Observation and theory of new line in far-infrared absorption in antiferromagnetic FeF2

J. Woods Halley; I. Silvera

doi:10.1063/1.1708407

Observation and theory of new line in far-infrared absorption in antiferromagnetic FeF₂

J. Woods Halley, I. Silvera

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

Abstract

A many-ion spin-orbit interaction in magnetic materials is pointed out which explains the existence of a previously anomalous infrared absorption line at a frequency of 154 cm^-1 in antiferromagnetic FeF₂. The interaction also provides a possible explanation for the existence of a magnon sideband recently observed in the antiferromagnet MnF₂. The experiments on FeF₂ are described and compared with the theory.

Original language	English (US)
Pages (from-to)	1226-1227
Number of pages	2
Journal	Journal of Applied Physics
Volume	37
Issue number	3
DOIs	https://doi.org/10.1063/1.1708407
State	Published - 1966

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10.1063/1.1708407

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abstract = "A many-ion spin-orbit interaction in magnetic materials is pointed out which explains the existence of a previously anomalous infrared absorption line at a frequency of 154 cm-1 in antiferromagnetic FeF2. The interaction also provides a possible explanation for the existence of a magnon sideband recently observed in the antiferromagnet MnF2. The experiments on FeF2 are described and compared with the theory.",

author = "Halley, {J. Woods} and I. Silvera",

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AB - A many-ion spin-orbit interaction in magnetic materials is pointed out which explains the existence of a previously anomalous infrared absorption line at a frequency of 154 cm-1 in antiferromagnetic FeF2. The interaction also provides a possible explanation for the existence of a magnon sideband recently observed in the antiferromagnet MnF2. The experiments on FeF2 are described and compared with the theory.

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Observation and theory of new line in far-infrared absorption in antiferromagnetic FeF₂

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