Lattice vibrations and electronic transitions in the rare-earth metals: Praseodymium under pressure
- Praseodymium was investigated by Raman spectroscopy under pressure. A negative pressure shift of the E2g mode is observed in the dhcp phase, which indicates that the initial structural sequence hcp→Sm−type→dhcp→fcc as a whole in the regular lanthanides is associated with a softening of this mode. The pressure response of the phonon modes, observed in the monoclinic and α-uranium phases, where 4fPraseodymium was investigated by Raman spectroscopy under pressure. A negative pressure shift of the E2g mode is observed in the dhcp phase, which indicates that the initial structural sequence hcp→Sm−type→dhcp→fcc as a whole in the regular lanthanides is associated with a softening of this mode. The pressure response of the phonon modes, observed in the monoclinic and α-uranium phases, where 4f bonding becomes important, is characteristic for anisotropic bonding properties.…
Document Type: | Article (reviewed) |
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Zitierlink: | https://opus.hs-offenburg.de/3492 | Bibliografische Angaben |
Title (English): | Lattice vibrations and electronic transitions in the rare-earth metals: Praseodymium under pressure |
Author: | Helmut Olijnyk, Walter A. GroßhansGND, Andrew P. Jephcoat |
Year of Publication: | 2004 |
Publisher: | American Physical Society |
Page Number: | 9 |
Parent Title (English): | Physical Review Letters |
Volume: | 93 |
Issue: | 25 |
DOI: | https://doi.org/10.1103/PhysRevLett.93.255505 |
URL: | https://www.researchgate.net/publication/8034610 |
Language: | English | Inhaltliche Informationen |
Institutes: | Fakultät Elektrotechnik und Informationstechnik (E+I) (bis 03/2019) |
Institutes: | Bibliografie |
GND Keyword: | Elektronik; Metallgitter; Übertragung | Formale Angaben |
Open Access: | Open Access |
Licence (German): | Urheberrechtlich geschützt |