Specific features of the electronic properties of Ti50Ni50–x Cu x alloys with the shape memory effect

Abstract

The magnetic susceptibility, electrical resistivity, and thermoelectric power of Ti50Ni50‒xCux alloys with copper concentrations x ⩽ 25 at % have been measured in the temperature range of 2–500 K. The change in the electronic band structure near the Fermi level upon thermoelastic martensitic transformations, such as B2 ↔ B19′, B2 ↔ B19 ↔ B19′, and B2 ↔ B19, has been considered.