商议
发表于 2025-3-23 13:01:50
hydrogen-like bond state, the exciton. The spectrum of free Wannier–Mott excitons in bulk crystals is described by a Rydberg series with an effective Rydberg constant given by the reduced effective mass and the dielectric constant. A small dielectric constant and large effective mass yield a localiz
acquisition
发表于 2025-3-23 16:48:50
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招人嫉妒
发表于 2025-3-23 18:32:50
Shashank Jainhydrogen-like bond state, the exciton. The spectrum of free Wannier–Mott excitons in bulk crystals is described by a Rydberg series with an effective Rydberg constant given by the reduced effective mass and the dielectric constant. A small dielectric constant and large effective mass yield a localiz
VERT
发表于 2025-3-23 23:41:05
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侵略者
发表于 2025-3-24 03:03:47
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Resign
发表于 2025-3-24 10:18:28
Shashank Jain called insulators. Metallic conductivity is typically between 10. and 10. (Ω cm)., while typical insulators have conductivities of less than 10. (Ω cm).. Some solids with conductivities between 10. and 10. (Ω cm). are classified as . However, substances such as alkali-halides whose conductivity is
FER
发表于 2025-3-24 11:33:14
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雄伟
发表于 2025-3-24 18:35:14
h respect to the exciton state. The binding energy of all excitonic quasiparticles is significantly enhanced in low-dimensional semiconductors. Basic features of confined excitons with strongest transitions between electron and hole states of equal principal quantum numbers remain similar. The three
容易懂得
发表于 2025-3-24 22:02:05
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男生戴手铐
发表于 2025-3-25 02:22:05
Shashank Jaine ferromagnetic and antiferromagnetic regimes at lower temperature..The spin of carriers is utilized in spintronics for current control by creating a nonequilibrium spin polarization. When phase effects can be neglected, the transport of spin-polarized carriers is described by a two-current model as