Circular shape

Mohaddes-Ardabili, L, H Zheng, Q Zhan, S.Y Yang, Ramamoorthy Ramesh, L Salamanca-Riba, M Wuttig, S.B Ogale, and X Pan. "Size and shape evolution of embedded single-crystal α -Fe nanowires." Applied Physics Letters 87 (2005) 1–3.

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