Matches in SemOpenAlex for { <https://semopenalex.org/work/W1992175458> ?p ?o ?g. }
- W1992175458 abstract "The crystal structures of perovskites ${text{NdCoO}}_{3}$ and ${text{PrCoO}}_{3}$ have been studied by neutron powder diffraction over a temperature range from 100 to 1000 K. An anomalous isotropic expansion of ${text{CoO}}_{6}$ octahedra is observed at two successive temperatures corresponding to the spin transitions of ${text{Co}}^{3+}$ from low spin (LS) $(S=0)$ to high spin (HS) $(S=2)$ and intermediate spin (IS) $(S=1)$. At the second spin transition, a significant change in the octahedral tilt is encountered, as well. The heat capacity measurements show broad excess peaks at both transitions and the integral entropy change for each of them is estimated to be $ensuremath{approx}10text{ }text{J}text{ }{text{K}}^{ensuremath{-}1}text{ }{text{mol}}^{ensuremath{-}1}$. The structural and specific heat anomalies are interpreted within the LS-LS/HS-IS model of the ${text{Co}}^{3+}$ spin transitions." @default.
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- W1992175458 date "2009-04-03" @default.
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- W1992175458 title "Neutron diffraction and heat capacity studies of<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mtext>PrCoO</mml:mtext></mml:mrow><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>and<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline><mml:mrow><mml:msub><mml:mrow><mml:mtext>NdCoO</mml:mtext></mml:mrow><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>" @default.
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- W1992175458 doi "https://doi.org/10.1103/physrevb.79.134103" @default.
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