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Problem Addressed

A trend towards miniaturized electronic products has driven a demand for an increased number of functionalities and capabilities in smaller areas. This trend has generated a need for integrated circuits with increased density, enhanced computing power, and extended operational life. With a lack of electrical resistance, superconducting materials have the potential to deliver on these demands, providing enhanced performance in integrated circuit devices. A superconducting materials’ performance is determined by the coherence time it experiences as a superconducting quantum bit (qubit). Long coherence times are necessary compared to logic gate times for building a fault tolerant quantum computer.  A high intrinsic quality factor (Q) is indicative of a long coherence time; though not many materials meet this requirement. In addition, a high performance material must have a uniform composition across a wafer, have wafer-to-wafer reproducibility, maintain stability over a milli-Kelvin temperature range, and meet the mandatory requirements of stability.