Zhou Xiaoyu

3 Questions 2 Answers 0 Followers

Questions related from Zhou Xiaoyu

How to measure samples with poor electrical conductivity (solid or powder)?

We used UPS technology to measure the escape work of solid samples, but the measurement results did not meet our expectations. We would like to ask what points need attention in the process of...

23 September 2023 667 1 View

Why do small flaky particles appear on the surface of tungsten particles?

I have tested the porous tungsten matrix after copper removal by SEM, and found that there are a lot of flaky fine particles on each tungsten particle (after EDS test, it is judged that these are...

20 September 2023 6,735 1 View

4.01ev， is the work function of tungsten so low?

Recently, I conducted a UPS test on the porous tungsten surface. I randomly selected two points, one of which has a work function of 4.01ev. Is the work function of tungsten so low? Is it the...

22 April 2023 6,788 2 View