Joyce Zhang

5 Questions 7 Answers 0 Followers

Questions related from Joyce Zhang

What is the difference between reflection mode SAXS and transmission mode?

Hi all, Recently I am doing SAXS for my thin film sample. I noticed that there are two modes in the equipment, one is reflection and another is transmission. I scanned my samples using those two....

04 December 2024 1,470 2 View

Cyclic Voltammetric of Cu single crystal surfaces in NaOH- cannot get the result?

May I know if anyone has any idea of this failure and amendment? Tried several times but still cannot succeed.... CV scan conditions: 50 mV/s, from 0.43 V vs RHE to -0.25 V vs RHE. Electrolyte:...

15 June 2023 5,179 3 View

How to align the peaks by theoretical substrate one in GSAS?

Dear All, I want to use the Lebail Fit to calculate the crystal size of my sample. My sample was epitaxially grew on single oriented Si. Hundreds of nm. Both the sample and the substrate are well...

07 October 2022 8,106 2 View

Crystal size calculation of epitaxial grew single oriented sample by Rietveld Refinement?

Dear All, I just learned how to use GSAS to do the Rietveld Refinement and calculate the crystal size of my sample. My sample was epitaxially grew on single oriented Si. Both the sample and the...

06 October 2022 7,581 4 View

Metal grow on Si like this?

HI all, I grew some Cu on Si but why it is so ugly like this? I tried to use acetone&IPA&HF to clean it. But they dont work.

26 May 2022 3,169 4 View