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haodong1121金蟲 (正式寫手)
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[求助]
“價(jià)帶區(qū)域的各DOS峰有向費(fèi)米能級(jí)移動(dòng)的趨勢(shì),說(shuō)明能帶重疊增加”的原理是什么?
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這一句來(lái)源于Journal of Physics and Chemistry of Solids 68 (2007) 1762-1769(Electronic structure and optical properties of crystalline strontium azide and barium azide by ab initio pseudopotential plane-wave calculations)在分析氮化鍶和氮化鋇時(shí)的話。原話是:With the increment of alkaline-earth metals’ electropositivity of the azides, the peaks of DOS in the valence band region have a tendency shifting to the Fermi level. This is understood that the overlap of the energy bands is increased. 請(qǐng)問(wèn)各位:這一原理是什么?或者提供該原理的出處也行。初學(xué)DOS分析,請(qǐng)多指教。 ![]() |

金蟲 (正式寫手)

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