Spin electronics (also called magnetoelectronics or spintronics) is a new field of research combining two traditional branches of physics: magnetism and electronics. Electrons are tiny magnets as well as elementary charged particles, yet for 50 years conventional electronics has ignored the spin of the electron. Distinguishing and manipulating the spin-up and spin-down currents through nano-scale structuring of magnetic materials is expected to add a new dimension to the practice of electronics.This is an advanced level course given by the the Department of Applied Physics at KTH-Albanova. The course is elective for senior undegraduate and graduate students in related fields of study.

Syllabus

The aim of this course is to give an introduction to magnetism and transport in magnetic nano-structures. A special emphasis will be made on applications in future spin-based memory and logic.

Main content

• Origins of magnetism
• Normal and ferromagnetic materials
• Magnetic anisotropy
• Spin dynamics, magnetic resonances
• Micromagnetic spin structure
• Spin quantum computer
• Basic electron transport
• Giant Magnetoresistance
• Spin dependent tunnelling
• Spin-transfer torques, current induced switching
• Materials for spin electronics: thin film and nano-fabrication techniques
• Spin-valve and spin-tunnel devices in data storage, Magnetic RAM, sensors.

Instructor

Vlad Korenivski, vk@kth.se

Language of instruction

English

Prerequisites

The course will be given at the level suitable for graduate and senior undergraduate students. Modern Physics/Introductory Quantum mechanics is required.

Recommended previous knowledge

Solid State Physics (Kittel level) and Intermediate Quantum Mechanics (Griffiths level) are advantageous.

Grading scale

A/B/C/D/E/Fx/F

Examination

One lab exercise in charge transport measurements is required (LAB1, 2p, grading scale P/F). The examination will be through home project assignments (INL1, 6p, A/B/C/D/E/Fx/F).

Literature

The lectures will follow a Compendium, which will be sold for the cost of printing (~100 Kr) at the start of the course: Table of Contents.

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