Is there a mathematical relation between defect density and temperature?

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

03 April 2019 2,552 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 3,177 3 View

What is the condition of plasma formation for titanium dioxide?

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

31 December 2018 8,187 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 574 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 1,223 4 View

What is stack of HAADF STEM cross section image?

what is stack of HAADF STEM cross section image?

10 November 2018 732 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 3,587 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 1,765 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 5,118 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 9,843 3 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

What kind of intervention will be relevant to increase motivation among young sport trainees?

Any suggestion on what book to read is also welcome.

03 March 2021 1,646 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View

What element is driving the different slop in the low frequency tail?

My study consists simple corrosion inhibitors in salty brine. Right now I just fit my circuit with randles with CPE. Just wondering how the slop can given more info of the experiment. Or any...

01 March 2021 6,474 3 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 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