The large variety of 2D materials and their co-integration in van der Waals heterostructures enable innovative device engineering. In addition, their atomically thin nature promotes the design of artificial quantum materials by proximity effects that originate from short-range interactions. Such a designer approach is particularly compelling for spintronics, which typically harnesses functionalities from thin layers of magnetic and non-magnetic materials and the interfaces between them. In our recent Nature Nanotechnology review, we provide an provide an overview on recent progress and describe the outstanding perspectives  for ultracompact all-2D electronic devices with potential applications in conventional and quantum technologies.

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