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Hello - I've been with working with XRD and I've heard people say that increased dispersion of a metal on a support can lead to scattering away of the x-rays from the oxide lattice faces, leading...
11 September 2023 10,033 8 View
What is the most reliable technique to determine the voltage range for the galvanostatic charge-discharge tests of composite electrodes for Na-ion half and full cells?
24 August 2023 508 1 View
For example, some bulk materials is difficult to exfoliate for preparing 2D nanosheets using in energy storage.
02 June 2023 6,132 1 View
I have already succeeded in transferring MoS2 and h-BN (few layer flakes made by mechanical exfoliation) to Si/SiO2 substrate using dry transfer method with PDMS. Then I am now trying Fe3GeTe2,...
16 May 2023 4,675 0 View
Dear researchers I would like to calculate the thickness of a thin film deposited on a glass substrate from the transmittance given by the Uv-vis measurement. Best regards.
27 March 2023 8,333 2 View
1) In XRD analysis, while testing Thinfilm for information on the crystallinity of a particular thin film at the sample holder, if we used epoxy plaster tape to keep the thin film tight in that...
13 January 2023 3,722 3 View
Hi all, Actually, I am trying to dissolve PLA in solvents called DMF, THF, and TFE. But the only problem I am getting is that PLA that I am using has no info about molecular weight. I know the...
16 November 2022 4,490 3 View
I found in literature that values can be calculated from mean angular momentum obtained through CCFULL calculation. Please help me by describing the method to get values for a given lab energy...
18 August 2022 8,779 0 View
The sintering of 18Ni300 will encounter the enrichment of titanium and aluminum elements on the grain boundaries. Is there any possible reason? How to avoid its occurrence to achieve densification?
31 July 2022 7,064 1 View
Hello everyone, while doing phonon calculation in quantum espresso i'm getting error in q2r.x i.e. q not allowed. Kindly suggest me how to resolve it?
22 June 2022 2,935 1 View
From the last several days, I have done so many exfoliations but I am unable to find big size 1L,2L, and 3L of TMCs for further experiment. May you please share your experience and suggest to me...
01 May 2022 9,392 1 View
We have prepared pure ZnO, and Cu doped ZnO samples by varying Cu doping percentages and using the co-precipitation method. In the XRD spectra, after doping, the (002) plan show a shifting of...
28 April 2022 8,524 11 View
Hello everyone! I am trying to reproduce a research paper in SILVACO based on GaN HEMT. But getting incorrect Id-Vg curve for conventional GaN HEMT given in paper. Please tell what changes should...
15 March 2022 1,122 3 View
Hello Everyone, I am trying to precipitate protein using organic solvents such as acetonitrile and isopropanol. The ppt occurs but as soon I add TFA (1%) or TFA in an organic solvent the ppt does...
01 February 2022 9,468 3 View
How to determaned by XRD the metal oxide the nanoparticles decorated by metal nanoparticles.
31 January 2022 3,593 5 View
I was looking for the techniques to measure exciton diffusion length. Several techniques are reported. In the steady-state and time-resolved surface quenching techniques, people use a simple...
28 January 2022 2,543 0 View
I have data looks like uploaded image (scatter plot). In scatter plot, I can clearly distinguish two different Gaussian curve, but origin or excel cannot. Data is sorted by x axis value, so...
14 January 2022 8,565 6 View
I still have a doubt regarding the theoretical values? Is energy difference between HOMO and LUMO is the optical band energy on compared with Tauc plot?
04 December 2021 8,635 3 View
I want to calculate electron mobility between bilayer 2D materials. how can I do this using quantum espresso DFT simulation pack
21 September 2021 729 4 View
I am synthesizing Mn-Fe LDH via the co-precipitation method, using a molar ratio of 2:1, Cl as the anion, and without a nitrogen purge. I am missing out on the [003] and [006] peaks in XRD. I feel...
13 September 2021 7,617 0 View
We have been using the FLS-920 PL instrument to calculate lifetime for our solid samples(CuO, Bi2WO6). Our Procedure : Disperse the solid sample in Ethanol or DI water and place in cuvette to...
25 August 2021 1,336 4 View
I am going to integrate CST Microwave Studio with CST Design Studio, adding a diode to my planar antenna, to rectify the output voltage. However, I am not able to add a diode as the Device Model...
15 June 2021 1,192 5 View
suggest some metal oxides that could be combined with graphene oxide to fabricate good supercapacitor materials.
11 June 2021 7,235 7 View
There are two materials A and B out of which one is a metal and second is a semiconductor . How can we identify and classify them just by touching or observing them without performing any test?
06 June 2021 2,085 11 View