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Isolated electron spins in silicon carbide with millisecond coherence times
University of Chicago, IL 60637 USA; University of Calif Santa Barbara, CA 93106 USA.
University of Chicago, IL 60637 USA.
University of Chicago, IL 60637 USA; University of Calif Santa Barbara, CA 93106 USA.
University of Chicago, IL 60637 USA; University of Calif Santa Barbara, CA 93106 USA.
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2015 (English)In: Nature Materials, ISSN 1476-1122, E-ISSN 1476-4660, Vol. 14, no 2, 160-163 p.Article in journal (Refereed) Published
Abstract [en]

The elimination of defects from SiC has facilitated its move to the forefront of the optoelectronics and power-electronics industries(1). Nonetheless, because certain SiC defects have electronic states with sharp optical and spin transitions, they are increasingly recognized as a platform for quantum information and nanoscale sensing(2-16). Here, we show that individual electron spins in high-purity monocrystalline 4H-SiC can be isolated and coherently controlled. Bound to neutral divacancy defects(2,3), these states exhibit exceptionally long ensemble Hahn-echo spin coherence times, exceeding 1 ms. Coherent control of single spins in a material amenable to advanced growth and microfabrication techniques is an exciting route towards wafer-scale quantum technologies.

Place, publisher, year, edition, pages
Nature Publishing Group , 2015. Vol. 14, no 2, 160-163 p.
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-114989DOI: 10.1038/NMAT4144ISI: 000348600200011PubMedID: 25437259OAI: oai:DiVA.org:liu-114989DiVA: diva2:794443
Note

Funding Agencies|NSF; Center for Nanoscale Materials [CNM 39211]; Knut and Alice Wallenberg Foundation; Linkoping Linnaeus Initiative for Novel Functionalized Materials; Swedish Government Strategic Research Area Grant in Materials Science (Advanced Functional Materials); Ministry of Education, Science, Sports and Culture of Japan [26286047]; AFOSR MURI

Available from: 2015-03-11 Created: 2015-03-06 Last updated: 2017-12-04

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ul-Hassan, JawadTien Son, NguyenJanzén, Erik

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