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Flux growth and liquid-phase epitaxy of Mn6+-doped barium sulfate
D. Ehrentraut,Y.E. Romanyuk,M. Pollnau 한양대학교 세라믹연구소 2004 Journal of Ceramic Processing Research Vol.5 No.3
We investigated the conditions for the growth of Mn6+-doped from the ternary eutectic NaCl-KCl-CsCl solvent at temperatures of 480-600oC. The doping complex ion MnO42− can easily substitute the SO4 2− complex ion in BaSO4 with its orthorhombic space group Pnma. The growth of Mn6+-doped BaSO4 was performed using liquid-phase epitaxy by applying an advanced growth strategy. High-quality layers were grown according to the step-flow mode with step heights of maximum 1.5 unit cells and step widths of 200 nm. The defect density was reduced to 1 ×103 and 7×104 etch pits cm−2 for (011) and (001), respectively.