Transition process to diamond from C60 fullerene

✍ Scribed by Hisako Hirai; Ken-ichi Kondo; Noriko Yoshizawa; Minoru Shiraishi

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 1003 KB
• Volume: 226
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(94)00762-4

✦ Synopsis

A transition process of Cso fullerene to diamond under shock compression was examined by exploring changes in the electron state and structure. A combined analysis using electronic energy loss spectroscopy and electron diffiactometry was carried out on variously altered CW and transformed diamond at 16 to 25 GPa. A few transient states, ( 1 )-( 3), showing unique electron states and structures were found. ( 1) The fee structure was almost unchanged, and the A plasmon was lost due to a decrease in the intercluster distance. (2) The basic structure was retained and intercluster bondings were generated. (3) The basic structure collapsed to become amorphous, while sp3 bonding was locally produced. Finally, complete bonding and long-range order structure of diamond were reconstructed.