Abstract
AbstractSome of the stable isotopes of silicon and carbon have zero nuclear spin, whereas many of the other elements that constitute semiconductors consist entirely of stable isotopes that have nuclear spins. Silicon and diamond crystals composed of nuclear-spin-free stable isotopes (28Si,30Si, or12C) are considered to be ideal host matrixes to place spin quantum bits (qubits) for quantum-computing and -sensing applications, because their coherent properties are not disrupted thanks to the absence of host nuclear spins. The present paper describes the state-of-the-art and future perspective of silicon and diamond isotope engineering for development of quantum information-processing devices.
Highlights
Quantum computing and sensing are emerging concepts that can surpass the theoretical achievable limit of current classical computing and sensing technologies
The importance of eliminating background 29Si nuclear spins (4.7% isotopic abundance in naturally available silicon) was suggested because 29Si nuclear spins could act as a source of magnetic noise, disturbing the 31P nuclear spin quantum information.[3]
This review provides a perspective on the use of isotope engineering for quantum computation and sensing using silicon and diamond
Summary
Quantum computing and sensing are emerging concepts that can surpass the theoretical achievable limit of current classical computing and sensing technologies.
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