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Questions related from Reda M. Zaki
Good day! Does anybody know a company providing on-demand platinum machining service? Thank you in advance for your help! Kind regards, Reda
15 February 2019 9,477 3 View
Hello, As the title suggests, could you please give some insights concerning the interaction between polarized light and weak attractive Van der Waals forces between molecules in a solid material...
15 February 2017 6,395 5 View
Hello!Let's imagine a glass network (silica-based for instance) and some crystalline nanosized (< 5nm) particles are statistically distributed through this network. Indeed, by means of Raman...
18 March 2016 8,881 8 View
As the question title suggests, could you please let me know if there is a company that fabricates laboratory-scale twin-roller quenching devices? Thank you in advance! Kind regards,
04 December 2014 5,149 1 View
As the question title suggests, I am wondering about the peculiarities of DTA curve of glasses (and particularly inorganic glasses) that require fast quenching rates, e.g. TeO2 glass. More...
24 June 2014 8,629 7 View
I am trying to synthesize a crystalline inorganic compound with a very low tendency of devitrification. A posteriori, XRD patterns reveal the presence of a non-negligible amount of amorphous...
22 May 2014 1,635 14 View
As the name suggests, mixed-valence/oxidation state inorganic compounds contain mixed valent elements. For instance, the both oxidation states of Tellurium atoms (IV and VI) have been found...
28 April 2014 9,594 3 View
To be more clear, how can you explain that the Raman spectrum of a bulk glass sample features some other variations than that of the powder of the same bulk glass?
15 April 2014 8,627 16 View
To be more clear, is there any specific procedure permitting rapid quenching of pure Tellurium dioxide (conditional glass former) melts in liquid Nitrogen?
31 March 2014 9,698 10 View
In Alkali tellurite glasses, the glass forming tendency varies in terms of the material composition. In other words, compositions with a low content of the modifier (Alkali oxide) are more...
02 March 2014 302 2 View
