Abstract
Effects of pressure and impurities on the magnetic excitation peak at ℏω = 4 meV are studied by neutron scattering on CeNiSn. The high pressure remarkably affects the magnetic excitation: at P = 6kbar the excitation shifts to a higher energy region; at P = 11 kbar the excitation peak disappears below 7 meV. The increase of the peak energy at 6kbar is consistent with the explanation by the particle-hole excitation over the hybridization gap. The sample quality, metallic or semiconducting, has no effect on the magnetic excitation spectrum.
Original language | English |
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Pages (from-to) | 664-666 |
Number of pages | 3 |
Journal | Physica B: Condensed Matter |
Volume | 230-232 |
DOIs | |
Publication status | Published - 1997 Feb |
Externally published | Yes |
Keywords
- CeNiSn
- Kondo insulator
- Neutron scattering
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Electrical and Electronic Engineering