Ankita Chowdhury

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Questions related from Ankita Chowdhury

Does a MoS₂ thin film exhibit birefringence, and how does this birefringence vary with the number of layers?

Between single-layer and multi-layer MoS₂, which one exhibits higher birefringence, and what is the reason for this difference?

last month 3,862 2 View

What is the thermal stability of a sapphire substrate?

I want to deposit an Al₂O₃ thin film on an optically transparent sapphire substrate with a thickness of less than 1 mm. What is the maximum temperature it can withstand during post-deposition...

11 May 2025 9,334 0 View

What is the minimum post-deposition annealing temperature required to achieve a highly crystalline ZnO film on a glass substrate using thermal ALD?

What is the minimum post-deposition annealing temperature required to achieve a highly crystalline ZnO and TiO₂ film on glass substrate, sapphire substrate using the thermal ALD process? In...

30 March 2025 8,829 4 View

Does an atomically thin MoS₂ nanoflake (monolayer) exhibit strong Rayleigh scattering?

Does an atomically thin MoS₂ nanoflake (monolayer) exhibit strong Rayleigh scattering that dominates over Raman scattering at 632 nm?

09 March 2025 2,091 2 View

Can MoS₂ nanoflakes with a thickness of 0.89 nm, a flake size of 60 micrometers transmit visible light, or will they primarily absorb or reflect it?

Triangular MoS₂ nanoflakes with a thickness of 0.89-1 nm and a flake size of 60 micrometers have been deposited on a SiO₂ (300 nm thick)/Si wafer using Atmospheric Pressure CVD. If a red laser is...

17 December 2024 8,546 0 View