Optics of Chromites and Charge‐Transfer Transitions | Zendy

A. V. Zenkov | Zendy

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Optics of Chromites and Charge‐Transfer Transitions

Author(s) -

A. V. Zenkov

Publication year - 2008

Publication title -

physics research international

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.136

H-Index - 13

eISSN - 2090-2239

pISSN - 2090-2220

DOI - 10.1155/2008/749305

Subject(s) - octahedron , spectrum (functional analysis) , charge (physics) , cluster (spacecraft) , dipole , materials science , spectral line , operator (biology) , transfer matrix , transfer matrix method (optics) , matrix (chemical analysis) , stochastic matrix , atomic physics , molecular physics , physics , optics , computer science , quantum mechanics , chemistry , ion , biochemistry , repressor , machine learning , transcription factor , markov chain , composite material , computer vision , gene , programming language

Specific features of the charge-transfer (CT) states and O2p→Cr3d transitions in the octahedral (CrO6)9− complex are considered in the cluster approach. The reduced matrix elements of the electric-dipole transition operator are calculated on many-electron wave functions of the complex corresponding to the initial and final states of a CT transition. Modeling the optic spectrum of chromites has yielded a complicated CT band. The model spectrum is in satisfactory agreement with experimental data which demonstrates the limited validity of the generally accepted concept of a simple structure of CT spectra

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