Unusual metal oxide shows signs of magnetism under lattice strain in ultrathin layers
Ruthenium dioxide (RuO2) is a metal oxide that commonly serves as an important metallic conductor, quantum material and industrial electrocatalyst. While there have been debates surrounding the magnetic properties of RuO2, it is generally thought to be nonmagnetic in its bulk form. But now, a new study, published in Science Advances, has found that very thin layers of RuO2 can become magnetic…
A recent study published in Science Advances has revealed that very thin layers of ruthenium dioxide (RuO2) can exhibit magnetic properties when subjected to lattice strain. While bulk RuO2 is generally considered nonmagnetic, this new research demonstrates that strain-induced changes in the material's electronic structure can lead to magnetic ordering.
The findings suggest that epitaxial strain could be used to control and manipulate magnetic states in ultrathin RuO2 films, opening up possibilities for the development of novel electronic and magnetic devices.
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