Patent ID: 6893884

Claim:
A method for measuring dopant concentration of a semiconductor, said method comprising: determining temperature of a tip of a probe; determining temperature of a semiconductor sample; determining a voltage at a location on a surface of said semiconductor sample with said tip of said probe; and determining dopant concentration at said location of said surface of said semiconductor sample by n ⁡ ( x , y ) = N c ⁢ exp ⁡ [ - eV ⁡ ( x , y ) β ⁢ ⁢ k B ⁡ ( T 1 - T 0 ) ] where n(x,y)=dopant concentration at location (x,y) on said semiconductor sample surface e=charge of electron V(x,y)=voltage at location (x,y) on said semiconductor sample surface T 0 =temperature of said semiconductor sample T 1 =temperature of said tip of said probe K B =Boltzman constant β=constant N c =constant.