Domain wall magneto-Seebeck effect

Article

关键词: THERMAL SPIN CURRENT;    CALORITRONICS;    RESISTIVITY;    FERROMAGNET;    METAL;   

DOI  :  10.1103/PhysRevB.92.140405

来源: SCIE

【 摘 要 】

The interplay between charge, spin, and heat currents in magnetic nanostructures subjected to a temperature gradient has led to a variety of novel effects and promising applications studied in the fast-growing field of spin caloritronics. Here, we explore the magnetothermoelectrical properties of an individual magnetic domain wall in a permalloy nanowire. In thermal gradients of the order of few K/mu m along the long wire axis, we find a clear magneto-Seebeck signature due to the presence of a single domain wall. The observed domain wall magneto-Seebeck effect can be explained by the magnetization-dependent Seebeck coefficient of permalloy in combination with the local spin configuration of the domain wall.

【 授权许可】

Free