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Single layer silicon beads (SLSB) and chunks (SLSC) coated with silicon nitride were used as seed layer to grow high-quality multicrystalline silicon (mc-Si) ingots. The mc-Si ingots were grown using various sizes of the Si beads and chunks in the range of <1mm up to 4mm as seed layer. Grain size, grain orientation and grain boundary density were analyzed over ingot heights. It was found that SLSB...