Abdulghefar Kamil Faiq

8 Questions 38 Answers 0 Followers

Questions related from Abdulghefar Kamil Faiq

Who can advice on the electrical properties of lu2v2o7 pyrochlore at low temperatures?

Resistivity - Temperature curves show decrease of resistivity with temperatures below 75 K, and non-ohmic behavior, what is the possible interpretations ?

24 August 2020 6,771 1 View

Why TDS5000 series digital phosphor Oscilloscopes fluctuate when the time period of a digital signal is measured?

hi every one I used TDS5000 series four channels digital phosphor Oscilloscopes to measure the time period of the output signal of an op.amp. switching circuit (which is varying with time, i.e....

30 January 2020 383 1 View

If I have discreat data, how can I perform numerical differentiation in MATLAB by diff function without losing data?

diff function calculate difference between successive data, hence for n data of x and y , the result of diff(y)./diff(x) is (n-1) data number. How can I get n data number of diff(y)./diff(x) ?

10 January 2015 7,131 11 View

What are the differences in the definition of fermi energy in metals and semiconductors?

02 January 2014 4,540 5 View

What are the differences in extraction of dielectric constant from the refractive indices in insulator and semiconductor materials?

26 November 2013 931 3 View

Wave packet and quantum mechanics

According to quantum mechanics, particles are accompanied by waves. The idea of wave packet to represent the wave particle duality is mathematically adequate. We can perform Fourier transform to...

23 November 2013 5,687 17 View

Inverse modeling?

How can I get a suitable matlab algorithm for MIS inverse modeling?

01 November 2013 6,046 6 View

Can someone advise on the electron transition in silicon?

The energy gap of silicon is 1.1 ev , and KT is 0.026ev at room temperature, we see certain amount of electron-hole pairs at room temperature without acquiring the necessary transition energy how...

25 October 2013 3,457 16 View