Please, Can anyone state the values of bond energies for homopolar and heteropolar chemical bond of Cd, S, Se, Ge, As, Cu, In and Ir elements?

More Ahmed Saeed Hassanien's questions See All

Please, I would like to ask about the availability of JCPDS software. I hope if any one can provide me this software to help me and who needs it?

I would like If it is possible to share the link which anyone can connect it and can download the ICDD Database software. Thank you in advance.

02 March 2018 2,749 0 View

What are the great differences between FESEM and TEM??

What are the great differences between FESEM and TEM?? Is TEM essential to define the crystal lattice and crystal defects of the nanoparticles, or XRD is more accurate than TEM to define the same?

31 December 2017 1,781 6 View

Please, Could any one mention the web link to download the JCPDS software or to download the CD of PDF cards of inorganic materials.

Dear colleagues ... My great greetings ... Please, Could any one mention the web link to download the JCPDS software or to download the CD of PDF cards of inorganic materials. Thank you in advance.

04 May 2017 1,527 18 View

Dear colleagues, What about the growth of powder nanoparticles !!??

Is there a prefered orientation for the powder nanoparticles formation? Are there a probable defects may be occurred like those formed in case of the thin-film texture? Can XRD detect...

09 October 2016 1,376 2 View

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs?

Please, Can any one inform me if XRD can detect the different types of the crystalline imperfections ? What are the used software programs? are there free programs can determine these defects? If...

04 May 2016 6,206 4 View

Why RG does not announce about the research works which recorded the highest reading through the ended week?

I Suggest that RG should give a list for the most read articles which have been read through the ended week in each field. Where the article that records more reading may reflect its importance in...

03 April 2016 697 13 View

Are there any confirmed ways to prepare a glassy system without resorting to the phase diagram?

When preparing a ternary glassy system we resort to the phase diagram of that composition to know the probable percentage of its constituent elements and to know the probable regions of the...

01 February 2016 7,367 3 View

Is Vegard's law valid to calculate the optical energy gap of glassy chalcogenide (II-VI) alloys?

Vegard predicted to calculate theoretically the optical energy gap of crystalline systems for the III-V systems. Does this law valid to calculate the optical energy gap of glassy chalcogenides...

07 August 2015 4,890 3 View

Why does the resistivity of an alloy need to be between those of its components, or at least similar to them?

The resistivity of an alloy should be between those of its components, or at least similar to them. But practically, it was found that, it was much higher than that of either component.

02 March 2015 6,837 10 View

Why is the resistance of an disordered alloy so high?

the resistance of an disordered alloy is found so high and larger than the crystalline alloy of the same composition. What is the interpretation of this behaviour?

02 March 2015 637 8 View

Fabrication of narrow glass capillary (inner diameter 200~500 nm)?

I need a very narrow glass capillary for my research. How can I make a glass capillary with an inner diameter of around 200 to 500 nanometers?

08 August 2024 8,915 0 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

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08 August 2024 8,329 0 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

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07 August 2024 1,028 0 View

Should I include H atom into C3N5 when i am doing DFT modelling?

Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...

07 August 2024 8,414 2 View

Do you know best conditions for formation of best REE deposits?

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03 August 2024 6,930 2 View

What is the best conditions for formation of REE ore deposits?

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31 July 2024 7,366 1 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

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30 July 2024 6,420 1 View

CAD File of human's & rat's respiratory airways ?

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29 July 2024 1,092 2 View

What is the best method to detect the chemical composition of pollen ?

I have multiple small samples of grass pollen with anthers. I want to find a method to identify concentrations of proteins, lipids, and other various elements for these samples. any suggestions?

28 July 2024 5,331 1 View

How Can I Apply Hashin Damage Properties to Solid Elements in Abaqus Without Using VUMAT?

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28 July 2024 8,169 0 View

Gergo Vassilev

About first question- check the CRC's "Handbook of chemistry and physics".

Ahmed Saeed Hassanien

With the help of my Friend Dr. K. Aly and link www.webelelments.com

I got the tables of the chemical bond energies and their strengths.

Thanks for Prof. Dr. K. Aly and Dr.Gergo Vassilev. and for all followers