Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Seyed Morteza Asgarian"'
Publikováno v:
Journal of Superconductivity and Novel Magnetism. 34:2933-2944
The cation and cation vacancy distributions in Zn2+ substituted maghemite (γ-Fe2 (1-x/3) ZnxO3, x = 0.0, 0.1, 0.2, 0.3 and 0.4) nanoparticles, which were synthesized directly via one pot room temperature co-precipitation method, were obtained by pos
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 503:37-44
Single-phase Ni-Cu ferrite nanoparticles have been prepared by sol–gel method and exposed using an Am-Be source for time periods of one and two months. The effects of irradiation on structure and magnetic properties of prepared nanoparticles are in
Publikováno v:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine. 189
The effects of gamma irradiation on structure and magnetic properties of nickel ferrite nanoparticles, prepared by the sol-gel method and sintered at 300, 500 and 900 °C, are studied through X-ray diffraction, positron annihilation lifetime spectros
Autor:
Seyed Morteza Asgarian, Z. Kargar
Publikováno v:
Iranian Journal of Physics Research. 19:291-301
Autor:
Z. Kargar, Seyed Morteza Asgarian, Mahmood Moradi, João Ventura, Shiva Karimi, Hossein Nikmanesh, Hadi Salamati, Parviz Kameli, B.D. Bordalo
Publikováno v:
RSC Advances. 7:22320-22328
A series of Zn and Co-substituted nickel ferrite nanoparticles of nominal composition Ni1−xZnxFe2−xCoxO4 (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) have been synthesized by the PVA assisted sol–gel method. The reported structural and magnetic properties
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 375:71-78
Single phase copper substituted nickel ferrite Ni 1 - x Cu x Fe 2 O 4 (x = 0.0, 0.1, 0.3 and 0.5) nanoparticles were synthesized by the sol–gel method. TEM images of the samples confirm formation of nano-sized particles. The Rietveld refinement of
Publikováno v:
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine. 125
In this work we investigated vacancies in maghemite and Zn substituted maghemite (γ-Fe2-yZn3y/2O3, y=0.0, 0.11, 0.24, 0.36, 0.50 and 0.66) nanoparticles using coincidence Doppler broadening and positron annihilation lifetime spectroscopy. Coincidenc
Autor:
Mohammad Eghbali-Arani, Saeid Pourmasoud, Seyed Morteza Asgarian, Ali Sobhani-Nasab, Z. Kargar
Publikováno v:
Materials Research Express. 6:015023
Copper substituted cobalt ferrite nanoparticles, Co1−xCuxFe2O4 (x = 0, 0.25, 0.5, 0.75, 1.0) were effectively synthesized by employing co-precipitation procedure. The structural and magnetic properties of nanoparticles were examined through x-ray d
Autor:
Seyed Morteza Asgarian, Saeid Pourmasoud, Zohreh Kargar, Ali Sobhani-Nasab, Mohammad Eghbali-Arani
Publikováno v:
Materials Research Express; Jan2019, Vol. 6 Issue 1, p1-1, 1p
Publikováno v:
Journal of Superconductivity & Novel Magnetism; Nov2021, Vol. 34 Issue 11, p2933-2944, 12p