13 Questions 21 Answers 0 Followers
Questions related from Macho Anani
There is an infinity of colors below purple and beyond red, but what would be their appearance if we could "see" them?
12 December 2017 8,294 6 View
People have to publish in a factor impacted journal, but the must high quoted ones hardly accept non experimental works. What have a pure theorician to do, then in order to overcome this difficulty ?
02 February 2017 5,121 1 View
The analysis of Shockley and Queisser relied on hypothesis that only one electron-hole was created per incoming photon, there is a thermal relaxation of the electron-hole pair energy in excess of...
02 February 2015 5,835 2 View
We have previously developped a theoretical optical waveguide using a III-Nitrides substrate, but we nevertheless didn't find a lot of literature about this kind of waveguides.
01 January 2015 3,952 4 View
In several papers I found that the optimized band gap for solar cells is close to 1.5 eV. This value corresponds to a wavelength of about 830 nm, in infrared. Is it due to the fact that we use...
12 December 2014 1,495 18 View
In Schottky diodes appears at metal/Semiconductor interface some inhomogeneities in the barrier.
12 December 2014 3,084 5 View
There are, like superior plants, a lot of species of bacterias which could use atmospheric Carbon Dioxide to make hydrocarbons, so why don't we investigate this way of resolving the fateful...
12 December 2014 727 1 View
The polar ice caps rely on continental masses sinking them into the earth's crust. If the ice melts quickly, did it would not occur a sudden acceleration of the sea level elevation (estimated at...
08 August 2014 9,016 6 View
Since the Greenhouse Gases concentration has greatly augmented, could the climate changing be counterbalanced by reflecting more solar radiations like a volcano with its ashes cloud can do?
07 July 2014 4,128 15 View
Some researchers proposed to use gaussian. What about other solutions?
03 March 2014 7,999 4 View
GaN is nowadays a very important semiconductor, nevertheless it suffers from it's inability to be p-doped with appropriate acceptor.
03 March 2014 8,787 2 View
In the first approach we thought that it is due to the presence of interfacial states in the diode?
02 February 2014 7,036 3 View
It seems to be very hard to n-dope GaN.
02 February 2014 1,747 1 View