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Fascinating Study of the Physical Properties of a Novel Nanometric Delafossite for Biomedical Applications

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Abstract

A low-cost flash auto-combustion technique was used to prepare Cr-doped Ag nanoparticles at 400°C. By increasing double and half Cr ions to Ag nanoparticles, a fascinating improvement in the physical properties was displayed. X-ray analysis confirmed that the samples were of single-phase spinel structure. Fourier-transform infrared analysis showed the intrinsic cation vibrations of the spinel structure. The morphology confirmed that all the samples were in the nanoscale range. The nanoparticle AgCrO2 had saturation magnetization (Ms) nearly 1.09-fold larger than that of Ag0.5Cr2.5O4. However, the coercivity (Hc) of the Ag0.5Cr2.5O4 nanoparticles increased nearly 1.3-fold more than that of AgCrO2. The antimicrobial activity of both samples was studied and demonstrated that nanoparticle Ag0.5Cr2.5O4 is a novel material that can be added to various drugs. Consequently, the improvement of AgCrO2 to Ag0.5Cr2.5O4 nanoparticles with a superparamagnetic nature makes them suitable to be used in biomedical applications, especially antibacterial.

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Authors and Affiliations

  1. Physics Department, Faculty of Science, Cairo University, Giza, Egypt

    Asmaa. A. H. El-Bassuony

  2. Physics Department, Higher Institute of Engineering, New Cairo Academy, New Cairo, Egypt

    H. K. Abdelsalam

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  1. Asmaa. A. H. El-Bassuony
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  2. H. K. Abdelsalam
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Correspondence to Asmaa. A. H. El-Bassuony.

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El-Bassuony, A.A.H., Abdelsalam, H.K. Fascinating Study of the Physical Properties of a Novel Nanometric Delafossite for Biomedical Applications. JOM 71, 1866–1873 (2019). https://doi.org/10.1007/s11837-019-03415-w

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