Key Motivating Factors

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Key Motivating Factors

• New materials technologies - quantum, nanoscale
• New curricular mandates
• Engineering up-front - Drexel's E4 Curriculum
• Inverted curricula - Capstone courses
• Interdisciplinary engineering practice -
  Materials
• Intra/inter-institutional projects - Gateway
  Coalition
• ABET 2000 criteria
• New nanoscale materials characterization tools -
  Scanning Probe Microscopes (SPMs)
• New instructional tools - computation, modules,
  www

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Objectives

• Build upon the lower division experience
• Establish fundamental ideas of the electronic
  properties of materials based on an atomistic
  picture
• Combine coursework with
• state-of-the-art laboratory experiences
• problem-solving and projects using computational
  tools
• computer-based teaching modules
• Demonstrate interdisciplinarity in Materials
  Engineering
• Physics, Chemistry, Chemical Engineering,
  Electrical Engineering
• Recognize Gateway mission and ABET criteria

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Background

• The Gateway Coalition
• Open new gateways for learning within an
  engineering education focus ...
• NSF Engineering Directorate funding
• Project Collaboration
• Drexel University - Physics
• University of Pennsylvania - Materials Science
  and Engineering, Chemical Engineering
• The Cooper Union - Electrical Engineering

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The Gateway Coalition

• Collaborative programs among several institutions
  with diverse institutional cultures
• Driving principle Introduction of engineering
  and its functional core up-front - (Drexel E4
  experience)
• Content ? Human resource development and broader
  experience
• Integrative aspects of the engineering process
• Concurrent learning
• Multidisciplinary emphasis
• Use of new instructional technologies

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Goals of Collaboration

• Drexel University
• build on lower division experience based on E4
  model
• upper-division introduction to solid state
  materials
• University of Pennsylvania
• add state-of-the-art student laboratory to
  existing course
• Cooper Union
• create post-solid-state project-based course to
  address materials and process issues in
  Electrical Engineering

draw from common elements / facilities
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Curriculum Development

• Drexel University
• develop multi-component course in the electrical
  properties of solid state materials
• initially directed to Materials Engineering
  juniors
• Penn
• develop thin-film device fabrication and analysis
  laboratory for sophomore engineering course
• The Cooper Union
• develop web-based course in advanced topics in
  engineering materials

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Drexel University

• Quantum Structure of Materials - The Course
• Background
• 10-20 Materials Engineering students per year ?
  other fields
• Course materials - introductory text, notes,
  reserve books, journals
• Pre-requisites - PFE, MFE, Materials (sophomore)
• Theory - 1-D
• Nano-characterization Laboratory
• Research on recent topics in SPM and
  Nanotechnology
• Scanning Probe Microscopy Module
  (Authorware/Mac)
• Computational exercises

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Theory

• Materials - an atomistic approach to electronic
  structure
• Classical physics
• Modern Physics
• Quantization of charge, light, energy
• Wave-particle duality
• Schrödinger equation in one-dimension / bound,
  unbound states
• Solid State Physics
• Atoms and molecules, Interatomic bonds
• Free electron model ? Energy bands in solids
• Semiconductors, Insulators
• Semiconductor and Optoelectronic devices
• Quantum structures

potential energy functions
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Nano-characterization Laboratory

• Burleigh Scanning Tunneling Microscope
• Digital Instruments MultiMode Scanning Force
  Microscope

Graphite surface
note Gateway Advanced Materials Laboratory
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Topics in SPM / Nanotechnology

• Nanoscale Characterization of Surfaces and
  Interfaces
• Journal / web-based research
• Look up a recent article (in last three years)
  in Applied Physics Letters where Scanning
  Tunneling Microscopy (STM) was applied to a
  current problem in materials science and
  engineering. In about one page, discuss the
  application, how the STM was used, and the
  authors' results and conclusions. Refer to
  additional sources if necessary.

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Scanning Probe Microscopy Module
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Computational exercises

• Energy Band Structure in 1-D
• Bound states and Scattering
• Surface potentials
• Junction phenomena

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Attributes

• Beyond the textbook
• modern physics and physics of materials
• application of advanced science and engineering
  principles
• integration of structure and electrical
  properties
• state-of-the-art experimentation, computation
• utilization of a broad range of methodologies
• research on current topics
• integration of disciplines, life-long learning
• Connection with Freshman/Sophomore experience
• Requirement for Materials Engineering ...

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University of Pennsylvania

• Growth of thin-film metal contacts on Si
  substrate
• vacuum and ultrahigh vacuum techniques, thin film
  deposition
• sample preparation
• Thin-film, surface, and interface
  characterization
• Rutherford Backscattering Spectrometry
• elemental depth profiling
• Auger Electron Spectroscopy
• surface chemistry
• Scanning Tunneling Microscopy
• surface morphology
• Electrical characterization of devices
• i-v measurements of Schottky barrier

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Attributes

• Beyond the textbook
• reinforcement of topics in modern physics
• experimentation - device fabrication
• utilization of state-of-the-art methodologies
• direct relation to industrial processing and
  analysis
• Facility-driven
• exportable manual ? theory / analysis of real
  data
• Modes of delivery
• stand-alone laboratory
• enhancement to other materials-related courses

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The Cooper Union

• Modules in
• Crystals and Wave Mechanics
• Carrier Distribution, Transport,
  Generation/Recombination
• Non-linear and Anisotropic Materials
• Optical Fibers
• Computer Modeling and Analysis
• Related MATLAB computations
• Outside research
• Electronic Materials Experimentation
• Fabrication and analysis of p-n junctions

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Attributes

• Beyond the textbook
• applied materials physics
• application of advanced science and engineering
  principles
• integration of structure, properties, processing,
  performance
• theory, computation
• utilization of methodologies for theoretical
  analysis and prediction
• research on current topics
• integration of disciplines, life-long learning
• Computation-intensive
• computation facility

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Assessment - Quantum Structure of Materials

• Relevance
• important whether or not applicable to current
  experience
• Level
• challenging, particularly applying mathematics
  and physics
• Homework exercises and examinations
• challenging but provides key understanding of
  concepts by practice
• Text/notes
• gaps in text presentations, need for auxiliary
  material
• Laboratory
• supports hands-on learning
• relevance to industry / co-op

beyond the degree...
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Implementation Issues

• Institutional
• unique curricular structures
• identification of needs and opportunities
• developing new courses / enhancing existing
  courses
• institutionalization
• Multi-institutional interactions
• focus on common experiences
• sharing facilities - SPM, RBS/AES
• distance, time, schedules
• ongoing support and planning

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Closing remarks

• Active participation of students in new
  curricular initiatives
• Three unique capstone models with common
  attributes
• materials engineering
• computation / experimentation / research
• Evolving institutions in a changing world
• curriculum reform enveloping the courses
• response - continual development, customization,
  communication
• rapidly developing technologies
• opportunities to better address real materials
  applications