Epitaxial growth and spectroscopic investigation of BaSO4:Mn6+ layers

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Ehrentraut, D. and Pollnau, M. and Kück, S. (2002) Epitaxial growth and spectroscopic investigation of BaSO4:Mn6+ layers. Applied physics B: Lasers and optics, 75 (1). pp. 59-62. ISSN 0946-2171

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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 μmh−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.
Item Type:Article
Copyright:© 2002 Springer
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Link to this item:http://purl.utwente.nl/publications/70081
Official URL:http://dx.doi.org/10.1007/s00340-002-0953-1
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