Mechanical controllable pitch difference split junction device utilizing pico-scale changes continuously implemented

The present invention discloses a method of using the pitch difference between the distance between electrodes to achieve mechanical accuracy in the pico-scale changes continuously controllable junction device and a method for cracking. The present invention pertains to a novel cracking controllable mechanical junction (MCBJ) devices, the pitch can be applied between different sensors and the field of molecular electronics, a coaxial screw pitch fine nano heterodyning splitting device chip, can be implemented in the skin manipulating the distance between the two electrodes on the meter level accuracy, thus creating a single molecular structure of construction, so as to realize the study of molecular structure of single characteristics, provide a valuable reference for the development of single-molecule device.