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Journal Article

Long-lifetime spin excitations near domain walls in 1T-TaS2

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Thakur,  Gohil S.
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

/persons/resource/persons126601

Felser,  Claudia
Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Citation

Aishwarya, A., Raghavan, A., Howard, S., Cai, Z., Thakur, G. S., Won, C., et al. (2022). Long-lifetime spin excitations near domain walls in 1T-TaS2. Proceedings of the National Academy of Sciences of the United States of America, (22): 2121740119, pp. 1-7. doi:10.1073/pnas.2121740119.


Cite as: https://hdl.handle.net/21.11116/0000-000A-A013-B
Abstract
SignificanceThere is an intense ongoing search for two-level quantum systems with long lifetimes for applications in quantum communication and computation. Much research has been focused on studying isolated spins in semiconductors or band insulators. Mott insulators provide an interesting alternative platform but have been far less explored. In this work we use a technique capable of resolving individual spins at atomic length scales, to measure the two-level switching of spin states in 1T-TaS2. We find quasi-1D chains of spin-1/2 electrons embedded in 1T-TaS2 which have exceptionally long lifetimes. The discovery of long-lived spin states in a tractable van der Waal material opens doors to using Mott systems in future quantum information applications.