Browsing by Author "Salah, S. H."

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Mossbauer Effect Study of the Cations Distribution and its Influence on the Electric Field Gradient of the Cdx Co1-x Ferrite System

Eissa, N. A. [نبيل عيسى]; Sallam, H.A.; Salah, S.H.; Goma, S.S. ( Qatar University , 1982 , Article)
In the ferrite system Cd,Co,_x Fe; 04 (X=0.0, O.I, 0.2, ....... , 1.0). it was found that the introduction of Co2'1' decrease the EFG at the octahedral B-site. This was attributed to the distributions of the different ...
Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect

Eissa, N. A. [نبيل عيسى]; Fayek, M. K.; Hassan, M. Y.; Salah, S. H.; Sallam, H. A. ( Qatar University , 1981 , Article)
The magnetic properties and lattice dynamics of the spinel ferrite system Cdx Coi-x Fe^ 04 (x = 0.0, 0.1, . . . , and 1.) were studied in the temperature range between 78 to 800°K. The results showed that the samples with ...
Study of the Hydration of Blast-Furnace Slag Cement and Portland Cement by Mossbauer Spectroscopy

Eissa, N. A. [نبيل عيسى]; Hassaan, M. Y.; Salah, S. H.; Sallam, H. A.; Abo-El-Enein, S.A. ( Qatar University , 1982 , Article)
Mossbauer spectra have been measured for the hydrated blast-furnace slag cement and Portland cement pastes at different times of hydration of 1. 3. 7. 28 and 90 days. The spectra showed the existence of iron atoms, Fe3 (T) ...