Search results for "antiferromagnetism"

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One‐magnon Raman scattering in Ni c Mg 1–c O solid solutions

2005

The one-magnon Raman scattering was studied for the first time in antiferromagnetic NicMg1–cO solid solutions as a function of temperature and composition. We found that (i) the one-magnon frequency extrapolated to T = 0 K experiences an abrupt change between c = 0.99 and c = 0.9 and (ii) the one-magnon energy for highly diluted nickel oxide vanishes significantly below the Neel temperature. The obtained dependences are compared to the theoretical predictions within the mean field approximation. (© 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

symbols.namesakeCondensed matter physicsMean field theoryChemistryNickel oxideMagnonsymbolsAntiferromagnetismCondensed Matter::Strongly Correlated ElectronsNéel temperatureRaman scatteringSolid solutionphysica status solidi (c)

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