期刊
CARBON
卷 61, 期 -, 页码 644-647出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2013.05.022
关键词
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The graphite-like thin sheets (GLSs) used in this study were prepared by laser ablation of graphite in argon gas. The obtained GLSs were neat, untouched and free-standing. We discovered a new phenomenon with them: even layer numbers (2, 4, 6, and 8) preferentially formed, and their population decreased as the layer number increased. This suggests a new growth mechanism in which single-layer GLSs bend to form bi-layers, and the bi-layers then pile up to form thicker GLSs. The inter-layer distances for bi-layers were about 15% larger than that of bulk graphite, and they approached the bulk value as the layer number increased. (C) 2013 Elsevier Ltd. All rights reserved.
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