The more complex iron nitride α”-Fe 16 N 2 was first discovered in 1951; its magnetic properties were explored in the early 1970s and again in the 1990s as part of the search for new and better ...

A permanent magnet is always magnetic. It has an invisible magnetic field. Only certain materials, such as iron, feel a magnetic force. Permanent magnets can come in lots of different shapes and ...

"Metallic iron has a low infrared emissivity and also has a high magnetic permeability in the microwave frequency band, which ...

"Specifically, this relation connects the material's magnetic resonance frequencies to its static permeability," explained ... resonance frequencies of an iron-doped gallium nitride (GaN ...

Magnetotactic bacteria synthesize magnetic iron nanominerals, which function as tiny compasses that allow the microbes to navigate using Earth's geomagnetic field. Earth's iron cycle is a very ...