Thanga Bharathi Tamilmani

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Questions related from Thanga Bharathi Tamilmani

What may be possible reasons for the appearance of weak and unstable plasma in RF Sputtering Unit?

While I am working with RF Sputtering Unit, I am not able to achieve a healthy and dense plasma. Instead, I am ending up with a plasma that is weak and diverging from the placement of the target....

01 April 2023 2,140 2 View

Can you suggest some good approaches for the smooth finishing of a sputter compact/Target?

Since I am working with the sputtering approach for the deposition of nanomaterials, I need to know the preparation methods of a sputter compact and extracting it without demolition.

27 March 2023 8,554 4 View

How can we synthesize metal nitrides/complex nitrides by means of Molten Salt synthesis method?

I am trying to synthesize a complex nitride material from their respective oxides. How can we achieve it by means of Molten salt synthesis technique?

14 March 2023 590 1 View

What are the proper methods and procedures to be followed for the synthesis of Complex oxides and Nitrides by using Molten Salt Synthesis method MSS?

I am working on the synthesis of Rare earth complex oxides and Nitrides using MSS. Please suggest some good tips for carrying out the process.

13 January 2023 7,147 0 View

How can I equally weigh two different chemicals based on their individual molecular weights?

I'm trying to make a mixture of Gallium oxide (M.W = 187.44) and Tungsten Oxide (M.W = 231.85). How can I make a composite of these two different chemicals based on their molecular weights by...

07 September 2022 3,641 3 View

How can I calculate the required grams of two chemicals from their molar ratios?

Metal Gallium is dissolved in 70% of conc.HNO3 in the molar ratio of 1:16. Therefore, How many grams of Gallium and how many litres of HNO3 to be taken for the above said molar ratios?

31 August 2022 993 1 View

How can we synthesize rare earth metal nitrides from its oxides/hydroxides by means of chemical reactions/wet chemical synthesis?

I working on the synthesis of Lanthanum Nitride(LaN). I have Lanthanum oxide as the precursor which is hygroscopic in nature. Please suggest some methods for the synthesis of LaN.

17 August 2022 3,614 3 View

Which milling ball is suitable for the ball millng process of Tungsten? Can we use Tungsten carbide balls? If so, what shoulf be the BPR ratio?

I am working on the preparation of ball milled tungsten powder, My query is with the selection of Milling media and balls and the BPR ratio.

13 August 2022 5,440 3 View

How much gram of powder should we take for ball milling and making a sputter target by hydraulic pressing?

I am working in the field of sputtering. For making a sputter target, we need to take some amount of the respective powder and pelletize that. What is the relation between the atomic weight of the...

13 August 2022 3,415 0 View

Can PVA act as the binder for all metal powders (Tungsten) for the preparation of sputter target?

I have prepared zinc oxide sputter target by using PVA as the binder. But in case of Tungsten target whether PVA is suitable and will it react with tungsten?

01 August 2022 2,086 4 View