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In this engineering course, you will learn about magnetic materials and devices including electronic and optical material. You will learn magnetic data storage, motors, transformers, and spintronics.

This course will explain the basis of electrical, optical, and magnetic properties of materials including semiconductors, metals, organics, and insulators. You will know how devices are built to take advantage of these properties, a strong emphasis on new and emerging technologies will be given.


This course does not involve any written exams. Students need to answer 5 assignment questions to complete the course, the answers will be in the form of written work in pdf or word. Students can write the answers in their own time. Each answer needs to be 200 words (1 Page). Once the answers are submitted, the tutor will check and assess the work.


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Course Credit: Massachusetts Institute of Technology

Course Curriculum

Section 1
Magnetic Fundamentals 00:14:00
Types of Magnetic Materials 00:07:00
Types of Magnetic Materials, Part 2 00:13:00
Magnetism in Oxides 00:06:00
Magnetism in Transition Metals & Summary 00:10:00
An Introduction and Magnetic Domains 00:09:00
Magnetocrystalline Anisotropy 00:12:00
Shape Anisotropy 00:08:00
Domain Wall Energy 00:09:00
Section 2
Hard and Soft Magnetic Materials 00:05:00
Transformers 00:11:00
DC Motors 00:10:00
Microstructures of Magnets & Summary 00:06:00
An Introduction to Magnetic Data Storage 00:07:00
Longitudinal Magnetic Recording 00:08:00
Perpendicular Magnetic Recording 00:05:00
Magnetic Recording Media 00:03:00
Hard Drives: Write Process 00:06:00
Section 3
Inductive Read Process & the Data Storage “Trilemma” 00:08:00
Anisotropic Magnetoresistance 00:06:00
Magnetoresistance: GMR and TMR 00:05:00
Spin Valve GMR and TMR Readback Heads 00:04:00
The Future of Data Storage 00:05:00
Magnetic Random Access Memory & Magnetic Storage Summary 00:07:00
Introduction & Magnetooptical Data Storage 00:12:00
Reading and Writing MO Disks 00:05:00
All-Optical Data Storage & Summary 00:13:00
Submit Your Assignment 00:00:00
Certification 00:00:00

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