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Engineering magnetism at functional oxides interfaces: manganites and beyond.

Di Yi1, Nianpeng Lu2, Xuegang Chen2

  • 1Geballe Laboratory for Advanced Materials and Applied Physics Department, Stanford University, Stanford, CA 94305, United States of America.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
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Summary

This review explores engineering magnetism in transition metal oxides (TMOs), focusing on manganites. It details manipulating spin, charge, and lattice properties for advanced electronic devices.

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Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Solid State Chemistry

Background:

  • Transition metal oxides (TMOs) are key magnetic materials with complex spin, charge, orbital, and lattice coupling.
  • Manganites serve as a model system for studying strongly correlated magnetic TMOs.

Purpose of the Study:

  • To review recent progress in engineering magnetism within TMOs.
  • To highlight the manipulation of spin, charge, orbital, and lattice degrees of freedom.
  • To discuss applications in next-generation electronic devices.

Main Methods:

  • Review of studies on manganite thin films and heterostructures.
  • Analysis of epitaxial strain and interface structural coupling effects.
  • Investigation of interface charge modulation and dynamical control of magnetism via electric fields.

Main Results:

  • Lattice engineering through epitaxial strain and interface coupling significantly influences magnetism.
  • Interface charge modulation offers a route to control magnetic properties.
  • Heterostructures with cuprate superconductors and 3d/5d TMOs reveal emergent magnetic phenomena.

Conclusions:

  • Engineering magnetism in TMOs is achievable through various routes, including lattice and charge manipulation.
  • Interface effects and heterostructures are crucial for developing novel magnetic functionalities.
  • Future research directions include exploring strong spin-orbit coupling and advanced heterostructures.