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Observed Lattice Property Data
          Table 2.1. Lattice properties of the most important microsystem base materials a .
                 Thermal  Gallium   Process   Arsenide   Si 3 N 4 Oxide SiO 2 GaAs -Quartz  α  Ga: 69.72 Si: 28.0855 Si: 28.0855 28.0855  Si:  As: 74.9216  N: 14.0067 O: 15.994 O: 15.994  Zinc-blende Amorphous Trigonal  Amorphous  Cubic  symmetry  symmetry  5320  3100  2650 < 2200  Pure:  320  97 –  Y:  87  Y:  75  72 –  Y:  : 118.1  C 11  -


                       .                  174
                  LPCVD  Poly-Si  28.0855  Si:  Poly-  crystalline  2330  Y: 130 –  S: 69




               Crystalline   Silicon  Si  28.0855  Si:  Carbon-like,   Cubic   symmetry  2330  Pure:  : 166  C 11  : 63.9  C 12  : 79.6  C 44  p-Type:  : 80.5  C 11  : 115  C 12  : 52.8  C 44  n-Type:  : 97.1  C 11  : 54.8  C 12  : 172  C 44







                                      )  m 3  kg ⁄

                    Property  Atomic Weight  Crystal class/  Symmetry  Density (  Elastic moduli   )  (Gpa  Y: Young modulus  B: Bi-axial modulus  S: Shear modulus  : Tensor   C i  coefficients.






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