Sir, thank you for sharing your information with us. I cannot find the answer to this question. How is the differences FTIR diagram between the 2 FTIR diagram calculated in the origin
@SAYPhysics
3 жыл бұрын
Thanks for the appreciation. Really, I'm not getting your question. If you could elaborate your question, I'll be able to respond. Thanks
@beyza4382
3 жыл бұрын
@@SAYPhysics Getting the difference from the diagram of the pure substance from the diagram of the mixture containing pure substance. To get the difference by extinguishing the common areas of the two diagrams.
@SAYPhysics
3 жыл бұрын
Emergence of new peaks or changes in the intensity/absorption can differentiate with the pure sample. Thanks
@arsalanadil14912
3 жыл бұрын
This channel is so awesome... average videos of 10 minute video cleared my basic concept of this topic in a very interesting way.... Many thanks
@SAYPhysics
3 жыл бұрын
Wow, thanks! 🙂
@anijadeswamy9585
2 ай бұрын
An excellent vedio
@SAYPhysics
2 ай бұрын
Thanks dear 😊
@mohammadawwaladeshina666
2 жыл бұрын
Thank you very much for the analysis, well explained.
@SAYPhysics
2 жыл бұрын
Thanks for the appreciation dear
@boscorodriguez5871
Жыл бұрын
Thanks for the tutorial man. Found it helpfull :)
@SAYPhysics
Жыл бұрын
Thanks for the appreciation dear. Please share it with others too.
@cchem8198
Жыл бұрын
Thank you very much
@SAYPhysics
Жыл бұрын
You're welcome dear
@numanali3103
2 жыл бұрын
Great sir but after a long time 🌹
@SAYPhysics
2 жыл бұрын
Thanks dear. It's you who crossed after a long time.
@akirahatsuo3871
5 ай бұрын
Sir, shouldnt we make sure the COD(R^2) need to be close to 1 to make sure the fitting is as accurate as possible ?
@SAYPhysics
5 ай бұрын
Thank you for your comment! While it's true that a high coefficient of determination (R^2) often indicates a good fit between the model and the data, it's not always necessary for the coefficient to be close to 1 to ensure accurate fitting, especially when calculating FWHM. FWHM primarily focuses on the width of the curve at half its maximum height, which can be accurately determined even with lower R^2 values. However, it's essential to consider the context and purpose of the analysis. In some cases, striving for a higher R^2 may indeed be beneficial, but for FWHM calculations, the emphasis lies more on accurately capturing the width of the peak. Thanks again for your input!
@zarsky9451
2 жыл бұрын
Thanks that was useful
@SAYPhysics
2 жыл бұрын
Good that it was helpful. Thanks
@hanashenne6321
3 жыл бұрын
Thank you for this video. I noticed that the peak seems to have a shoulder peak? Will you not take into consideration the kalpha1 and kalpha2 contribution in fitting?
@SAYPhysics
3 жыл бұрын
Yes, you're right Hana. In the case, you want to count for the Kα1 and Kα2, you''ll have to resolve it further. The first prominent peak is for Kα1, while the shoulder is for Kα2. This I might cover in another video. Thanks
@SAYPhysics
3 жыл бұрын
@Hana just added the said video. Thanks
@pavantripathi6594
Жыл бұрын
How can i make a line on the curve to show here it is the FWHM and its width is x? Please reply
@SAYPhysics
Жыл бұрын
From the right vertical ribbon menu, both the line and text menu is there. Thanks
@muhammadnisarqasim636
3 жыл бұрын
sir please make complete lectures on classical mechanics
@SAYPhysics
3 жыл бұрын
Not possible in the near future. But will definitely do it some time IA..
@manjulakonamgeri2421
11 ай бұрын
Thank you sir.. What is the importance of Chi-square value . Sir.& is there any relation between that value and fitting g of XRD curve ..? Sir
@SAYPhysics
11 ай бұрын
Certainly! The Chi-square value is important in data analysis as it measures the discrepancy between observed data and expected values in a statistical model. In the context of fitting XRD (X-ray diffraction) curves, Chi-square is often used to assess how well the theoretical model fits the experimental data. A lower Chi-square value indicates a better fit, implying that the model accurately represents the XRD curve. It helps validate the goodness of fit and the reliability of the model used for data analysis. Thanks dear 😊
@manjulakonamgeri2421
11 ай бұрын
@@SAYPhysics Thank you sir..but how much we consider the value of chi- square.? It come as 1E - reached...?
@SAYPhysics
11 ай бұрын
In general, a lower Chi-square value is desirable for a good fit. The "1E - reached" notation indicates a very small value, likely in the range of 1E-5 or smaller. A smaller Chi-square value approaching zero suggests a closer match between the theoretical model and the experimental data, indicating a strong fit of the XRD curve to the model. Thanks
@manjulakonamgeri2421
11 ай бұрын
@@SAYPhysics Thank you very much sir...
@SAYPhysics
11 ай бұрын
You're welcome dear
@rotuafetricia8238
2 жыл бұрын
Hi, sir. Thank u for sharing with us. If you don't mind , can you explain how to get a refine xrd data like that?
@SAYPhysics
2 жыл бұрын
Thanks for the appreciation dear. I have a tutorial on how to smooth XRD data. kzitem.info/news/bejne/wqmuvZ54cn-EnHo In the case you want to have a smooth XRD data from the machine, you'll have to keep the step size very small and scan time as long. Thanks
@rotuafetricia8238
2 жыл бұрын
@@SAYPhysics well, what if the XRD data has much noises and not substracted on baseline? 🙏🏼 I Saw your xrd data before smoothing is correct to baseline already...
@SAYPhysics
2 жыл бұрын
Yes, you will first subtract the baseline and then smooth it accordingly. Thanks
@rotuafetricia8238
2 жыл бұрын
Thank you so much dear.
@prithivirajanp336
3 ай бұрын
Video are not visible
@SAYPhysics
3 ай бұрын
It's probably your internet connection issue. Click setting, go to advance option and select a high quality, the issue will be resolved. Thanks
@muhammadnisarqasim636
3 жыл бұрын
sir how we can reduce the noise from the xrd data
@SAYPhysics
3 жыл бұрын
See this kzitem.info/news/bejne/wqmuvZ54cn-EnHo
@shaizikhan8805
3 жыл бұрын
sir why we have to convert FWHM into radian
@SAYPhysics
3 жыл бұрын
The equation which Origin uses for the calculation is angular in nature, so we'll have to use it in rad to have the right dimensions. Thanks
@muhammadnisarqasim636
3 жыл бұрын
sir how we can find hkl indices using this data.
@SAYPhysics
3 жыл бұрын
That video will come soon IA. Thanks
@muhammadnisarqasim636
3 жыл бұрын
sir give lecture on xpert high score .
@SAYPhysics
3 жыл бұрын
I'll do soon on WinXPow, then XPert HighScore IA...
@CuongNguyen-ug4lq
3 жыл бұрын
I think there is a mistake, 1.5406 A = 0.15046 nm please fix it
@SAYPhysics
3 жыл бұрын
Thanks for notifying it Curong. Correction have been made and will be incorporated in few hours. Appreciated....
@CuongNguyen-ug4lq
3 жыл бұрын
@@SAYPhysics hope you fix it soon, I calculated it using nanometer unit and it took so long to found that mistake, btw, your video is so helpful, many thanks
@SAYPhysics
3 жыл бұрын
Great and appreciated. Sorry for for your time. It's been blurred now. Thanks
@manjulakonamgeri2421
11 ай бұрын
Sir..could you please provide jcpds or x pert score software to index h , K, l values.. bcozi tried , but not...
@SAYPhysics
11 ай бұрын
Why don't you try GSAS-II for this purpose, which is free. I've already shared a video on the GSAS-II for such analysis. Sure, I can provide you a specific a jcpd card by asking at sayphysics@gmail.com kzitem.info/news/bejne/0IGstJZ_paqJgaA
@manjulakonamgeri2421
11 ай бұрын
@@SAYPhysics sir..i tried for GSAS for installation.bur it is not coming..tried do many times...
@SAYPhysics
10 ай бұрын
I'm sorry for being late in response, I have missed your reply actually. In the following video, I have a step by step guidelines on how to install GSAS-II. Thanks kzitem.info/news/bejne/u46e2JOHmnuFZaA
@muhammadnisarqasim636
3 жыл бұрын
sir also guide how to remove noise from xrd data. please.
@SAYPhysics
3 жыл бұрын
Already uploaded. See here kzitem.info/news/bejne/wqmuvZ54cn-EnHo
@emmagal14
Жыл бұрын
Can this be used in Origin 8.5?
@SAYPhysics
Жыл бұрын
Yes, fwhm can be calculated in 8.5. However, it's calculation through the gadgets is not included in that version. Thanks
@emmagal14
Жыл бұрын
@@SAYPhysics But the theta & FWHM can be calculated accurately right?I got 2.6217 for FWHM.. What will be the theta then?
@SAYPhysics
Жыл бұрын
Yes, sure. Thanks
@SAYPhysics
Жыл бұрын
You selected a peak for which fwhm is calculated. The location of the peak is your theta value. Thanks
@emmagal14
Жыл бұрын
@@SAYPhysics I'm sorry the theta value from the peak refers to the centre of peak? Is it the xc shown in the Gauss table? I am sorry I am new to this.. Tqvm
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