Titanium Nitride (TiN)¶
Superconducting Materials
High Kinetic Inductance Superconductor
Tc = 4–5.6 K (tunable)
Titanium Nitride (TiN)¶
High Kinetic Inductance Superconductor
Role in quantum circuits
- Kinetic inductance detectors (KIDs), high-impedance resonators, superconducting
inductors
Why it matters
- TiN has a large kinetic inductance arising from its high normal-state resistivity. This
makes it ideal for compact high-impedance resonators and microwave kinetic inductance detectors (MKIDs). Its Tc is tunable by adjusting nitrogen content during reactive sputtering deposition.
Key facts
High kinetic inductance — enables compact circuit elements
Tc tunable via N₂ partial pressure during sputtering deposition
Hard, chemically stable coating — easy to pattern by etching
Useful in microwave kinetic inductance detector-style structures
Relevant for next-generation qubit designs