Looking for specific magnetic material under pressure

AI Thread Summary
The discussion focuses on finding a material that exhibits magnetic properties when subjected to pressure or deformation, returning to its original state once the pressure is released. The user is particularly interested in both nano- and larger-scale materials that could provide this effect. They mention the piezoelectric effect as a related concept but are specifically seeking piezomagnetic materials. Suggestions and insights from the forum members are welcomed to aid in this search. The conversation highlights the need for innovative materials that can respond magnetically to mechanical stress.
MaskedMarvel
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Hi, I'm new to the forum, and I'm looking for input. I'm looking for a material that when it comes under pressure or is deformed, develops a magnetic or other resistant force that is released when the pressure is released and it is allowed to return to its original state. This could be on a nano- or molecular level as well as a larger material. I know that certain materials have a piezoelectric effect when under pressure, I'm looking for something that has a magnetic effect when under pressure or when the structure is bent under force. I appreciate any input from the board.
 
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Do a search for piezomagnetic materials.
 
Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

Thread 'Motional EMF in Faraday disc, co-rotating magnet axial mean flux'

So here is the motional EMF formula. Now I understand the standard Faraday paradox that an axis symmetric field source (like a speaker motor ring magnet) has a magnetic field that is frame invariant under rotation around axis of symmetry. The field is static whether you rotate the magnet or not. So far so good. What puzzles me is this , there is a term average magnetic flux or "azimuthal mean" , this term describes the average magnetic field through the area swept by the rotating Faraday...
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