnetic phase of the rare earth-gallium intermetallics RGa, R = Ce to Er at 4 K. For comparison, typical spectra of the paramagnetic phase at 300 K are shown in the top-most section.

Image of FIG. 2.
FIG. 2.

PAC spectra of in PrGa and the extracted magnetic hyperfine frequency (right-hand section) as a function of temperature.

Image of FIG. 3.
FIG. 3.

The spin dependence of the magnetic hyperfine field of in RGa. NdGa and HoGa (marked by asterisks) strongly deviate from the systematic variation shown by the other RGa.

Tables

Generic image for table
Table I.

The hyperfine frequencies and of in the rare earth-gallium intermetallics RGa at 4 K, derived from the PAC spectra of Fig. 1 . In the case of SmGa, the measurement was carried out at 8 K. β is the angle between the symmetry axis of the EFG tensor and the direction of the magnetic hyperfine field B. The precision of β is of the order of 10°. T is the magnetic order temperature obtained from the temperature dependence of B (precision ∼ 1 K). is the projection of the 4-spin on the total angular momentum is the de Gennes factor.

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/content/aip/journal/jap/113/17/10.1063/1.4795729
2013-03-29
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetic hyperfine field in antiferromagnetic RGa2 (R = Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er) studied by perturbed angular correlation spectroscopy using Cd111
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/17/10.1063/1.4795729
10.1063/1.4795729
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