What is the best measurement method to determine bulk concentration, resistivity and mobility of thin films?

What is the best measurement method to determine bulk concentration, resistivity and mobility of thin films?

01 January 1970 7,127 12 View

How to motivate freshmen at the university to explain physical phenomena through mathematics and technological applications?

how to make a bridge between physics-technology and mathematics? How to motivate freshmen at the university to explain physical phenomena through mathematics and technological applications in...

01 January 1970 1,615 0 View

Is the front metal contact (Ag, Al or Au) can change the parameters of solar cell ?

front metal contact (Ag, Al or Au) solar cell such Ag/SnO2/Si/Al

01 January 1970 535 9 View

What is difference between computed values and experimental results?

It is often that we report mean values or approximate values of grain size, band gap, measured current or any other parameter. Therefore, the researcher take directly values from papers and...

01 January 1970 7,577 0 View

Anybody who work on simulation can help us in p type condutivity of thin layers oxide ?

from n type to p type inside thin layer semiconductors based on oxide

01 January 1970 5,754 2 View

Which is the suitable synthesis method for p type ZnO thin film?

can anyone say which is the suitable synthesis method for p type ZnO thin film

01 January 1970 3,844 3 View

How can we improve the efficiency of solar cell based on MPc material?

MPc are metal phthalocyanine organic molecules.

01 January 1970 6,112 1 View

Do the n type oxide become p type semiconductor ????? it is an important and interesting study

01 January 1970 2,091 0 View

Al doped ZnO improve the conductivity. AZO is used as window in solar cell, could any other element make the same trend?

AZO is Al doped ZnO used in CZTS solar cell.

01 January 1970 8,331 6 View

Which is the best contact for solar cell among these Al, Ag , Pt or Au?

in aim to enhance current in contact of solar cell

01 January 1970 2,156 0 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

What could be reason for getting such type of graph for complex impedance in case of polymer blend films?

Its effect appears in real part of ac conductivity also. Can anyone suggest any reason behind it?

26 February 2021 3,487 3 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View