Evolution of the partially frustrated magnetic order in CePd$_{1-x}$Ni$_x$Al
Phys. Rev. B 96, 144405 (2017) We report on a single-crystal neutron diffraction study of the evolution of the antiferromagnetic order in the heavy-fermion compound CePd$_{1-x}$Ni$_x$Al which exhibits partial geometric frustration due to its distorted Kagom\'e structure. The magnetic structure...
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| Format | Journal Article |
| Language | English |
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08.09.2017
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| Abstract | Phys. Rev. B 96, 144405 (2017) We report on a single-crystal neutron diffraction study of the evolution of
the antiferromagnetic order in the heavy-fermion compound CePd$_{1-x}$Ni$_x$Al
which exhibits partial geometric frustration due to its distorted Kagom\'e
structure. The magnetic structure is found to be unchanged with a propagation
vector $Q_\mathrm{AF} \approx (0.5~0~0.35)$ for all Ni concentrations $x$ up to
$x_c \approx 0.14$. Upon approaching the quantum critical concentration $x_c$,
the ordered moment vanishes linearly with N\'eel temperature $T_{\rm N}$, in
good agreement with CePdAl under hydrostatic pressure. For all Ni
concentrations, substantial short-range magnetic correlations are observed
above $T_{\rm N}$ as a result of frustration. |
|---|---|
| AbstractList | Phys. Rev. B 96, 144405 (2017) We report on a single-crystal neutron diffraction study of the evolution of
the antiferromagnetic order in the heavy-fermion compound CePd$_{1-x}$Ni$_x$Al
which exhibits partial geometric frustration due to its distorted Kagom\'e
structure. The magnetic structure is found to be unchanged with a propagation
vector $Q_\mathrm{AF} \approx (0.5~0~0.35)$ for all Ni concentrations $x$ up to
$x_c \approx 0.14$. Upon approaching the quantum critical concentration $x_c$,
the ordered moment vanishes linearly with N\'eel temperature $T_{\rm N}$, in
good agreement with CePdAl under hydrostatic pressure. For all Ni
concentrations, substantial short-range magnetic correlations are observed
above $T_{\rm N}$ as a result of frustration. |
| Author | Wunderlich, Sarah Prokeš, Karel Löhneysen, Hilbert v Lucas, Stefan Lemée-Cailleau, Marie-Hélène Stockert, Oliver Pedersen, Bjørn Schmalzl, Karin Huesges, Zita Fritsch, Veronika Yokaichiya, Fabiano |
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| BackLink | https://doi.org/10.48550/arXiv.1709.02566$$DView paper in arXiv https://doi.org/10.1103/PhysRevB.96.144405$$DView published paper (Access to full text may be restricted) |
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the antiferromagnetic order in the heavy-fermion... |
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| Title | Evolution of the partially frustrated magnetic order in CePd$_{1-x}$Ni$_x$Al |
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