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. 2015 Feb 11;10:61. doi: 10.1186/s11671-015-0771-0

Figure 8.

Figure 8

The explanation for the dependence of HRS retention on different LRS. (a) The HRS programmed from lower LRS has a smaller residual filament, resulting in slower copper diffusion and better HRS retention. (b) On the contrary, the HRS programmed from higher LRS shows the worse retention.