Zobrazeno 1 - 10
of 17
pro vyhledávání: '"W. M. Gamal"'
Publikováno v:
JOM. 74:4898-4908
A novel nanocomposite consisting of 0.3 cobalt lanthanum nanoferrite/0.7 lanthanum perovskite–hematite nanoparticles (CoLa/LaH) and lanthanum perovskite–hematite nanoparticles (LaH) was synthesized using a simple method. The crystallite size was
Publikováno v:
JOM. 74:2635-2644
In this work, the effects of silver nanoferrite and nanochromite (Ag2Fe2O2, Ag2Cr2O4) were studied using the flash auto-combustion technique. Numerous physical properties were clarified from the different structures determined from the x-ray examinat
Publikováno v:
Polymer Bulletin.
In this work, Ag0.5Cr2.5O4 nanochromite is fabricated utilizing a simple process (flash technique) at various annealing temperatures (room and 900 °C). The particle sizes of the materials under study were shown to be in the nanoscale range by atomic
Publikováno v:
JOM. 74:2656-2664
Nanometric AgFeO2 and AgCrO2 delafossite were easily prepared by the flash auto-combustion method. The two main bands estimated from FTIR (Fourier-transform infrared) analysis were the tetrahedral A-site (573 cm−1 for AgFeO2, 630 cm−1 for AgCrO2)
Publikováno v:
The European Physical Journal Special Topics.
Different magnetic materials of spinel copper and cobalt nanoferrites added to silver–magnetite nanoparticles were fabricated by a facile, low cost, and rapid auto-combustion method to form a nanocomposite. X-ray diffraction patterns and atomic for
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:21590-21602
Silver nanoferrite and nanochromite (Ag2Fe2O4, Ag2Cr2O4) were successfully prepared by the Flash method. The morphology was illustrated using Atomic force microscopy (AFM) to confirm that the particle size of the investigated samples in the nanoscale
Autor:
Ashraf F. El-Sherif, E. E. Yakimov, Mohamed Abd-El-Kader, Mohamed F. Kandeel, H. S. Ayoub, Ahmed S. Abdel-Rahman, Eugene B. Yakimov, W. M. Gamal, S. Bozhko, Seham K. Abdel-Aal
Publikováno v:
Acta Crystallographica Section B Structural Science, Crystal Engineering and Materials. 75:880-886
In this work the crystal structure by single crystal X-ray measurement and optical properties of 1D propane-1,2-diammonium pentachlorobismuthate [NH3CH2CH(NH3)CH3]BiCl5 organic–inorganic hybrid perovskite are presented. It is prepared by mixing eth
Autor:
W. M. Gamal, M. M. Abdel-Kader
Publikováno v:
Phase Transitions. 91:840-861
A cadmium-based organic–inorganic hybrid (n-C14H29NH3)2CdCl4 is synthesized and characterized, thermally and dielectrically. The differential scanning calorimetery (DSC) and the differential thermal analysis (DTA) thermograms were performed in a su
Publikováno v:
2017 Nineteenth International Middle East Power Systems Conference (MEPCON).
The conditions of any power system always keep on changing over time due to the continuous load variation nature of the system. The conventional relays that had been always used for power system protection face difficulties to comply and offer the re
Publikováno v:
Phase Transitions. 89:448-470
We report on some electrical properties and solid–solid phase transitions of organic–inorganic hybrid layered halide perovskite and intercalated compound (n-C12H25NH3)2ZnCl4 which is one member of the long-chain compounds of the series (n-CnH2n+1