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作者:Nobuo Iyi , Matthias Göbbels
来源:[J].Journal of Solid State Chemistry(IF 2.04), 1996, Vol.122 (1), pp.46-52Elsevier
摘要:Abstract(#br)A new phase in the system SrO–Al 2 O 3 –MgO, which was analyzed by EPMA as Sr 2 MgAl 22 O 36 , was recently found. It is located in the middle of the join connecting strontium hexaaluminate (SrAl 12 O 19 ) of magnetoplumbite structure and strontium magnesium hex...
作者:Nobuo Iyi , Matthias Göbbels , Yoshio Matsui
来源:[J].Journal of Solid State Chemistry(IF 2.04), 1995, Vol.120 (2), pp.364-371Elsevier
摘要:Abstract(#br)Crystals of two new phases, which were recently found in the system CaO-Al 2 O 3 -MgO lying on the join connecting calcium hexaaluminate (CaAl 12 O 19 ) of the magnetoplumbite structure and spinel (MgAl 2 O 4 ), were grown by the floating zone method. The stoı̀c...
作者:Nobuo Iyi , Matthias Göbbels , Shigeyuki Kimura
来源:[J].Journal of Solid State Chemistry(IF 2.04), 1998, Vol.136 (2), pp.258-262Elsevier
摘要:Abstract(#br)The crystals of a new phase, Ba 2 Mg 6 Al 28 O 50 , recently confirmed to exist in the system BaO–Al 2 O 3 –MgO, were grown by the floating zone method, and its crystal structure was determined by using single-crystal X-ray diffraction. The space group was P 6 m...
作者:Christo Guguschev , Jens Götze , Matthias Göbbels
来源:[J].American Mineralogist(IF 2.204), 2015, Vol.95 (4), pp.449-455De Gruyter
摘要:Abstract Synthetic rubies were grown by the optical floating zone method and characterized by cathodoluminescence (CL) microscopy and spectroscopy in combination with microprobe analysis. The measured intensity of the Cr3+-induced CL of corundum is influenced by d...
作者:Matthias Göbbels , Rainer Bross
来源:[J].European Journal of Mineralogy(IF 1.25), 2005, Vol.17 (3), pp.483-493Schweizerbart
摘要:We introduce a new approach for tracing the origin submerged entry nozzle precipitates (clogging) in continuous casting processes using stable oxygen isotopes. The isotopic signatures of possible oxygen sources are compared with the isotope ratios in the precipitates. We use infr...
作者:Andreas Richter , Matthias Göbbels
来源:[J].Journal of Phase Equilibria and Diffusion(IF 0.509), 2010, Vol.31 (2), pp.157-163Springer
摘要:Abstract(#br)The phase relations in the system CaO-Al 2 O 3 -Y 2 O 3 at 1400 and 1500 °C have been determined. The phase relations presented are in agreement with the calculated phase diagram by Udalov et al. ( Russ. J. Inorg. Chem., 1979, 24 (10), p 1549-1553). In addition ...

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