@misc{indiciae1b5c6f9d17cb,
  title = {A solid state paramagnetic maser device driven by electron spin injection.},
  author = {S M Watts and B J van Wees},
  year = {2006},
  doi = {10.1103/physrevlett.97.116601},
  url = {https://pubmed.ncbi.nlm.nih.gov/17025913/},
  note = {Source identifier: 17025913}
}