Isotope engineering of silicon and diamond for quantum computing and sensing applications
By Kohei M. Itoh, H. Watanabe. 2014
199 citations recorded by the source corpus.
Some 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, or ^12C) 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.
Subfields: Computational Mechanics, Electrical and Electronic Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/3d257d342dba3273f6e99b6622421ae4fc8aaadd
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In Electrical and Electronic Engineering
In Materials Chemistry
Citations in the corpus
- Materials challenges and opportunities for quantum computing hardware (2021, background): “To fully make use of the limited amount of separated spin-free isotopes, such isotopes are used to grow thin single crystalline layers on top of natural substrates by means of chemical vapor deposition (CVD) and/or molecular beam epitaxy (MBE) ( 166 ).”
- Sensitivity optimization for NV-diamond magnetometry (2019, background): “Reducing the 13C content below the natural abundance concentration [13C] = 10700± 800 ppm ≈ 1.1% (Wieser et al., 2013) through isotope engineering is the most direct way to mitigate this effect (Balasubramanian et al., 2009; Bauch et al., 2018; Itoh and Watanabe, 2014).”