Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 32, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202105488
Keywords
quantum computation; quantum devices; quantum dots; silicon nanostructures; spin qubits
Categories
Funding
- Australian Research Council [FL190100167, CE170100012, LE160100069]
- US Army Research Office [W911NF-17-1-0198]
- NSW Node of the Australian National Fabrication Facility
- UNSW Sydney
- Australian Research Council [LE160100069, FL190100167] Funding Source: Australian Research Council
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Quantum computers have the potential to solve problems in multiple industries efficiently, but require millions of qubits for error correction. Silicon quantum dots with electron spins are strong contenders for encoding qubits, but commercially manufactured transistors may have a different impact on their performance.
Quantum computers have the potential to efficiently solve problems in logistics, drug and material design, finance, and cybersecurity. However, millions of qubits will be necessary for correcting inevitable errors in quantum operations. In this scenario, electron spins in gate-defined silicon quantum dots are strong contenders for encoding qubits, leveraging the microelectronics industry know-how for fabricating densely populated chips with nanoscale electrodes. The sophisticated material combinations used in commercially manufactured transistors, however, will have a very different impact on the fragile qubits. Here some key properties of the materials that have a direct impact on qubit performance and variability are reviewed.
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