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Fig. 5. (Color online) The expression to the thermally excited state in doped semiconductor (left – G2 (p.1264)) and illustration about bonding model with band model (right – M4 (p.461)).
New Phys.: Sae Mulli 2021;71:1044~1057 https://doi.org/10.3938/NPSM.71.1044
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