Title: Spintronics

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• Title Spintronics
• Unit Storage and memory
• Instructor Archana Sharma

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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.

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Opening discussionComputer Technology.. then
and now

• Storage devices
• Hard drive storage capacity
• RAMs
• Speed
• Limiting factors

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Materials

• Internet access
• Paper and pencil

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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.

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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

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Quantum Mechanicsoffers explanation for

• Discrete energy levels
• The theory of wave-particle dual nature
• Quantum tunneling
• The Heisenberg uncertainty principle
• Spin of a particle

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Spintronics

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

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Define qubit

• Bit vs. qubit
• Representation of a qubit with bra-ket notation,
  ogt, 1gt and superposition of the two

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Spintronics products

• Hard drives up to 1.2 petabytes

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Spintronics products

• iPod nano
• Cell phones
• Laptop hard drives

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Future Outlook

• High capacity hard drives
• Magnetic RAM chips
• Spin FET using quantum tunneling
• and..

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The Quantum Computer
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Commercial products

• Hard drives
• Memory
• Other devices

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400 GB Hard Drive

• External 400GB Hard Drive (USB 2.0/FireWire, 7200
  RPM, 8MB) 300.00   Manufacturer Seagate
  Model ST3400801CBRKInterface IEEE 1394
  (Firewire)USB - Universal Serial Bus 2.0Access
  Time 8.5Rotational Speed 7200 PRODUCT INFO
  External 400GB Hard Drive

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4GB Flash drive

• 4GB Compact Flash card
• 4GB flash drive which can even hold 8GB data with
  21 data compression.

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• 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.

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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.

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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.