Re: [Ifeffit] [Ext] Re: XAS question

2020-10-29 Thread Carlo Segre
I agree, this is a sign of a poor background subtraction. I find that this can be mitigated by cutting back on your spl;ine range for background subtraction. Change it by 0.5 at a time or less and keep plotting in k-space. You might have to lose a bit of range but that just means that the data

Re: [Ifeffit] [Ext] Re: XAS question

2020-10-29 Thread Matthew Marcus
It's possible that your data really has a kink in it. Zoom in on that last bit in E space before any background subtraction and see if there's something odd-looking. If there's really an artifactual kink, then there's not much you can do. mam On 10/29/2020 7:47 AM, Carlo Segre