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Evidence for near-infrared photoluminescence of nitrogen vacancy centers in 4H-SiC

S. A. Zargaleh, B. Eble, S. Hameau, J.-L. Cantin, L. Legrand, M. Bernard, F. Margaillan, J.-S. Lauret, J.-F. Roch, H. J. von Bardeleben, E. Rauls, U. Gerstmann, and F. Treussart
Phys. Rev. B 94, 060102(R) – Published 5 August 2016
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Abstract

We present evidence of near-infrared photoluminescence (PL) signature of nitrogen vacancy centers (NCVSi) in silicon carbide (SiC). This center exhibits an S=1 ground state spin similar to the NV center in diamond. We have performed photoluminescence excitation measurements at cryogenic temperature and demonstrated efficient photoexcitation of distinct photoluminescence from (NCVSi) in 4H-SiC. Furthermore, by correlating the energies of measured zero phonon lines (ZPLs) with theoretical values derived from hybrid density functional theory each of the ZPLs has been associated to the respective occupation of hexagonal (h) and quasicubic (k) lattice sites in close analogy to neutral divacancy centers (VCVSi)0 in the same material. Finally, with the appropriate choice of excitation energy we demonstrated the selective excitation of (NCVSi) PL with no contamination by (VCVSi)0 PL, thereby opening the way towards the optical detection of (NCVSi) electron spin resonance.

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  • Received 6 June 2016
  • Revised 18 July 2016

DOI:https://doi.org/10.1103/PhysRevB.94.060102

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

S. A. Zargaleh1,2,*, B. Eble2, S. Hameau2, J.-L. Cantin2, L. Legrand2, M. Bernard2, F. Margaillan2, J.-S. Lauret1, J.-F. Roch1, H. J. von Bardeleben2, E. Rauls3, U. Gerstmann3,†, and F. Treussart1,‡

  • 1Laboratoire Aimé Cotton, CNRS, Univ. Paris-Sud, ENS Cachan, Université Paris-Saclay, 91405 Orsay Cedex, France
  • 2Sorbonne Universités, UPMC Université Paris 06, CNRS-UMR 7588, Institut des NanoSciences de Paris, 75005 Paris, France
  • 3Lehrstuhl für Theoretische Physik, Universität Paderborn, 33098 Paderborn, Germany

  • *soroush.abbasizargaleh@ens-cachan.fr
  • uwe.gerstmann@upb.de
  • francois.treussart@ens-cachan.fr

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Issue

Vol. 94, Iss. 6 — 1 August 2016

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