Lecture | Spin Electronics
S 2019
Electrical transport in metals:
- Boltzmann-equation, scattering processes
- electrical and magnetic properties of metals
- magnetoresistance and Hall-effect, anomalous Hall-effect
- 2 spin-channel model
Magnetoelectronics:
-positive magnetoresistance
-negative magnetoresistance
-anisotropic magnetoresistance
-colossal magnetoresistance
-giant magnetoresistance, osciallating exchange interaction, exchange anisotropy, artificial antiferromagnets, intrinsic and extrinsic GMR
-spin valves
-tunnel magnetoresistance
-ferromagnet/insulator/superconductor heterostructures
-extraordinary magnetoresistance
Spinelectronics:
-spininjection into semiconductors
-spin-light emitting diodes and spin-transistors
Applications:
-XMR-sensors
-magnetoresistive read heads, hard disk drives
-magnetic random access memory