any link?
An emission spectrum in IR wavelength region consists of interference fringes (after spectral correction). How do I smooth such spectra? When collected through fiber, absorption around 950 nm...
06 July 2019 4,626 13 View
Ruby (Al2O3 doped with Cr3+ ions), when exposed to ionizing radiation (for e.g. X-rays), emits luminescence. What is the mechanism that causes this 'Radio-luminescence? Does Cr3+ accept electrons...
07 August 2018 3,573 5 View
Does trapping of electrons in a defect (trap) depend on temperature (below room temperature)? If yes, what are the possible reasons? I see that, these electrons appear to be trapped more (as well...
06 July 2018 2,328 10 View
If something causes final orbital speed of the satellite to be decreased (final orbital speed < initial orbital speed), why its circular motion changes to elliptical motion? Assuming that the...
01 February 2018 9,199 9 View
I have recorded PL spectra using CCD detector with the help of detection filter upon exciting the sample with a NIR laser. In these spectra, I see interference fringes (figure attached). I would...
01 February 2018 3,064 4 View
If a material is supposed to be consisting of either intrinsic or extrinsic (or both) defects, how do they affect the physical characteristics of that material? Further, how one can differentiate...
11 December 2017 2,573 13 View
I am trying to fit a thermal quenching equation in the form of I=I0/(1+c*exp(-E/((1.38*10^(-23))*T))), to my data in origin software. I'm unable to create a function that runs and fits...
10 November 2017 6,299 10 View
How to determine energy levels theoretically in a material. A wide band gap material doped with impurities. Could it be a tool to cross check the results obtained experimentally?
10 November 2017 2,318 4 View
If an excited state is considered to be lying in either low or high density conduction band tail states, how the temperature will affect the PL emission from that state? Is above scene possible?...
10 November 2017 5,981 3 View
Is there any limit for generating narrow beam? How do I generate a narrow beam of 5 micron beam size?
09 October 2017 6,398 4 View
Dear all, I am working on analyzing data from a survey on student satisfaction. The survey contains items with a 7-point Likert response format that produce 12 scales related to different areas...
05 August 2024 2,141 4 View
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
I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...
03 August 2024 6,500 3 View
Dear researchers, Why specific capacitance is not proportional to the specific surface area? I have material A with a surface area higher than material B, but material B is showing little bit...
26 July 2024 9,156 2 View
I am giving starvation stress to the soil amoeba (Dictyostelium discoideum) cells in my study groups and using NAC as a negative control. I am using DHE for ROS measurement.
20 July 2024 6,354 0 View
I am struggling to attain multiple research articles, so far, I have looked at the Swedish longitudinal study, they have good depth and reliability. I was thinking of looking into twin studies to...
15 July 2024 3,737 1 View
There is an error message "interface silicon/oxide not found in grid xxx.tdr file"
26 June 2024 5,551 0 View
Given the energy level diagram of a ruby laser shown in the right figure, where \( R_{02} \) is the pumping rate, and \( \tau_2 \) and \( \tau_1 \) are the lifetimes of levels \( n_2 \) and \( n_1...
23 June 2024 4,855 0 View
I use a DISCO DAD323 dicing machine to cut my sample,which has 1-2 micrometers SIO2 on its top.However,the SIO2 is broken and fall apart everytime.I tried different cutting speed but didn't work....
20 June 2024 1,131 0 View
I have a CVD-prepared material. The problem is that the LASER covers a smaller area than the islands, so I see localized effects. Sometimes, the intensity of the silicon peak is larger than the...
05 June 2024 6,797 3 View
