What is the meaning of negative activation energy?

I am prepared (Al, Co) co-doped TiO2 thin films by spray pyrolysis technique. The electrical measurement was performed by the four-probe point method, in the range of temperature 3ok (Room...

09 October 2019 4,067 5 View

What is the difference between Homojunction and Heterojunction?

I am prepared in the spray pyrolysis technique Al-doped TiO2 thin films samples. Al is a p-type doped and TiO2 is an n-type semiconductor. N-types and P-types channels will occur in our...

03 April 2019 6,929 12 View

What is the exact value of poissions ratio for excellent thin film formation?

Dear all, I have done mechanical properties of oxide based compound TiO2 . The calculated poissions ratios value is 0.25. How i identifiy the correct poissions value? Please suggestion in this...

10 November 2018 6,927 5 View

What peak is mainly dominate photo-catalyst activity of Titanium dioxide?

Hi, I am currently working on titanium dioxide thin films which are growned on glass substrate. TiO2 has several peaks (101), (004), (200), (105), (211), (204), (116). What peak is mainly dominate...

10 November 2018 9,005 1 View

How can i get correct cutoff energy and K-points from the optimize curve?

Dear All, I have done convergence test for my compound. The plot of final energy vs cutoff energy and k-points is as attached file below. Here i am confusing that which value i should take as...

09 October 2018 5,584 2 View

How to get started building and analyzing a UTAUT model?

Hello all, I need help getting started building and analyzing a UTATU model. I have a survey ready with some questions but I had some confusions on UATAUT and on how to analyze the data. I will...

02 March 2021 9,271 1 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

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

Could anyone tell me what is the range of submillimeter wave?

There is confusion regarding the submillimeter-wave range. Many papers specify its range from 300GHz but some also consider its range from 100GHz. If I design an antenna on 122ghz what would I...

01 March 2021 516 7 View

Calculating volume of DNA required from DNA concentration?

Hi I am a bit confused. They are asking me to find out the volume of DNA required in ul (a total of 30-100 ng for genomic DNA) from the DNA concentration in the nanodrop reading which was 404.8...

26 February 2021 5,029 2 View

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I am trying to find how to know the density needed for a pva electrospinning in a 0.6mm neddle, the electrospinning will be from top to bottom and the problem I really have is the solution because...

25 February 2021 2,615 3 View

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25 February 2021 5,713 1 View

How Can I clain a removal of a co-author?

I would like to make a correction in a co-author in your paper which is wrong. This name is also in other papers of Kenton Ko. Zey Ko is not a Co-author . The correct name is Zdenka...

24 February 2021 3,476 4 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Difficulty in debugging code to correct error - TypeError: '<' not supported ?

I am trying with a Unet code ontained from net ...in tensorflow. When trying to predict the segmentation result with the trained and saved model with metric " iou" using "CustomObjectScope"...

22 February 2021 5,254 1 View