Sugata Paul

3 Questions 5 Answers 0 Followers

Questions related from Sugata Paul

How to scrape off the surface layer of compound sputtering targets as with multiple usage top layer's stoichiometry changes from the original target?

I am experiencing this for the Bi2Se3 sputtering target. Initially, even if the target was 2:3 in Bi : Se, with a few sputtering runs, due to the high escaping tendency of selenium, the top layer...

24 July 2024 1,621 1 View

Is it safe to polish the surface of a Bismuth Selenide (Bi2Se3) sputtering target with sand paper/emery paper?

The surface of the target may have gathered some coating at places during deposition. These spots seem to be little less conducting compared to the other fresh parts of the target. Will it be safe...

07 May 2024 9,339 5 View

Is there any way to fix a damaged sputtering target by grinding it in powder form again and pressing into a pellet, sintering it afterwards?

The target is damaged in a way that it has been non-uniformly sputtered from a particular spot more than the other area, thus causing a huge bump-like structure and cavity in that spot.

17 November 2023 2,892 6 View