Optical investigation of the electronic structure of bulk Rh and Ir | Zendy

J. H. Weaver | Zendy; C. G. Olson | Zendy; D. W. Lynch | Zendy

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Optical investigation of the electronic structure of bulk Rh and Ir

Author(s) -

J. H. Weaver,

C. G. Olson,

D. W. Lynch

Publication year - 1977

Publication title -

physical review. b, solid state

Language(s) - English

Resource type - Journals

ISSN - 0556-2805

DOI - 10.1103/physrevb.15.4115

Subject(s) - photon energy , absorption (acoustics) , dielectric , range (aeronautics) , plasmon , electronic band structure , electron , omega , atomic physics , surface plasmon , dielectric function , photon , materials science , physics , energy (signal processing) , electronic structure , condensed matter physics , optics , optoelectronics , quantum mechanics , composite material

Optical-reflectivity data are presented for Rh and Ir for a photon energy range between 0.2 and 40 eV. Strong interband structures are observed in the calculated dielectric functions and optical conductivities, and these are discussed in terms of recent energy-band calculations. The dielectric functions are used to calculate the electron-energy-loss functions. Both metals are shown to possess the characteristic double pair of surface and volume plasmons, though the higher-energy pair is strongly distorted by interband absorption occurring near ħωp.

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