Diman M .Abdullah

11 Questions 56 Answers 0 Followers

Questions related from Diman M .Abdullah

How can we calculate surface area of nano particles?

In HRTEM image Thanks a lot

03 March 2017 4,551 3 View

Any articles experimentally show size dependent lattice parameters of silicon nano particles?

Thanks for your help.....

12 December 2016 4,693 1 View

Any one have article about silicon nano particle ?

I need HR-TEM image of silicon nano particle If you have any article contain that images please send to me. thanks a lot

10 October 2016 4,609 4 View

Why nano particle materials have different shapes ,they do not have regular shape exactly ?

and what things control shape,size and direction of growth of them? like the attachment file that is silicon nano particle

10 October 2016 8,268 1 View

(hkl) lattice plane of a sample that measured in x-ray diffraction or electron diffraction is the same plane of grain that appears in HRTEM?

for example some lattice planes (111),( 311).. of single crystal silicon nano particle appear in x-ray diffraction and electron diffraction. but in HRTEM only appear and we see single grain that...

09 September 2016 2,246 11 View

According to Heisenberg's uncertainty principle cannot measure position and momentum or energy and time at same time for microscopic system. why?

This is Heisenberg's uncertainty equation. ∆x.∆p≥ ħ ∆E.∆t≥ ħ what is physical meaning of above equation?

09 September 2016 678 9 View

How can we find Miller index in HRTEM image?

I mean lattice plane (hkl),and direction [uvw].

08 August 2016 9,519 3 View

Which type of nanomaterial crystalline structure is better for optoeletronics devices?

nanomaterial I mean nanowire ,nanoparticle or nanotube.

04 April 2016 1,217 6 View

Is single crystal or poly crystal better for device?

device like solar cell ,detector and censer.

04 April 2016 3,442 6 View

What is the role of catalytic material in fabrication nanomaterial ?

Sometimes used gold(Au) in the synthesis of nanotube and nanowire .

04 April 2016 1,577 3 View

How I can determine the surface structure of silicon nanoparticle?

I have some HRTEM images and I want to find d(spacing) between planes and structure of si at surface .

03 March 2016 9,985 7 View