<P>We have made the first inelastic neutron scattering measurements on single crystal PrB<SUB>6</SUB>, studying the magnetic excitations in the ordered phases. The lowest energy mode has a minimum energy of ≈1.0 meV at the ma...
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https://www.riss.kr/link?id=A107635636
2008
-
SCI,SCIE,SCOPUS
학술저널
104231
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>We have made the first inelastic neutron scattering measurements on single crystal PrB<SUB>6</SUB>, studying the magnetic excitations in the ordered phases. The lowest energy mode has a minimum energy of ≈1.0 meV at the ma...
<P>We have made the first inelastic neutron scattering measurements on single crystal PrB<SUB>6</SUB>, studying the magnetic excitations in the ordered phases. The lowest energy mode has a minimum energy of ≈1.0 meV at the magnetic zone centre, with a significant dispersion along the [001] direction, but very little dispersion along [110]. Interactions out to fourth nearest neighbours are required to explain the [001] dispersion. Measurements of the temperature dependence of the excitations show a strong softening and broadening of the lowest energy mode at the magnetic zone centre between 2 K (commensurate phase) and 5 K (incommensurate phase). </P>