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Crystal Growth
In article number 2308047, Katsuya Teshima and co‐workers report low‐temperature growth of ruby (chromium‐doped Al2O3) crystals at 750 °C, which is one‐third of the conventional required temperature (2050 °C). Supersaturation derived from decomposition of crystal‐solvent intermediates leads to this achievement. The proposed method is a novel eco‐friendly and low energy‐consumption process...
Crystal growth methods that do not require high temperatures are highly needed for the facile growth of oxide single crystals with melting points of several thousand degrees Celsius. This paper represents the first report of a method for the low‐temperature growth of ruby crystals (chromium‐doped Al2O3) at 750 °C, which is one‐third of the conventionally required temperature (2050 °C). In solution‐based...