What is the exact meaning of Deep Level Emission (DLE) in semiconductors?

Vahid Khorramshahi @Vahid_Khorramshahi

01 January 2019 0 990 Report

What is the relation between wavelength in Pl spectroscopy and Deep Level Emission (DLE)?

Badges
Science topic

More Vahid Khorramshahi's questions See All

Which software do you recommend to draw a high-quality an electric circuit diagram for journal papers?

I am looking for a free software with various image export options.

08 September 2019 7,309 2 View

There are adhesives(binders) which is used to glue sensing material to the electrodes. how can i prevent using adhesives in developing a gas sensor?

adhesives like: chitosan, pva, ...

04 May 2016 4,787 3 View

I am developing a gas sensor setup (a test chamber) to test nano gas sensors. What kind of MFC (mass flow controller) is suitable?

The gasses are not corrosive. and the price matters. suggesting brands, models or only the appropriate specifications will help me.

03 April 2016 4,088 2 View

How does doping agents affect the gas sensing properties of ZnO? And why transition metals are used as dopants more?

sample subject: Er-doped ZnO nanofibers for high sensibility detection of ethanol

02 March 2016 6,180 2 View

What make a gas nanosensor to operate in room temperature?

ZnO is a promising material which i am interested to know how I can use it as a RT gas nanosensor . thank you

01 February 2016 2,177 2 View

Article Transfer Service of Elsevier

Have your manuscript been transferred by article transfer service of Elsevier to another journal? How do you find it? Was it helpful? why? If you are not familiar with the service, please check...

01 January 1970 5,866 3 View

What is the best way of developing a gas sensor using the ZnO sol gel powder ?

1- After powder preparation at 550 C, is it necessary to anneal it again at a higher temperature (like 700 C)? 2- is in necessary to wash powder? I have developed one, there is no response to...

01 January 1970 7,781 4 View

What is the effect of type of wire on the response of a chemiresistor gas sensor?

I am using the Aluminum wire connected to contacts, but platinum is more common as wire in chemiresistor gas sensors. does it make a big difference?

01 January 1970 9,142 3 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why results of ROS flurescence are negative as there was no bacteria within?

Hello. I am working on ROS production of two systems: system A is cerium oxide and hydrogen peroxide, system B is cerium oxide nanoparticle, hydrogen peroxide and potassium bromide. I did some...

04 August 2024 5,974 3 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

¿Are oxygen vacancies in semiconductors capable to change the band gap?

Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...

30 July 2024 8,339 2 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

Does it exist some special technique for cutting ceramic membranes for Cross-sectional FESEM images?

Does it exist some special technique for cutting ceramic membranes for Cross-sectional FESEM or SEM images?

25 July 2024 5,482 2 View

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View