Semiconductors

r Density (g cm-3)

a Lattice parameter (nm)

Typically at 300 K

Disclaimer: Complied by averaging of data from a number of sources (© S.O. Kasap 1997). Please use with caution. Accuracy is not guaranteed and no liability is accepted.

 

Semiconductor Crystal Density

(g cm-3)

a

(nm)

Comment
Ag2S a-monoclinic 7.23 a = 0.423

b =0.691

c = 0.787

b = 99o 35’

Stable form at RT
AlAs ZB 3.60; 3.76 0.5561  
AlN Wurt. 3.225 a = 0.311

c = 0.498

 
AlP ZB 2.40 0.5460-0.5464  
AlSb ZB 4.26 0.6136  
As Rhom. 5.72 a = 0.4132

a = 54.13°

 
As2Se3   4.75    
As2Te3   6.0 1.44  
B a-rhom. 2.45 a = 0.5057

a = 58.06°

 
B b-rhom. 2.32 a = 1.0145

a = 65.1°

 
BAs ZB 5.22 0.4777  
Bi Rhom. 9.8 a = 0.4746

a = 57.2°

 
Bi2Te3   7.7 1.045  
BN Hex. 2.18 a = 0.6661

c = 0.2504

Hexagonal structure is the stable form
BP ZB 2.97 0.4538  
C (Diamond) Diamond 3.515 0.3567  
Cd2As3   6.21   II-V
CdO NaCl 8.15 0.4689  
CdS (Wurt.) Wurt 4.82 a = 0.4136

c = 0.6714

 
CdS (ZB) ZB 4.82? 0.583  
CdSb   6.92 0.647 II-V
CdSe Wurt. 5.81; 5.74 a = 0.43

c = 0.7011

 
CdTe ZB 5.86; 5.87;

6.20

0.6482  
GaAs ZB 5.318 0.5653  
GaN Wurt. 6.09-6.1 a =0.3160- 0.3190

c = 0.5125-0.5190

 
GaP ZB 4.14 0.5451  
GaSb ZB 5.614 0.6096  
Ge Diam. 5.32 0.5658  
In2Se3   5.67   III-VI
In2Te3   5.78 0.615 III-VI
InAs ZB 5.66 0.6058  
InN   6.81 a =0.3545

c = 0.5704

 
InP ZB 4.80 0.5869  
InSb ZB 5.77 0.6479  
Mg2Si   1.94 0.634 II-IV
Mg2Sn   3.66 0.675 II-IV
P (Black) Orthorhom. 2.7 a = 0.313

b = 0.4374

c = 1.047

 
PbS NaCl 7.59 0.5936  
PbSe NaCl 8.10; 8.26; 8.73 0.6150  
PbTe NaCl 8.2 0.646  
PtSb2     0.643  
S (a-S) Orthorhom. 2.07 a = 1.046

b = 1.288

c = 2.448

 
Sb Rhom. 6.69 a = 4507

a = 57.1°

 
Sb2Se3   5.81 1.168 V-VI
Sb2Te3   6.5    
Se (g-Se) Trigonal 4.82 a = 0.436

c = 0.495

 
Si Diam. 2.33 0.543  
Si3N4 Amor. 3.1 Insulator in microelectronics
SiC (Cubic) Cubic (ZB) 3.17 0.4360  
SiC (Hex.) Hex. 3.21 a = 0.3081

c = 1.5117

 
SiO2 Amor. 2.27 Insulator in microelectronics
Te Trigonal 6.25 c = 0.595

u = 0.0268

 
Zn3As2   5.53    
ZnO Wurt. 5.675 a = 0.3253

c = 0.5213

 
ZnS (Wurt.) Wurt. 4.087 a = 0.3822

c = 0.6260

Wurtzite form
ZnS (ZB) ZB 4.075 0.5410 Cubic form
ZnSb   6.33   II-V
ZnSe (Wurt.) Wurt. 5.26; 5.27; 5.65 a = 0.4013

c = 0.654

 
ZnSe (ZB) ZB 5.27 0.5266  
ZnTe ZB 5.70; 5.51 0.6103