Tunneling electrons through a magnetic dielectric

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SUMMARY

The discussion centers on the measurement of the effect of a magnetic field on electrons in a tunneling state through a magnetic dielectric. User plxmny highlights the importance of the oxide layer as the tunneling barrier containing the magnetic moment, which is crucial for understanding the experimental setup. Zapperz's suggestion to focus on the dielectric rather than superconductivity is reinforced by plxmny's clarification that the tunneling barrier can exist between two normal metals. This insight is essential for anyone exploring the intersection of magnetism and electron tunneling.

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  • Understanding of electron tunneling phenomena
  • Familiarity with magnetic dielectrics
  • Knowledge of superconductivity basics
  • Experience with experimental physics methodologies
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  • Research the properties of magnetic dielectrics in electron tunneling
  • Study the role of oxide layers in tunneling barriers
  • Explore experimental setups involving superconductors and normal metals
  • Investigate recent papers on tunneling effects in magnetic fields
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Experimental physicists, materials scientists, and researchers interested in the effects of magnetic fields on electron behavior in tunneling scenarios.

plxmny
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Hello,

I am trying to learn something about how experimental physics is done.
I am very new at it and am looking for experienced guidance.

A friend of mine (zapperz) suggested that a good way to measure the effect of a
magnetic field on electrons in the tunneling state is to have the
electrons tunnel through a dielectric with a magnetic moment.

I have seen papers on this but they refer to superconductivity. I
don't think I need to add that to the mix.

plxmny
 
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Actually, if you read the paper that I referred to carefully, while the metallic electrodes are superconductors (actually, only one is while the other is a normal metal), what you should have been focusing on is the oxide layer that is in between these electrodes. This IS the tunneling barrier that contains the magnetic moment. So you could have two normal metals here with the same barrier.

Zz.
 
Oh - that's perfect. I will read it more carefully.

Thanks,
Plxnmy Smith
 

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