cvd znse plates ,laser grade,cubic or column Chemical FormulaZnSeMolecular Weight144.33Crystal ClassCubic, hexagonalCrystal StructurePolycrystallineDensity, g/cm3 at 293 K5.27Melting Temperature, K1790Thermal Conductivity, W/(m K) at 300 K18Thermal Expansion, 1/Kat 173 Kat 273 Kat 473 K5.6 x 10-67.1 x 10-68.3 x 10-6Specific Heat, cal/(g K) at 296 K0.081Debye Temperature, K246Bandgap, eV2. ...