Orhan Kıbrıslı

13 Questions 16 Answers 0 Followers

Questions related from Orhan Kıbrıslı

How to calculate ionic conductivity of a Lithium containing amorphous thin film via Zfit tool in EClab software?

I have an EIS spectrum as illustrated in the images and I am trying to fit it by Randles equivalent circuit. My fit is not perfect but the question is which value should I use to calculate the...

06 December 2021 3,100 6 View

How to calculate ionic conductivity from constant phase element(CPE) value obtained via electrochemical impedance spectromertry(EIS)?

I want to calculate ionic conductivity of my lithium containing amorphous solid electrolytes but I am kind of confused in the output values of ZFit tool. I used CPE because it gave me better fit...

06 December 2021 246 2 View

How to calculate or experimentally determine phonon energy of oxide glasses?

I need to calculate phonon energy of different tellurite glass matrices. There are some ways through FTIR and Raman analysis that I know but they do not seem solid to apply and publish.

09 June 2020 1,684 5 View

What kind of favorable findings can we extract from low temperature photoluminescence measurements?

For instance, what kind of information is achievable through sub-zero photoluminescence (PL) spectra (steady-state and time-resolved) of a photoluminescent system which consists of semiconductor...

04 May 2020 3,494 4 View

How to import references to Endnote x9 from online databases and save text formatting?

I have problems with subscripts and superscripts in the titles. When I import references in .ris format directly from the Scopus, for example, text formatting is getting lost. So, I end up with a...

08 April 2020 813 3 View

Is that possible to operate a pulsed laser like a continuos wave laser by modulating the pulse widt and frequency?

I think that when the pulse width is equal to the period of the laser it should operates like a continuos wave laser.

01 February 2020 1,353 3 View

What is the difference between quantum yield and quantum efficiency for rare earth ion based photoluminescent material?

Some articles say they are same but some of them say they are different, I am pretty confused.

30 January 2020 7,365 11 View

Which one is better for rare-earth doped glasses long decay time or short decay time?

I have Dy3+ doped glass samples which exhibit lifetime like 100-300 microseconds. When I look to the conventional phosphors such as Ce:YAG they have lifetime values like 20-100 nanoseconds.

29 October 2018 6,503 3 View

How to decide fixed emission wavelength for a photoluminescence excitation (PLE) measurement?

For example I have a glassy sample which is doped with Dy+3 ions. I am trying to find the best excitation wavelength for my photoluminescence (PL) measurements. For this purpose I perform a...

13 January 2018 7,906 5 View

Which one is more effective on the splitting of the energy states of Rare Earth Ions in a crystalline field? Zeeman, Stark or both?

Well I know about shielding property of 4f electrons of REIs but how the energy states splitting can be same in different crystal fields? Don't this crystal fields have different magnetic or...

21 October 2017 2,094 1 View

Is there a special technique to get optical microscope images of transparent glass samples?

Samples are highly transparent silicale glasses. I'm trying to get images by reflected light microscopy from surface and cross-section.

17 February 2017 6,975 3 View

How do you homogenize and refine your silica glass melt in your platinum cruicible?

I'm in trouble with bubbles. My batch contains Sb2O3 and SnO2 and I am mixing my batch with magnetic stirrer in ethanol. Also I am drying my batch before first melting in order to avoid...

17 August 2016 9,718 6 View

What is the reason for the amorphous halo in XRD patterns? Does it have a relation to clusters in amorph structure?

All the amorph structures show this pattern but I couldn't find the exact reason for it.

21 October 2015 9,705 14 View