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

Can we use Density functional theory to explain the conductivity type inversion inside semiconductors?

Can we use Density functional theory to explain the conductivity type inversion inside semiconductors?

01 January 1970 7,902 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

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

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

Is is possible to pole with corona poling pellets of the sample material instead of thin films?

As it is highly probable that pellets will have a higher degree of air gaps and voids than thin films, is it possible to pole the samples with corona poling nevertheless? Or is there the...

24 February 2021 1,349 1 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

How to troubleshoot Electrochromic Films and Electrochromic Devices?

I am trying to characterize an electrochromic system. The system uses ITO electrodes on glass, WO3 as the electrochromic film, and NiO as the ion storage layer. When I deposit NiO and WO3 and...

23 February 2021 9,592 2 View

How to improve the adhesion between germanium and silicon monoxide thin film layers using EBEAM evaporation?

I want to deposit multilayer coating of germanium and silicon monoxide on silicon wafer using ebeam evaporation?

21 February 2021 2,141 3 View

How can I measure the thickness of thin layers deposited on textured glass susbtrates?

I want to measure the thickness of aluminum oxide and titanium oxide layers deposited on textured glass substates. The layer thicknesses are typically below 100nm.

21 February 2021 5,465 4 View

How do I calculate absorption coefficient of my thin film if I dont know the thickness? Or how can I calculate the thickness of my sample?

I have done Uv-vis characterisation of my thin film and have received absorbance and transmittance data. Now I want to calculate the absorption coefficient but I dont know the thickness of my...

21 February 2021 7,148 8 View

How to construct different filler shape in MD simulations?

Is there any way to construct different initial filler shapes like triangle, square, rectangle, pillar, and tube in any simulation software.

20 February 2021 1,750 1 View