Methods of point-contact preparation Prof. I.V.Krive lecture presentation Address: Svobody Sq. 4, 61022, Kharkiv, Ukraine, Rooms. 5-46, 7-36, Phone: +38(057) ,

Thin films, 70-th Nanotechnology, 90-th Break junction, 90-th Needle-anvil, 75-th Sliding, 80-th Methods of point-contact preparation notch “Soft” PC, 2000-th

Most popular setup for PCs establishing at low temperatures Two metallic bars are touching in liquid He (at -270 C) Set up allows to move upper sample in 2 directions

Atomic contacts and nanowires G 0 =2e 2 /h=1/12.9 (k   Displacement A.I.Yanson et al., Nature, 395,783 (1998). J.M.Krans et al., Nature, 375,767 (1995).

Quantum point contacts in 2DEG and conductance quantization

Scanning tunneling microscope Gerd Binnig and Heinrich Rohrer (Nobel Prize in Physics 1986)

Atomic force microscope and force oscillations