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title:(Exchange AND Interactions AND in AND EuO AND and AND EuS)

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10 items by relevance
1 Journal article

Exchange Interactions in EuO and EuS

Passell, L.; Dietrich, O. W.; Als‐Nielsen, J.

Aip Conference Proceedings — 1972, Volume 5, Issue 1, pp. 1251-1255

We have used inelastic neutron scattering techniques to measure the spin‐wave dispersion curves within the first Brillouin zone of polycrystalline EuO and EuS. Least squares fitted values of the n.n. and n.n.n. exchange constants J1 and J2 are in fair agreement with previously reported results

Year: 1972

Language: Undetermined

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a lpe om nijdgcbkfh
2 Conference paper

Exchange Interactions in EuO and EuS

Passell, L.; Dietrich, O. W.; Als-Nielsen, Jens Aage

Magnetism and Magnetic Materials — 1972, pp. 1251-1255

Year: 1972

Language: English

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kdmbpg a ihcefljno
3 Journal article

Neutron Scattering from the Heisenberg Ferromagnets EuO and EuS. I. The Exchange Interactions

Passell, L.; Dietrich, O. W.; Als-Nielsen, Jens Aage

Physical Review B — 1976, Volume 14, Issue 11, pp. 4897-4907

Inelastic-neutron-scattering methods have been used to measure the spin-wave spectrum in EuO and EuS over the entire Brillouin zone. The samples were polycrystalline powders enriched in 153Eu. Defining the interaction between pairs of spins to be -2JnmS⃗n·S⃗m, we obtained for EuO, J1/kB=0.606±0.008

Year: 1976

Language: English

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