Table 1 Growth conditions for one-dimensional LaB6 nanostructures
Sample | Si substrates | Catalysts | Distance between the source and the substrates (cm) | T (°C) | t (min) | Reactionpressure (Pa) | Wash gas: the ratio of H 2 /Ar and flow (s.c.c.m.) | Reaction gas: the ratio of H 2 /B 2 H 6 and flow (s.c.c.m.) |
|---|---|---|---|---|---|---|---|---|
a | <100> | No | 3 | 930 | 30 | ∼15 | 3:7; 100 | 1:19; 30 |
b | <100> | No | 8 | 930 | 30 | ∼15 | 3:7; 100 | 1:19; 30 |
c | <100> | No | 5 | 970 | 30 | ∼15 | 3:7; 100 | 1:19; 30 |
d | <100> | No | 8 | 970 | 30 | ∼15 | 3:7; 100 | 1:19; 30 |
