Glowing Plasma Explained: How Nitrogen Atoms Recombine! 🔬✨

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Published on March 28, 2025 6:23:59 AM ● Video Link: https://www.youtube.com/watch?v=6C46PrU9EgY

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Quantitative Evaluation of the Densities of Ar-N2 and N2 Flowing Afterglows at Atmospheric Gas Pressure

🌟 The Science of Glowing Plasma: How Nitrogen Atoms Recombine! 🔬✨

Ever wondered how plasma glows in different colors? Scientists have been studying the yellow afterglow (580 nm) in nitrogen (N₂) plasmas, which helps us understand how nitrogen atoms recombine in different gas conditions. This research is crucial for advanced plasma applications in materials science, energy, and surface treatments! 🚀

🔬 Key Discoveries:
✅ Yellow Plasma Glow – The 580 nm emission is a signature of N-atom recombination, appearing in both low- and high-pressure nitrogen plasmas.
✅ How Nitrogen Recombines – Scientists analyze the formation of excited nitrogen states (N₂(B,v')) in Ar-N₂ and pure N₂ afterglows from microwave discharges and corona plasmas.
✅ Role of Argon (Ar) – In Ar-N₂ plasmas, the way N₂(B,v') states form depends on how much nitrogen is mixed with argon.
✅ Higher Pressure, More Glow! – At atmospheric pressure, the N₂(B,v'=11) state becomes more intense due to N+N atom recombination.
✅ Corona & Dielectric Barrier Discharge (DBD) Effects – In Corona and DBD afterglows, nitrogen molecules (N₂(A) & N₂(w)) release energy in a way that strengthens the N₂(B,v'=0) state, further influencing plasma emissions.

💡 Why Does This Matter?
Understanding how N₂ atoms recombine and emit light helps improve plasma-based coatings, industrial surface treatments, and next-gen plasma technology! 🌍⚡

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