Reham Mohamed Alzahrani

4 Questions 1 Answers 0 Followers

Questions related from Reham Mohamed Alzahrani

What can i use as etching gas instead of ammonia to grow VACNTs using PECVD ?

can i grow vertically aligned and pure CNTs using PECVD without ammonia as etching gas ? what is the other options ? and how it could affect the reslt CNTs purity and alignment? thanks in advance

04 August 2021 2,606 1 View

Why does the plasma ignite under bottom electrode ? not between the two electrodes inside plasma enhanced chemical vapor deposition chamber?

i have problem that the plasma ignite under the bottom electrode of the chamber (where the subtrate lie ) instead of ignite between the two electrodes . during CNTS growth using PECVD (easy tube...

03 August 2021 2,644 3 View

Blue plasma chemical vapor depostion?

please could any one help what could be the reason of the blue glow instead of the lavendar ? the pressure , tempreture , gases concentration and voltage are shown on the panel picture *edit*...

03 August 2021 456 4 View

How to clean DC PECVD chamber ?

what is the cleaning procedures of plasma enhanced CVD chamber after evaporation of stainless steel and Ni ? can ammonia or argon gases serve this purpose ? my device is EasyTube@2000

14 March 2021 9,795 5 View