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Amplitude mode of charge density wave in TTF [ Ni ( dmit ) 2 ] 2 observed by electronic Raman scattering
- Source :
- Physical Review B, Physical Review B, American Physical Society, 2021, 103 (3), ⟨10.1103/PhysRevB.103.035139⟩, Physical Review B, 2021, 103 (3), ⟨10.1103/PhysRevB.103.035139⟩
- Publication Year :
- 2021
- Publisher :
- HAL CCSD, 2021.
-
Abstract
- International audience; We measured the optical signature of charge density waves (CDWs) in the multiband conductor TTF[Ni(dmit)2]2 by electronic Raman scattering. At low energies, a hump develops below 60 K. This hump is associated to the amplitude mode of the CDW with an energy around 9 meV. Raman symmetry-resolved measurements show that the CDW amplitude mode is anisotropic and that the CDW can be associated to the band nesting of Ni(dmit)2 chains.
Details
- Language :
- English
- ISSN :
- 24699950 and 24699969
- Database :
- OpenAIRE
- Journal :
- Physical Review B, Physical Review B, American Physical Society, 2021, 103 (3), ⟨10.1103/PhysRevB.103.035139⟩, Physical Review B, 2021, 103 (3), ⟨10.1103/PhysRevB.103.035139⟩
- Accession number :
- edsair.dedup.wf.001..176f69049cdfa726f06ca39fd0becb0c
- Full Text :
- https://doi.org/10.1103/PhysRevB.103.035139⟩