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Electronic structure of nano-sized ZnO: A Compton profile study

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Abstract

The electronic structure of nano-sized ZnO using Compton scattering technique is reported. The nano-crystalline ZnO of size 10.5 nm is synthesized using the chemical route and characterized by XRD, SEM, TEM probes. Using 59.54 keV gamma-rays, the Compton profile measurements are performed on nano-sized as well as bulk ZnO. The present study reveals the narrower electron momentum density in nano-sized ZnO as compared to bulk sample. The ionic model based free atom Compton profiles for a number of configurations of Zn+xO−x (0.0 ≤ x ≤ 2.0) are also performed to estimate the charge transfer on compound formation. The present study suggests different amount of charge transfer from Zn to O atom in the nano-sized and bulk ZnO.

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Authors and Affiliations

  1. Department of Physics, University of Rajasthan, Jaipur, 302004, India

    R. Kumar, M. C. Mishra & B. K. Sharma

  2. Department of Physics, Banasthali University, Banasthali, 304022, India

    V. Vyas & G. Sharma

  3. Department of Pure & Applied Physics, University of Kota, Kota, 324010, India

    G. Sharma

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  1. R. Kumar
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  2. M. C. Mishra
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  3. B. K. Sharma
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  4. V. Vyas
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  5. G. Sharma
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Correspondence to G. Sharma.

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Kumar, R., Mishra, M.C., Sharma, B.K. et al. Electronic structure of nano-sized ZnO: A Compton profile study. Electron. Mater. Lett. 9, 19–23 (2013). https://doi.org/10.1007/s13391-012-2105-z

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  • DOI: https://doi.org/10.1007/s13391-012-2105-z

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