Resonant electron-phonon coupling in CeAl2

G. Güntherodt; E. Zirngiebl; S. Blumenröder; A. Jayaraman; B. Batlogg; Mark Croft; E. Melczer

doi:10.1016/0304-8853(85)90427-5

Resonant electron-phonon coupling in CeAl₂

G. Güntherodt, E. Zirngiebl, S. Blumenröder, A. Jayaraman, B. Batlogg, Mark Croft, E. Melczer

School of Arts and Sciences, Physics & Astronomy

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

12 Scopus citations

Abstract

The resonant coupling of the Γ⁺₅ phonon to the Γ₇-Γ₈ CEF excitations in CeAl₂ is probed by Raman scattering via the simultaneous observation of the renormalized (Γ̃⁺₆) phonon and the phonon bound state. This represents the "phononic analogue" to the instantaneous observation of electronic charge fluctuations by XPS in intermediate valence compounds.

Original language	English (US)
Pages (from-to)	315-317
Number of pages	3
Journal	Journal of Magnetism and Magnetic Materials
Volume	47-48
Issue number	C
DOIs	https://doi.org/10.1016/0304-8853(85)90427-5
State	Published - Feb 1985

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Resonant electron-phonon coupling in CeAl2",

abstract = "The resonant coupling of the Γ+5 phonon to the Γ7-Γ8 CEF excitations in CeAl2 is probed by Raman scattering via the simultaneous observation of the renormalized ({\~Γ}+6) phonon and the phonon bound state. This represents the {"}phononic analogue{"} to the instantaneous observation of electronic charge fluctuations by XPS in intermediate valence compounds.",

author = "G. G{\"u}ntherodt and E. Zirngiebl and S. Blumenr{\"o}der and A. Jayaraman and B. Batlogg and Mark Croft and E. Melczer",

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T1 - Resonant electron-phonon coupling in CeAl2

AU - Güntherodt, G.

AU - Zirngiebl, E.

AU - Blumenröder, S.

AU - Jayaraman, A.

AU - Batlogg, B.

AU - Croft, Mark

AU - Melczer, E.

PY - 1985/2

Y1 - 1985/2

N2 - The resonant coupling of the Γ+5 phonon to the Γ7-Γ8 CEF excitations in CeAl2 is probed by Raman scattering via the simultaneous observation of the renormalized (Γ̃+6) phonon and the phonon bound state. This represents the "phononic analogue" to the instantaneous observation of electronic charge fluctuations by XPS in intermediate valence compounds.

AB - The resonant coupling of the Γ+5 phonon to the Γ7-Γ8 CEF excitations in CeAl2 is probed by Raman scattering via the simultaneous observation of the renormalized (Γ̃+6) phonon and the phonon bound state. This represents the "phononic analogue" to the instantaneous observation of electronic charge fluctuations by XPS in intermediate valence compounds.

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JF - Journal of Magnetism and Magnetic Materials

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