Spintronics

1. Title: Spintronics
Unit: Storage and memory
Instructor: Archana Sharma

2. Measurable Performance Objectives
 Students will understand the difference between
classic and quantum mechanics
 Students will acquire basic understanding of quantum
mechanics
 Students will demonstrate the knowledge of
spintronics
 Students will be able to define qubit
 Students will be able to compare conventional
microelectronic and spintronic devices
 Students will gain an insight into future technology
 Students will be able to design a top of the
technology computer.

3. Opening discussion
Computer Technology….. then and now
 Storage devices
 Hard drive storage capacity
 RAMs
 Speed
 Limiting factors

4. Materials
 Internet access
 Paper and pencil

5. Concepts, Principles, and Facts
 Classic vs. quantum mechanics
 Introduction to quantum mechanics
 Spin-based electronics or spintronics
 Qubit
 Conventional microelectronic vs. spintronic
devices
 Future technology
 Available commercial products.

6. Classic vs. quantum mechanics
 Macro world vs. the nano world
 What is quantum mechanics?
 Why do we need quantum mechanics?
 Measurements in the macro vs nano
world

7. Quantum Mechanics
offers explanation for
 Discrete energy levels
 The theory of wave-particle dual nature
 Quantum tunneling
 The Heisenberg uncertainty principle
 Spin of a particle

8. Spintronics
 Spin-based electronics
 Charge-based electronics vs. spin-
based electronics
 Advantages of spin-based electronics
 Spintronics storage devices

9. Define qubit
 Bit vs. qubit
 Representation of a qubit with bra-ket
notation, |o>, |1> and superposition of
the two

10. Spintronics products
 Hard drives up to 1.2 petabytes

11. Spintronics products
 iPod nano
 Cell phones
 Laptop hard drives

12. Future Outlook
 High capacity hard drives
 Magnetic RAM chips
 Spin FET using quantum tunneling
and…………..

13. The Quantum Computer

14. Commercial products
 Hard drives
 Memory
 Other devices

15. 400 GB Hard Drive
 External 400GB Hard Drive (USB 2.0/FireWire, 7200
RPM, 8MB) $300.00
Manufacturer: Seagate
Model: ST3400801CBRK
Interface: IEEE 1394 (Firewire)|USB - Universal Serial
Bus 2.0
Access Time: 8.5
Rotational Speed: 7200
PRODUCT INFO External 400GB Hard Drive

16. 4GB Flash drive
 4GB Compact Flash card
 4GB flash drive which can even hold
8GB data with 2:1 data compression.

17. $$$$$$$$$$$$$$
At a cost of $1699.95 you can get
 one Apple PowerBook 12“
 Six Apple iPod Mini 4GB
 Nine 1GB Hi-Speed USB flash drives.

18. Assignment
 A project will be assigned to design a
top of the technology computer with bill
of material. The students will present
their system design to the class using
power point presentation.

19. Evaluation Criteria
 Students will demonstrate proficiency on all measurable
performance objectives at least to the 75% level.
Evaluation will be based on written report and oral
presentation. A rubric will be used for evaluation.