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Questions related to Semiconductor Devices
how does impurity concentration affect threshold voltage in NMOSFET ?
01 January 2019 2,194 0 View
I am trying to extract Threshold Voltage of MOSFET by using extraction. extract name="vt" (xintercept(maxslope(curve(v."gate",abs(i."drain")))) + abs(ave(v."drain"))/2.0) But, the Vgs...
20 December 2018 7,452 3 View
Hi. I'm trying to plot the amount of current that is flowing through the terminals of my semiconductor device while a light beam is radiating towards the device with changing wavelength. I wrote...
12 December 2018 7,837 6 View
12 December 2018 7,382 4 View
Hello, im am currently trying to identify possible current conduction mechanisms for graphene schottky diodes by looking at I-V characteristiscs. From reading book "Physics of semiconductor...
15 November 2018 8,029 9 View
11 November 2018 525 4 View
New revolution is coming. Semiconductor devices are going to be abandoned and will see in museum in future.
09 September 2018 866 0 View
Hello, I am working on SPICE model. I need to know about the working of MRAM device. Any book, paper, video or your own words can be helpful. :) Thanks a lot for your time and...
09 September 2018 5,694 0 View
I am trying to draw the band diagram of quiternary material which will be used as a quantum well with quaternary barrier. Does anyone know any software that helps to draw this kind of band diagram?
09 September 2018 2,105 1 View
08 September 2018 8,395 1 View
Spintronics is a branch of Electronics where all processing are going through spin to overcome the leakage issues of semiconductor device. For spin based device it used ferromagnetic materials. As...
08 August 2018 8,741 0 View
In calculating the transition levels of defects in semiconductor, we may meet with the issue of so-called negative-U center. For example, in Prof. Chris G. Van de Walle's paper: Role of nitrogen...
08 August 2018 6,877 0 View
I've built a low noise transimpedance amplifier (TIA) to measure low frequency noise in semiconductor devices. The amplifier is connected to a triaxial prove station, supplied with +/- 7.8V using...
06 June 2018 9,892 4 View
I have used SRIM but I couldn't find some parameters, like ion flux and temperature...., If there are other software to simulate ion irradiation on semiconductor devices?
05 May 2018 8,859 5 View
Recently, I measured the activation energy of the heterojunction based diode via temperature dependent I-V measurement using Arrhenius plot. I obtain Ea which increases with increase in forward...
02 May 2018 878 3 View
Since two layers of moving matter can experience the Kelvin Helmoltz instability due to different velocity of the one respect with the other at the interface, I was wondering about the existence...
04 April 2018 6,197 1 View
I have a set of coupled ODEs: J = mu*e*n(x)*E(x) + mu*K*T0* dn(x)/dx and dE(x)/dx = (e/eps)*[N_D(x) - n(x)] These are the drift diffusion equation and Gauss's law for a unipolar N+ N N+...
20 March 2018 9,044 4 View
In recent years, based on ionic effects on electronic transport phenomena and new emerging electron and semiconductor devices, scientists have proposed “Ionotronics”, but the e-i ( electron-ion)...
03 March 2018 3,682 6 View
Can anyone explains that why drift current is independent of the bias voltage? I thought the drift current is dependent on the bias voltage. The drift current equation tells us that the drift...
03 March 2018 10,033 1 View
I have been thinking for a long time on the so-called "Early voltage". What interests me is whether there can be some physical explanation of this quite artificial definition. IMO this concept...
17 February 2018 7,743 15 View
Is it necessary to be a charge carrier(electron or hole) in a defect or trap or surface state? What is definition of Surface Recombination Velocity?
02 February 2018 6,625 2 View
Switch-on and switch-off current transients in silicon-on-insulator devices is well known. For a conceptual semiconductor-or-insulator device, do we expect to see any dependence of the switch-on...
02 February 2018 2,859 0 View
Dear Friends, How to get the numerical values for checking model equation of semiconductor device (For example : polarization model, threshold model, capacitance model, leakage current model,...
02 February 2018 1,578 3 View
02 February 2018 3,263 16 View