Observation of phonons with resonant inelastic x-ray scattering

被引：29

作者：

Yavas, H. ^{[1
,2
]}

van Veenendaal, M. ^{[1
,3
]}

van den Brink, J. ^{[5
]}

Ament, L. J. P. ^{[4
]}

Alatas, A. ^{[1
]}

Leu, B. M. ^{[1
]}

Apostu, M-O ^{[6
]}

Wizent, N. ^{[7
,8
]}

Behr, G. ^{[7
]}

Sturhahn, W. ^{[1
]}

Sinn, H. ^{[9
]}

Alp, E. E. ^{[1
]}

机构：

[1] Argonne Natl Lab, Adv Photon Source, Argonne, IL 60439 USA

[2] Univ Illinois, Dept Geol, Urbana, IL 61801 USA

[3] No Illinois Univ, Dept Phys, De Kalb, IL 60115 USA

[4] Leiden Univ, Inst Lorentz Theoret Phys, NL-2300 RA Leiden, Netherlands

[5] IFW Dresden, Inst Theoret Solid State Phys, D-01171 Dresden, Germany

[6] Alexandru Ioan Cuza Univ, Fac Chem, Iasi 700506, Romania

[7] Leibniz Inst Festkorper & Werkstoffforsch IFW Dre, D-01171 Dresden, Germany

[8] Kirchhoff Inst Phys, D-69120 Heidelberg, Germany

[9] European XFEL, D-22607 Hamburg, Germany

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2010年 / 22卷 / 48期

关键词：

COPPER-OXIDE SUPERCONDUCTORS; RAMAN-SCATTERING; SPECTROSCOPY; RESOLUTION; CUO;

D O I：

10.1088/0953-8984/22/48/485601

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Phonons, the quantum mechanical representation of lattice vibrations, and their coupling to the electronic degrees of freedom are important for understanding thermal and electric properties of materials. For the first time, phonons have been measured using resonant inelastic x-ray scattering (RIXS) across the Cu K-edge in cupric oxide (CuO). Analyzing these spectra using an ultra-short core-hole lifetime approximation and exact diagonalization techniques, we can explain the essential inelastic features. The relative spectral intensities are related to the electron-phonon coupling strengths.

引用

页数：5

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