Use this semiconductor calculation for first-order device, material, fabrication, interconnect, packaging, or reliability estimates when every coefficient and unit convention is known.

Donor doping (cm^-3)

Required number in cm^-3. Uniform donor concentration in the film. Must be greater than 0 cm^-3.

Thickness (µm)

Required number in µm. Film thickness. Must be greater than 0 µm.

The cited overview of Electron mobility supplies background for the terminology and domain context used by this tool.^[1]

Compute the sheet resistance of a uniformly doped silicon film assuming constant electron mobility. Inputs are interpreted exactly in the displayed units and the calculation returns the following fields without presentation rounding.

Sheet resistance (Ω/sq)

Returned number in Ω/sq. Sheet resistance in ohms per square.

• Material composition, geometry, process history, temperature, electric field, bias, interfaces, parasitics, and fitted parameter ranges can invalidate a compact semiconductor model.
• Donor doping must be at least 5e-324.
• Thickness must be at least 5e-324.
• Use finite inputs in the displayed units, preserve source measurements and assumptions, and independently verify consequential decisions.

Compare the estimate with measured process data, current device documentation, and a higher-fidelity circuit, field, thermal, quantum, or TCAD model when the decision requires it.

• Doped Silicon Sheet Conductance Calculator

  Compute the sheet conductance of a uniformly doped silicon film assuming constant electron mobility.

• Conductivity From Doping Calculator

  Compute the silicon conductivity of uniformly doped material from majority-carrier mobility at 300 K. Assumes low-field Caughey-Thomas mobility and complete ionization.

• Resistivity From Doping Calculator

  Compute the silicon resistivity of uniformly doped material from majority-carrier mobility at 300 K. Assumes low-field Caughey-Thomas mobility and complete ionization.