| 摘要 |
A crystal growth apparatus includes a vacuum sealable container, a crucible in the vacuum sealable container. The crucible can receive a polycrystalline material. The crucible comprises a seed well configured to hold a seed crystal. The wall of the crucible can include a base layer of a first material and a coated layer of a second material. The base layer provides mechanical strength to the crucible. A heater can heat the polycrystalline material to form a melt in contact with the seed crystal. The coated layer of the crucible allows a single crystal to grow in the melt.
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