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Search for material by chemical symbol:
Material (Index) Definition
Se 
Selenium
ZnSe 
Zinc Selenide

General characteristics: in preparation


Crystal structure: zinc blend
Lattice constant [nm]: 0.566
Density [g/cm3]: 5.42
Atomic concentration [cm-3]:
Melting point [oC]: 1,520
Thermal conductivity [W/cm oC]:
Thermal expansion coefficient[1/oC]:
Dielectric constant (static): 9.2
Refractive index: 2.89
Energy gap [eV]: 2.6
Type of energy gap: direct
Drift mobility [cm2/V-sec]:
Electron: 540
Hole: 30
Intrinsic carrier conc. [cm-3]:

CdSe 
Cadmium Selenide

General characteristics: II-VI emiconductor compound potentially useful in various photonic device and solar cell applications; recently explored in the form of nanocrystalline quantum dot for LED applications.


Crystal structure: wurzite (hexagonal)
Lattice constant [nm]: a 0.429; c 0.7

Density [g/cm3]: 5.81
Atomic concentration [cm-3]:
Melting point [oC]: 1268
Thermal conduct.[W/cm K]: 0.04
Th. expansion coeff.[1/oC]:
Dielectric constant (static):
Refractive index: 2.4
Energy gap [eV]: 1.74
Type of energy gap: direct
Drift mobility [cm2/V sec]:
Electron: 900
Hole
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