Nikolay A Vinogradov

4 Questions 20 Answers 0 Followers

Questions related from Nikolay A Vinogradov

Cloudy or "milky" surface of soft (Ag, Al, etc) single crystals. How to avoid?

Hi all, sorry for double-posting, but the "discussion topic" doesn't seem to get enough attention. We have recently started to work with Al single crystals for surface science experiments....

31 July 2020 2,748 3 View

Can anybody help with Al single/polycrystal polishing?

Dear colleagues, Does anybody have an experience with Al polishing? We are going to align the polished samples using X-ray reflectivity, so a good quality of polishing and as little roughness as...

11 February 2015 5,614 3 View

Has anyone else experienced this problem with Omicron (Focus) EFM 3/4 evaporator?

I would like to deposit iron from the commercial e-beam evaporator, in UHV, but I can get no emission current, fhile flux monitor shows negative flux in the range of nA. I would guess, this is the...

07 March 2014 5,997 9 View

Cloudy or "milky" surface of single crystals. Protocol for annealing to avoid mesoscopic roughness. Al(111) and others

Hi all, we have recently started to work with Al single crystals for surface science experiments. Unfortunately, after a few cleaning cycles the crystal surface gets cloudy or "milky". Our...

01 January 1970 9,513 1 View