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sp-band
d-orbital = transport 할 때는 중요핮 ㅣ않다.
well-localized: important magnetic property. (magnetic property 결정할때는 중요!) In transition metals, d orbit is not important in the chemical properties
small band width, large D(E)
spin-dependent scattering => d-orbital 자리 많아서?
In transition metals, d orbit is not important in the cemical properties
sp = 날씬: parabolic (Density of states가 적어서 질량 적고, free)
d = 뚱뚱: DOS 커서 질량 커지고, localized
Hybridization of Bands
s-electrons are more spread out, so that it has large $\beta$ than d-electron.
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