s.a Hejazi

7 Questions 8 Answers 0 Followers

Questions related from s.a Hejazi

What's the relationship between PL peak intensity and the number of electron-hole pairs?

I have a few questions about photoluminescence. Please advise if possible. What's the relationship between PL peak intensity and the number of electron-hole pairs? Why does this intensity decrease...

05 May 2018 2,968 4 View

How do I calculate the absorption coefficient for the nanoparticles?

I have absorption spectra to calculate the optical band gap. I needed absorption coefficient.Do the following equation is valid for nanoparticles?

03 March 2017 583 2 View

How can recognize the different phases of thetransmission electron microscopy?

I have two phases in the composite. Can you definitively say which phase in the core and what is the shell?

03 March 2017 6,396 6 View

How do I determine the type of band gap by UV-vis absorption measurement?

Do you have a matter several type optical gap and why? Type band gap zn2sno4, is in most articles direct transition but in some papers is direct-forbidden transition Like the two following article...

02 February 2017 7,249 6 View

What setup is required for the production vapor ethanol by liquid ethanol to check sensing properties a material?

11 November 2015 6,872 2 View

How can be a relatively pure vapor ethanol obtained of liquid ethanol?

i want vapor ethanol to investigate a sensor

10 October 2015 7,258 0 View

Eed Endorsement Code for the hep-th (High Energy Physics - Theory) archive of arXiv. please send me this code.How do I get this code?

I requests your endorsement to submit an article to thehep-th section of arXiv. I need Endorsement Code for the hep-th (High Energy Physics - Theory)archive of arXiv. please send me this code.

01 January 1970 9,494 0 View