Shaida Kakil

8 Questions 60 Answers 0 Followers

Questions related from Shaida Kakil

What is the best method to distinguish metal nanoparticles in water, given their very small size, without affecting their size?

What is the best method to distinguish and identify metal nanoparticles dispersed in water, given their very small size ( 3-5 nanometer ), while ensuring that the method used does not alter or...

11 July 2024 9,971 2 View

Please how can I get a manual (UserGuide) of Spectra-Physics Laser Series 2000 With 2560 Power Supply Aragon?

Please I need Spectra-Physics Laser Series 2000 With 2560 Power Supply Aragon(User Manual)+pdf how can get it?

26 October 2022 2,142 0 View

Does a higher-SPF sunscreen always protect your skin better than a lower-SPF sunscreen?how calculate SPF by UV visible spectroscopy ?

SPF (Sun protection factor) calculate by UV visible spectroscopy when sun screen film on Quartz substrate

05 March 2016 6,347 2 View

Please help me I need some papers about HRTEM images of silicon nanopartical ?

High-resolution transmission electron microscopy (HRTEM) or (HREM) is an imaging mode of the transmission electron microscope (TEM)

08 February 2016 8,342 4 View

How to explain the differences of XRD peak intensities of ZnO/Si(100)?

To be more clear, how can I explain the difference in the intensity of the same peaks 100 002 and 110?

09 April 2014 7,206 5 View

Why, when Silicon changes to Porous silicon, does the energy gap change to direct? Why is the energy gap in porous silicon increased?

Its clear that the surface of porous increased and energy gap depends on type of porous Silicon (Nonporous, Mesoporous and Macroporous) I think, this increase in energy gap comes from SiO2 bond...

03 April 2014 594 3 View

How do you explain sensitivity as a function of applied bias for a MSM photodetector device (non-ohmic)?

Sensitivity= Iph-Id/Id.

20 March 2014 212 2 View

How to explain the ratio of the relative intensities of XRD in the same material ?

For example the ratio of the relative intensities R (R =I(0 0 2)/I(1 0 0).

11 March 2014 8,042 3 View