Due to the high affinity of carbon to boron, the preparation of carbon-free boron is problematic. Even high-purity (6N) beta-rhombohedral boron contains 30-60 ppm of C. Hence, carbon affects the… Click to show full abstract
Due to the high affinity of carbon to boron, the preparation of carbon-free boron is problematic. Even high-purity (6N) beta-rhombohedral boron contains 30-60 ppm of C. Hence, carbon affects the bo ...
               
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