Transport and band structure studies of crystalline ZnRh2 O4

Negar Mansourian-Hadavi, Supaporn Wansom, Nicola H. Perry, Arpun R. Nagaraja, Thomas O. Mason, Lin Hui Ye, Arthur J. Freeman

    Research output: Contribution to journalArticlepeer-review

    32 Citations (Scopus)


    We report the synthesis and characterization of non- d10 p -type transparent conducting oxides of the normal spinel ZnRh2 O4. Undoped ZnRh2 O4 was successfully prepared by means of bulk solid-state synthesis. The conduction mechanism and bulk defect chemistry of polycrystalline sintered pellets of ZnRh2 O4 were studied through electrical conductivity and Seebeck coefficient measurements, in defect equilibrium at elevated temperature under controlled atmospheres. Optical diffuse reflectance measurements were also carried out to evaluate band gap. The data were analyzed in terms of an activated mobility (small polaron conduction), with a hopping energy of 0.25 eV. Results from band structure calculations by LDA+U and optical band-gap measurement by UV-visible spectrometry are in good agreement with literature data.

    Original languageEnglish
    Article number075112
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Issue number7
    Publication statusPublished - Feb 17 2010

    All Science Journal Classification (ASJC) codes

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics


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