Other than Tauc plot, how to find the bandgap energy and its type?

If a material have both direct and indirect band gap. If this material is used in the solar cell or photo detector application. Then how can we know which band gap is used for exciton generation?

11 June 2020 352 4 View

Loop for summation in MATLAB ?

for different values of X, what will be the loop or tool in MATLAB for the below problem summation (U(n-L)(X)*(K(L)-K(L+1)), 1, n-1), where U is the function of X for different time (n-L), and...

18 April 2020 7,047 11 View

How's the data written and read on the hard drive in form of 0 and 1? Please explain the whole process and if possible attach the link of literature ?

How the data read and write from a single tip having a spin valve structure?

01 April 2019 8,453 2 View

What is the best way to measure spectral width?

Dear all, I want to find Spectral efficiency (b/s/Hz) of my designed systems. For this, I need to find two factors, (1) bit rate and (2) Bandwidth required. Can we find the bandwidth from the...

05 July 2018 8,265 2 View

How to write a UDF for biomass (straw bale) combustion in ANSYS Fluent?

Hello people I am trying to simulate biomass combustion using ANSYS Fluent with paddy straw bales as biomass fuel. I want to write a UDF for that as it involves a solid phase too but dont know...

20 February 2018 6,465 3 View

Can anyone tell me the value of interlayer coupling energy in A-B stack bilayer MOS2?

Like, A-B stack bilayer graphene has the interlayer coupling energy of 0.35eV. (http://ieeexplore.ieee.org/document/5091138/)

14 September 2017 6,986 1 View

What is the fate of heavy metals in soil when we add biochar as soil ammendment. What are proposed solutions as heavy metals do not degrade?

Fate of Heavy Metals in Environment? Heavy metals do not degrade

19 March 2016 2,155 14 View

How do I select a wavelength from a light source that consist of wavelength range of 410 nm to 900 nm?

Dear Sir/madam, I need to separate or select a specific wavelength from a light source that consists of all the wavelengths from 410 nm to 900 nm. Please suggest me techniques available to do...

04 December 2015 7,023 13 View

How can I relate the change in threshold voltage from drain bias voltage with change in the surface potential at channel-drain junction?

I want to measure the change in threshold voltage due to drain bias voltage for Graphene field effect transistor, but it has zero band gap. So, it produces larger punch-through and it is difficult...

09 February 2014 8,756 4 View

How can I convert molar fraction (dopant/atom) to doping density (1/m)?

I am attaching my procedure of unit conversion; I am confused with units of doping density.

08 January 2014 8,325 2 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 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

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 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

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

What are the patterns of human behavior that lead to COVID-19 infections?

Does data from contact tracing help in establishing patterns of behavior and social interactions that lead to infections? There are cases here in the Philippines where patients have no travel...

25 February 2021 9,002 13 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View