Displacement energy of atom in a liquid (for ion implantation)

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SUMMARY

The discussion centers on the displacement energy of atoms in liquid alloys during ion implantation, specifically in the context of materials science and engineering. The participant, Allen, posits that ion implantation in liquid alloys requires significantly lower energy compared to solid crystals due to factors such as faster diffusion rates and lower density. However, there is a lack of quantitative data to support this hypothesis, prompting a request for references or discussions on the topic. The conversation highlights the need for empirical evidence to validate the theoretical advantages of ion implantation in liquid states.

PREREQUISITES
  • Understanding of ion implantation techniques in materials science.
  • Familiarity with atomic displacement energy concepts.
  • Knowledge of liquid alloy properties and behavior.
  • Basic principles of diffusion in materials.
NEXT STEPS
  • Research empirical studies on atomic displacement energy in liquid alloys.
  • Explore the effects of ion implantation on liquid metal alloys.
  • Investigate diffusion mechanisms in liquid versus solid materials.
  • Examine existing literature on ion impact energy thresholds in various states of matter.
USEFUL FOR

Materials scientists, engineers working with ion implantation, and researchers interested in the behavior of liquid alloys during atomic displacement processes.

AllenJH
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Hi Physics Forums!

I'm a bit stuck here. I'm fairly sure I intuitively know the answer here, but am looking for harder proof. The following question is in regards to my current research work (materials sci/eng).

Does anyone know of a discussion of the displacement energy of an atom in a liquid? (say a metal alloy) My particular work deals with ion impact and implantation. I am suggesting in my work that ion implantation in a liquid alloy is much lower energy than an implantation in a solid (crystal). I'd love to have numbers to back up my suggestion.

Diffusion is faster, partial pressures are higher, density is lower, so many things point to the fact that it's likely less energy to implant into a liquid alloy, but I don't see much discussion of energy to displace an atom in a liquid in my searches.

Can anyone point me in the right direction? I greatly appreciate any and all suggestions that you might have!
-Allen
 
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The very idea of "liquid" is the constant re-arrangement of atoms in the material from thermal motion. If your implanted ions do not make it solid, it should be sufficient to let them reach the surface. Diffusion will still take a while (maybe too long), of course.
 

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