Zobrazeno 1 - 10
of 15
pro vyhledávání: '"M. K. El Nimr"'
Publikováno v:
Journal of Alloys and Compounds. 739:327-334
The hexagonal ferrite BaFe12O19 (BaM) has been prepared by the citrate precursor method. The synthesized sample has been sintered at 1000, 1100 and 1200 °C for 24 h and 1300 °C for 62, 124 and 148 h to examine the effect of both sintering temperatu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d52c3e2bc3734c0507beca18c032fcb
https://doi.org/10.1016/j.jallcom.2017.12.228
https://doi.org/10.1016/j.jallcom.2017.12.228
Publikováno v:
Journal of Magnetism and Magnetic Materials. 386:25-30
A low cost vibrating sample magnetometer (VSM) has been constructed by using an electromagnet and an audio loud speaker; where both are controlled by a data acquisition device. The constructed VSM records the magnetic hysteresis loop up to 8.3 KG at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bd2b32a6a911591899f14e78fff2b70
https://doi.org/10.1016/j.jmmm.2015.03.051
https://doi.org/10.1016/j.jmmm.2015.03.051
Publikováno v:
International Journal of Polymer Analysis and Characterization. 14:652-665
The frequency dependence of the dielectric properties and dc conductivity (σ dc ) of polyaniline samples that have been prepared in a conducting state by a chemical method using Fenton's reagent were investigated. These samples were prepared at cons
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17d02a8e7a2030760fb8b30f7cc25f74
https://doi.org/10.1080/10236660903234827
https://doi.org/10.1080/10236660903234827
Publikováno v:
Proceedings of Indian National Science Academy, Vol 53, Iss 2A (2015)
Low Sintering and Electrical Conductivity of Li-doped BaZrO3 Ceramics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::b2b5b3f407925135277412311832ccf4
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol53A_1987_2_Art04.pdf
https://insa.nic.in/writereaddata/UpLoadedFiles/PINSA/Vol53A_1987_2_Art04.pdf
Publikováno v:
Journal of Applied Polymer Science. 99:3370-3379
Polypyrrole samples that have been prepared in a conducting state by a chemical method using two different oxidizing agents, ferric chloride and potassium persulphate, in different concentrations have been transformed to a dielectric state by heating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0065e9893164d18ff45785434b5ff33
https://doi.org/10.1002/app.23054
https://doi.org/10.1002/app.23054
Publikováno v:
Solid State Communications. 115:109-113
Dynamic dielectric measurements are carried out for NiGaxFe2−xO4 ferrites with 0.0≤x≤2.0 over the frequency range 102 to 105 Hz at temperature between 300 and 900 K. The variation of dielectric permittivity e′ with frequency at different temp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03b5be88f3b7ccb3694245b50e92828e
https://doi.org/10.1016/s0038-1098(00)00156-3
https://doi.org/10.1016/s0038-1098(00)00156-3
Publikováno v:
Hyperfine Interactions. 96:91-98
Ferrites of the system CuCrxFe2−xO4, wherex=0,0.2,0.4, 0.6 and 0.8, have been studied by Mossbauer and IR absorption spectra. Mossbauer spectra were recorded at room temperature. The spectra of all samples showed two well defined Zeeman patterns co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e4239b6fa9bcf7dd7d42a4e43adcc86
https://doi.org/10.1007/bf02066275
https://doi.org/10.1007/bf02066275
Publikováno v:
Phase Transitions. 54:137-142
The DC electrical resistivity (p) was studied for Co substituted SbNi ferrites as a function of temperature and composition. The experimental results showed that DC resistivity, Curie temperature and activation energies for electrical conduction incr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e6af3218954e3703ad64f59d7cfdc6f
https://doi.org/10.1080/01411599508200407
https://doi.org/10.1080/01411599508200407
Publikováno v:
Physica Status Solidi (a). 143:379-384
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4f821fee012817fd337785543905c25
https://doi.org/10.1002/pssa.2211430223
https://doi.org/10.1002/pssa.2211430223
Autor:
Gh. F. Ali, S. A. Saafan, T. Sharshar, M. K. El Nimr, Ali Al-Hajry, Ahmad Umar, Hamoud Al-Harbi, Nadir Bouarissa, Hamid Berriche, Mohammed El-Ghazaly
Publikováno v:
AIP Conference Proceedings.
Nano particles of Ni1−xMgxFe2O4 (x = 0.0, 0.25, 0.5, 0.75, 1) have been prepared by the co‐precipitation chemical method. The prepared powder has been sintered at 1073 K for 5 hours. The X‐ray diffraction analysis and IR spectroscopy ensure the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82036c68a89919f65203f72741fa74ee
https://doi.org/10.1063/1.3638094
https://doi.org/10.1063/1.3638094