Quasiparticle spectroscopy, transport, and magnetic properties of Nb films used in superconducting transmon qubits

  1. Kamal R. Joshi,
  2. Sunil Ghimire,
  3. Makariy A. Tanatar,
  4. Amlan Datta,
  5. Jin-Su Oh,
  6. Lin Zhou,
  7. Cameron J. Kopas,
  8. Jayss Marshall,
  9. Josh Y. Mutus,
  10. Julie Slaughter,
  11. Matthew J. Kramer,
  12. James A. Sauls,
  13. and Ruslan Prozorov
Niobium thin films on silicon substrate used in the fabrication of superconducting qubits have been characterized using scanning and transmission electron microscopy, electrical transport,