Table 2. EXAFS of CuZnGa samples of various calcination temperatures and chemical compositions.
Sample | Cu:Zn:Ga | Enot* | CN (bcc Cu-Zn & fcc Cu-Cu) | (Cu-Zn & fcc Cu-Cu) | Bond length (Å) (Cu-Zn & fcc Cu-Cu) | CN (bcc Cu-Cu) | DW-factor (bcc Cu-Cu) | Bond length (Å) (bcc Cu-Zu) | R-factor |
---|---|---|---|---|---|---|---|---|---|
CZG28–280 | 43:47:10 | 4.2 | 6.9 (4) | 0.012 (1) | 2.55 (1) | 1.1 (4) | 0.013 (5) | 2.96 (3) | 0.8% |
CZG28–330 | 43:47:10 | 4.8 | 6.4 (3) | 0.010 (1) | 2.53 (1) | 1.5 (5) | 0.014 (4) | 2.95 (3) | 0.6% |
CZG28–380 | 43:47:10 | 4.7 | 7.6 (4) | 0.011 (1) | 2.54 (1) | 1.0 (5) | 0.014 (5) | 2.98 (4) | 0.8% |
CZG28–450 | 43:47:10 | 4.2 | 6.4 (3) | 0.010 (1) | 2.54 (1) | 0.6 (3) | 0.011 (5) | 3.03 (4) | 0.7% |
CZG28–500 | 43:47:10 | 4.5 | 9.3 (3) | 0.010 (1) | 2.54 (1) | None | None | None | 0.4% |
CZG29 | 43:52:5 | 0.5 | 7.5 (4) | 0.010 (1) | 2.54 (1) | 1.8 (6) | 0.014 (3) | 2.94 (1) | 0.5% |
CZG30 | 43:37:20 | 1.5 | 7.3 (2) | 0.008 (1) | 2.54 (1) | 1.0 (4) | 0.013 (4) | 3.00 (3) | 0.4% |
CZG32 | 43:19:38 | 3.1 | 8.2 (2) | 0.009 (1) | 2.54 (1) | 0.6 (1) | 0.003 (2) | 3.01 (2) | 0.4% |
*Enot is the energy difference of absorption energy in experimental value and calculated value.