Local moments and symmetry breaking in metallic PrMnSbO

Simon A.J. Kimber, Adrian H. Hill, Yu Zhong Zhang, Harald Olaf Jeschke, Roser Valentí, Clemens Ritter, Inga Schellenberg, Wilfred Hermes, Rainer Pöttgen, Dimitri N. Argyriou

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

We report a combined experimental and theoretical investigation of the layered antimonide PrMnSbO which is isostructural to the parent phase of the iron pnictide superconductors. We find linear resistivity near room temperature and Fermi liquidlike T2 behavior below 150 K. Neutron powder diffraction shows that unfrustrated C-type Mn magnetic order develops below ∼230 K, followed by a spin flop coupled to induced Pr order. At T∼35 K, we find a tetragonal to orthorhombic (T-O) transition. First-principles calculations show that the large magnetic moments observed in this metallic compound are of local origin. Our results are thus inconsistent with either the itinerant or frustrated models proposed for symmetry breaking in the iron pnictides. We show that PrMnSbO is instead a rare example of a metal where structural distortions are driven by f -electron degrees of freedom.

Original languageEnglish
Article number100412
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume82
Issue number10
DOIs
Publication statusPublished - Sep 23 2010
Externally publishedYes

Fingerprint

Group 5A compounds
broken symmetry
Iron
Structural metals
Metallic compounds
moments
iron
Neutron powder diffraction
Magnetic moments
Superconducting materials
degrees of freedom
magnetic moments
neutrons
electrical resistivity
Electrons
room temperature
diffraction
metals
electrons
Temperature

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Kimber, S. A. J., Hill, A. H., Zhang, Y. Z., Jeschke, H. O., Valentí, R., Ritter, C., ... Argyriou, D. N. (2010). Local moments and symmetry breaking in metallic PrMnSbO. Physical Review B - Condensed Matter and Materials Physics, 82(10), [100412]. https://doi.org/10.1103/PhysRevB.82.100412

Local moments and symmetry breaking in metallic PrMnSbO. / Kimber, Simon A.J.; Hill, Adrian H.; Zhang, Yu Zhong; Jeschke, Harald Olaf; Valentí, Roser; Ritter, Clemens; Schellenberg, Inga; Hermes, Wilfred; Pöttgen, Rainer; Argyriou, Dimitri N.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 82, No. 10, 100412, 23.09.2010.

Research output: Contribution to journalArticle

Kimber, SAJ, Hill, AH, Zhang, YZ, Jeschke, HO, Valentí, R, Ritter, C, Schellenberg, I, Hermes, W, Pöttgen, R & Argyriou, DN 2010, 'Local moments and symmetry breaking in metallic PrMnSbO', Physical Review B - Condensed Matter and Materials Physics, vol. 82, no. 10, 100412. https://doi.org/10.1103/PhysRevB.82.100412
Kimber, Simon A.J. ; Hill, Adrian H. ; Zhang, Yu Zhong ; Jeschke, Harald Olaf ; Valentí, Roser ; Ritter, Clemens ; Schellenberg, Inga ; Hermes, Wilfred ; Pöttgen, Rainer ; Argyriou, Dimitri N. / Local moments and symmetry breaking in metallic PrMnSbO. In: Physical Review B - Condensed Matter and Materials Physics. 2010 ; Vol. 82, No. 10.
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