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Two magnon light scattering in K2MnF4

โœ Scribed by W. Lehmann; R. Weber


Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
130 KB
Volume
45
Category
Article
ISSN
0375-9601

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One-magnon light scattering in exchange-
โœ I.M. Vitebskii; A.V. Yeremenko; Yu.G. Pashkevich; V.L. Sobolev; S.A. Fedorov ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 353 KB

It is shown that in an exchange-noncollinear four-sublattice antiferromagnet Nd2Cu04 an anomalously high intensity of light scattering from the exchange magnon should be observed. It makes it possible to determine directly the constant of the biquadratic exchange interaction.