Regensburg 2019 – wissenschaftliches Programm
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KFM: Fachverband Kristalline Festkörper und deren Mikrostruktur
KFM 12: Diamond II (joint session KFM/HL)
KFM 12.4: Vortrag
Mittwoch, 3. April 2019, 10:50–11:10, PHY 5.0.20
High nitrogen doping of CVD-diamond — •Julia Langer1, Volker Cimalla1, Verena Zürbig1, Jan Jeske1, Tim Eichhorn2, Brett Johnson3, Lutz Kirste1, Christoph Schreyvogel1, Arne Götze1, and Oliver Ambacher1 — 1Fraunhofer Institute for Applied Solid State Physics, Tullastraße 72, 79108 Freiburg — 2NVision Imaging Technologies GmbH, Albert-Einstein-Allee 11, 89081 Ulm, Germany — 3The University of Melbourne, Victoria 3010, Australia
Nitrogen-vacancy centers in diamond are studied extensively over the past decades. Their properties as quantum system feature a wide range of applicability. A new approach is the growth of high nitrogen doped CVD-diamond to create ensembles of nitrogen-vacancy centers for the purpose of measuring sensitive magnetic fields by laser threshold magnetometry. The challenge arises from keeping detrimental material effects low such as absorption and the incorporation of other magnetic moments. Within this study we investigate the nitrogen incorporation in CVD-diamond depending on nitrogen flow and growth rates. A comparison of growth series with different crystallographic oriented substrates shows new insight in the varying dependencies.