Spintronics

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Spintronics

  1. 1. Title: Spintronics Unit: Storage and memory Instructor: Archana Sharma
  2. 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. 3. Opening discussion Computer Technology….. then and now  Storage devices  Hard drive storage capacity  RAMs  Speed  Limiting factors
  4. 4. Materials  Internet access  Paper and pencil
  5. 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. 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. 7. Quantum Mechanicsoffers explanation for  Discrete energy levels  The theory of wave-particle dual nature  Quantum tunneling  The Heisenberg uncertainty principle  Spin of a particle
  8. 8. Spintronics  Spin-based electronics  Charge-based electronics vs. spin- based electronics  Advantages of spin-based electronics  Spintronics storage devices
  9. 9. Define qubit  Bit vs. qubit  Representation of a qubit with bra-ket notation, |o>, |1> and superposition of the two
  10. 10. Spintronics products  Hard drives up to 1.2 petabytes
  11. 11. Spintronics products  iPod nano  Cell phones  Laptop hard drives
  12. 12. Future Outlook  High capacity hard drives  Magnetic RAM chips  Spin FET using quantum tunneling and…………..
  13. 13. The Quantum Computer
  14. 14. Commercial products  Hard drives  Memory  Other devices
  15. 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. 16. 4GB Flash drive  4GB Compact Flash card  4GB flash drive which can even hold 8GB data with 2:1 data compression.
  17. 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. 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. 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.

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