Abstract.
We report on the first layer growth of a Mn6+-doped material. Large-size BaSO4 substrates of 10×6×4 mm3 were grown from a LiCl solvent by the flux method. Flat surfaces of undoped BaSO4 were then achieved by use of liquid-phase epitaxy (LPE) from a CsCl–KCl–NaCl solvent. Finally, BaSO4:Mn6+ layers were grown by LPE with growth velocities of approximately 3 μm h-1, at temperatures of 550–508 °C. Absorption, luminescence, luminescence-excitation and luminescence-decay measurements confirmed the incorporation of manganese solely in its hexavalent oxidation state. This material possesses potential as a near-infrared tunable laser with a wavelength range larger than Ti:sapphire.
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Received: 7 January 2002 / Revised version: 30 March 2002 / Published online: 8 August 2002
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Ehrentraut, D., Pollnau, M. & Kück, S. Epitaxial growth and spectroscopic investigation of BaSO4:Mn6+ layers. Appl Phys B 75, 59–62 (2002). https://doi.org/10.1007/s00340-002-0953-1
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DOI: https://doi.org/10.1007/s00340-002-0953-1