Imam Mohammad Ibn Saud Islamic University

Karem Abdelazim Gaber Mahmoud

Mamduh Jamil Aljaafreh

Mohammad Wasef Marashdeh

Islam Gamal Ibrahim Ali Alhindawy

A nanocomposite includes a zirconia matrix and a metal oxide dispersed in the zirconia matrix and selected from the group consisting of bismuth oxide and tungsten oxide. The nanocomposite is in the form of nanoparticles having an average size of 5-25 nm. A linear attenuation coefficient of the nanocomposite is higher than a linear attenuation coefficient of pure zirconia for gamma-rays having energies of 0.059 MeV to 0.662 MeV. The nanocomposite includes, based on a total weight of the nanocomposite, 40-60 wt. % of Zr, 20-30 wt. % of O, and 20-30 wt. % of Bi or W.

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Riyadh, Saudi Arabia

Karem Abdelazim Gaber Mahmoud