GROWTH OF MANGANESE FILLED CARBON NANOFIBERS IN THE VAPOR-PHASE

被引:146
作者
AJAYAN, PM [1 ]
COLLIEX, C [1 ]
LAMBERT, JM [1 ]
BERNIER, P [1 ]
BARBEDETTE, L [1 ]
TENCE, M [1 ]
STEPHAN, O [1 ]
机构
[1] UNIV MONTPELLIER 2,DYNAM PHASES CONDENSEES GRP,F-34095 MONTPELLIER,FRANCE
关键词
D O I
10.1103/PhysRevLett.72.1722
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We report the vapor phase growth of partially filled graphitic fibers, 20-30 nm in diameter and up to a micron in length, during a manganese catalyzed carbon electric arc discharge. The fiber morphology resembles that of catalytic chemical vapor deposited carbon filaments but the inside hollow contains intermittent precipitates and continuous fillings of Mn that at times occupy > 50% of fiber lengths. Transmission electron microscopy and electron energy loss line spectra show that the fillings form as solid cores and may correspond to pure metal.
引用
收藏
页码:1722 / 1725
页数:4
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