Matches in SemOpenAlex for { <https://semopenalex.org/work/W4313265329> ?p ?o ?g. }
- W4313265329 abstract "The tetragonal heavy-fermion compound ${mathrm{CeAuSb}}_{2}$ (space group $P4/nmm$) exhibits incommensurate spin-density wave (SDW) order below ${T}_{N}ensuremath{approx}6.5phantom{rule{4pt}{0ex}}text{K}$ with the propagation vector ${mathbf{q}}_{A}=({ensuremath{delta}}_{A},{ensuremath{delta}}_{A},1/2)$. The application of uniaxial stress along the [010] direction induces a sudden change in the resistivity ratio ${ensuremath{rho}}_{a}/{ensuremath{rho}}_{b}$ at a compressive strain of $ensuremath{epsilon}ensuremath{approx}ensuremath{-}0.5$%. Here we use neutron scattering to show that the uniaxial stress induces a first-order transition to a SDW state with a different propagation vector $(0,{ensuremath{delta}}_{B},1/2)$ with ${ensuremath{delta}}_{B}=0.25$. The magnetic structure of the new (B) phase consists of Ce layers with ordered moments alternating with layers with zero moment stacked along the $c$ axis. The ordered layers have an up-up-down-down configuration along the $b$ axis. This is an unusual situation in which the loss of spatial inversion in a metallic system is driven by the magnetic order. We argue that the change in SDW wave vector leads to Fermi-surface reconstruction and a concomitant change in the transport properties." @default.
- W4313265329 created "2023-01-06" @default.
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- W4313265329 date "2022-12-16" @default.
- W4313265329 modified "2023-09-28" @default.
- W4313265329 title "Spin-density-wave order controlled by uniaxial stress in <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:msub><mml:mrow><mml:mi>CeAuSb</mml:mi></mml:mrow><mml:mn>2</mml:mn></mml:msub></mml:math>" @default.
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- W4313265329 doi "https://doi.org/10.1103/physrevb.106.224415" @default.
- W4313265329 hasPublicationYear "2022" @default.
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