Abstract
Carbon nanofibers have been formed on iron details of the high isostatic pressure (HIP) apparatus. Transmission electron microscopy (TEM) and scanning transmission electron microscopy (STEM) techniques proved the existence of faceted catalyst particles found in the middle part of fibers and allowed identification of their lattice and composition as the pseudo-hexagonal crystalline lattice of Fe7C3. Two system of arc-reflections with 0.335-nm spacing were ascribed to two different orientations of graphite layers and a trace analysis showed that the growth direction of the fiber coincides with the [210]-direction of pseudohexagonal Fe7C3-lattice. This direction is compared with directions of fibers formed on bcc-Fe and Fe3C.
Original language | English |
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Pages (from-to) | 931-934 |
Number of pages | 4 |
Journal | Diamond and Related Materials |
Volume | 11 |
Issue number | 3-6 |
DOIs | |
Publication status | Published - Mar 2002 |
Keywords
- Carbide
- Fibres
- Sp-bonding
- Transmission electron microscopy