Figure 1.

SEM images (a,b), TEM images (c,d) and EDX spectrum (e) of BNNTs. The BNNTs were produced by heating the Fe(NO3)3 + B milled powder in N2 + 15% H2 gas at 1,100°C.

Li et al. Nanoscale Research Letters 2012 7:417   doi:10.1186/1556-276X-7-417
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