01 January 2019 3 8K Report

hi What is the pressure of plasma for the Titanium Dioxide layer under RF Sputtering?

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Is there a mathematical relation between defect density and temperature?

Is there a mathematical relation between defect density and temperature? thanks

03 April 2019 2,612 3 View

Have thermal velocities electron and hole in semiconductors constant?

hi have thermal velocities electron and hole in semiconductors constant? What are they calculated? thanks

01 February 2019 3,256 3 View

Do the following things change and how much?

hi, pleased guide me if i change thickness of different layer perovskite solar cells , or Physical conditions of making layers such as Change in pressure,Change in temperature sunstrate,...

10 November 2018 640 4 View

I made a thin layer of titanium dioxide in the lab. What methods can now be used?

Hi, I made a thin layer Tio2 in the lab. what methods can now be used to to determine lifetime of the carriers ( e and h ) , their mobility , and the concentration of the carriers ( NA , ND)? thanks

10 November 2018 1,278 4 View

What is stack of HAADF STEM cross section image?

what is stack of HAADF STEM cross section image?

10 November 2018 787 0 View

How should be simulated layers with comsol software?

Hi, I want to use comsol software to simulate provskite solar cells, I dont know what kind of information is needed to simulate different layers and finally extract the best power converting...

10 November 2018 3,643 1 View

Can anyone tell me how to clean ITO coated glass for sputtring magnetron deposition?

Dear colleague Can anyone tell me how to clean ITO coated glass for sputtring magnetron deposition?

09 October 2018 1,854 0 View

Does anyone have this book?

Dear partners Does anyone have this book? quantum theory of the optical and electronic properties of semiconductors 5th edition , hartmut huang and stephan w koch thanks

08 September 2018 9,600 0 View

What is the best conditions for the titanium dioxide present at the temperatures of the RF sputtering?

hi, Please advise. What is the best conditions for the titanium dioxide coating at what temperatures and under what physical conditions (pressure, ...) is the RF sputtering method? sincerely yours

07 August 2018 5,175 1 View

What is the use of Comsol software in Provskite Solar Cells?

Advise you. Has anyone simulated Provskite solar cell with Comsol software? What basic information is better to enter in this software? The thickness of the layer?, the temperature substrate?,...

06 July 2018 9,903 3 View

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