11 Questions 18 Answers 0 Followers
Questions related from Efi Dwi Indari
Dear All, I performed a charge-discharge test on a half-cell battery. I was wondering because the capacity net zero at the beginning of the test. The Open circuit voltage shows the typical values...
22 May 2023 9,328 0 View
Dear all, I want to reduce the amount of powder, let's say, a half of the optimized one, to be proceeded further by ball-milling. The parameters that have been optimized are : - volume ratio of...
08 December 2022 9,891 7 View
Dear all, I am currently facing problems during galvanostatic charge-discharge measurement of half cell of lithium batteries. Please kindly note that the charge-discharge process was started...
19 May 2022 8,495 5 View
Dear all, I am wondering how is the precise way to determine the film thickness from the cross-section of SEM with a certain degree of surface roughness? Shall I determine the film thickness...
20 November 2020 5,948 3 View
Dear all, I am wondering how long is the minimum range of the photon energy to measure the EXAFS? I have checked some papers and they used around 500 eV, calculated from the pre-edge. However, I...
06 October 2020 1,806 11 View
Hello, I am wondering why does thermal oxidation on Silicon substrate at low temperature (less than 900 C) yield high interface defects? Is it because the O2 can not be mobile ions which then...
18 August 2018 8,963 1 View
Dear all, I am wondering about reliability of natural lorentzian width value. In which cases I can put this value for my fitting? May I say that as long as the fitting is good, then I still can...
28 March 2018 2,071 1 View
Hi, I am wondering how one can determine core levels to be measured by means of XPS. For example I would like to investigate Zn core levels. I have checked this website...
13 December 2017 5,193 3 View
Dear all, I am about to analyze my XPS data with a variation of polar angle (people call this technique as XPD or x-ray photoelectron diffraction). So now I have a graph of intensity against polar...
23 August 2017 8,666 4 View
Dear all, I am wondering about the origin of ghost peak, that is not the characteristic of the material during Raman imaging measurement. These peaks were not observed during the point...
01 January 1970 4,539 4 View
I am sorry to ask a naive question or perhaps it is due to my misunderstanding. But I have read that fluoroethylene carbonate is used to suppress electrolyte decomposition. I am wondering why...
01 January 1970 7,910 3 View
