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https://link.springer.com/article/10.1007/s10853-009-4052-0?error=cookies_not_supported&code=01454823-c2fd-4324-903b-26e2a0ab04e7
Feb 1, 2010 - The formation of metal-encapsulated carbon nanomaterials by using metallic catalysts (iron, cobalt, and nickel) has been studied. Moreover, these materials
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