Interactive NanoVisualization for Science and Engineering Education

1. Interactive NanoVisualization for Science and Engineering Education B.L. Ramakrishna Arizona State University INVSEE project 12th April 2007

2. Outline of the Presentation Introduction INVSEE project resources Examples of Educational modules Course Development Conclusions

3. The evolution of device miniaturization from the microscale to the nanoscale. A large number of well-trained scientists, engineers and technicians will be needed to fuel this new age of nanotechnology. (adapted from H. Rohrer, Limits and Possibilities of Miniaturization. Jpn. J. Appl. Phys. 32, 1335 (1993))

4. Common Analytical Techniques for Compositional Analyses

7. Nanoscience and TechnologyEducation “ IN EDUCATION FOR THE NANOSCALE, STUDENTS NEED TO LEARN TO WORK ON THE NANOMETER SCALE. THIS OPENS COMPLETELY NEW DIMENSIONS ON HOW WE WILL APPROACH AND SOLVE MANY PROBLEMS IN THE FUTURE AS WE ENTER THE NANOMETER AGE.” HEINRICH ROHRER, NOBEL LAUREATE

8. Interactive NanoVisualizationfor Science and Engineering Education

9. The word is Interactive is Key! Disciplines Info-Bio-Nano-cogno AND Nature’s designs/manmade systems People Researchers, College educators, Undergraduate & Graduate students, K-12 Educators & students, and industry Tools Instruments, modeling software, Cyberinfrastructure Research Ideas Nanotechnology Concept Inventory and maps, Learning progressions

10. The word is Visualizationis Key! Senses Man / Machine Microscope Light / EM Radiation Optical & Electron Sight Sound Hearing / Acoustic Ultrasound Touch Feeling / Forces Scanning Probe Smell Volatiles / Chemical Chemical Force . . . . . . . . .

11. Information Delivery Rates Reading 100 bits/second Hearing Seeing 200 million bits/second

15. Online Instruments Educational Modules Ideas Disciplines Nanotechnology Education Collaboratory People Tools Interactive Applets Visualization Gallery

16. CONCRETE EXPERIENCES AT CRITICAL TRANSITION POINTS --- FIRST TWO YEARS OF COLLEGE --- LAST TWO YEARS OF HIGH SCHOOL

17. Fundamental Concepts • Size and Scaling laws<<<<<<< • Quantum effects • Chemical Bonding • Intermolecular Forces<<<<<<< • Material Types and Structures • Surfaces, Interfaces and Defects<<<<<

18. Important Concepts in Nanoscience Length Scale and Scaling Laws Atomic and Molecular Forces Size-dependence and Nanoscale Resolution of Physical and Chemical Properties Surfaces and Interfaces Self-assembly and Epitaxy Approaches to Design, Synthesis, Fabrication and Characterization of Nanostructures

19. CHALLENGES IN NANO- MANUFACTURING AND PACKAGING Integrating mixed signals- electrical, optical etc. Mixed ambients- vacuum, aqueous etc. Mixed scales- nano to macro Integration of bottom-up and top-down Metrology- killer defects etc. Safety- environmental issues etc.

20. Application Areas Dispersions and Coatings High Surface Area Materials Consolidated Materials Functional Nanostructures Energy-Related Materials Biomaterials Nanodevices and Systems

21. Society Science Technology Nanotechnology Education

22. INTERACTIVE NANO-VISUALIZATION INSCIENCE AND ENGINEERING EDUCATION A NEW PARADIGM FOR THE 21ST CENTURY

23. INVSEE’S MOTIVATION Convey the excitement of Nanoscience and technology and reinforce key concepts in a highly visual manner. Develop and deliver web-based interactive education which has a component of experimental design. Integrate learning across size, scale and disciplines. Connect structure, properties and phenomena at the Macro-, micro- and nano-levels. Develop interface for SPM over the World Wide Web.

24. Philosophy • Informed by research on pedagogy and preconceptions • Meaningful curricular integration for exploiting the breadth and depth of nanotechnology concepts • Create new knowledge with Educational and action research

25. Interactive Nanoscale Visualization Learning Environment • Educational Modules • Visualization Gallery • Interactive Activities • Web-accessible Instrumentation

26. Red Blood Cell • Visualization Gallery • Schematics • Microscopy Images • Animations • Interactive Activities

27. SPM of Polystyrene Nanospheres

28. Download of Images and Links to Educational Module Images and educational modules can be adapted for uses.

29. Saguaro Cactus Boas Snakeskin Magnetic Domains

30. Sequential Deposition of 100 nm spheres on 200 nm spheres • Observed Features • Registry of small spheres • with bottom layer • Regions of different • compositions • Long and Short-ranged • ordering 16 mm x 16 mm Scan

31. 3-D Plug-in for Manipulating Microscope Data

32. Remote SPM Observer Page

33. Remote SPM Operator Page

34. Global Accessibility of IN-VSEE Resources through the WWW

35. IN-VSEE Can Develop Efficient, Geographically Unbounded Hands-On Training And EducationIn Nanotechnology Industrial Training Community College/University Science or Engineering Class Globally Competitive World Wide Web Server Museums Microscope Control Station Community Outreach

36. Fundamental Concepts • Size and Scaling laws<<<<<<< • Quantum effects • Chemical Bonding • Intermolecular Forces<<<<<<< • Material Types and Structures • Surfaces, Interfaces and Defects<<<<<

37. Important Concepts in Nanoscience Length Scale and Scaling Laws Atomic and Molecular Forces Size-dependence and Nanoscale Resolution of Physical and Chemical Properties Surfaces and Interfaces Self-assembly and Epitaxy Approaches to Design, Synthesis, Fabrication and Characterization of Nanostructures

38. What are the Challenges? Laboratory Resources Time : Depth vs Breadth Integration into Curriculum Classroom Management Keeping up with Web Technology Evaluation Partnerships and Professional Development Opportunities for faculty is the key to success!

39. CHALLENGES IN NANO- MANUFACTURING AND PACKAGING Integrating mixed signals- electrical, optical etc. Mixed ambients- vacuum, aqueous etc. Mixed scales- nano to macro Integration of bottom-up and top-down Metrology- killer defects etc. Safety- environmental issues etc.

40. Application Areas Dispersions and Coatings High Surface Area Materials Consolidated Materials Functional Nanostructures Energy-Related Materials Biomaterials Nanodevices and Systems

41. Society Science Technology Nanotechnology Education

42. Reinforce Fundamentals & Prepare for Careers in Nanotechnology Modules integrated horizontally to connect key material concepts across disciplines and vertically across vast regime of sizes and scales Modules developed around a unifying material theme: structure, properties, processing and performance and across vast regime of sizes and scales

43. Examples of Educational Modules

44. Ex 1: How Does a Pencil Write? From Macro- to Nanoscale

45. How Does a Pencil Write? Macro Nano Micro

46. Ex 2: Estimation of Avogadro’s Number Concrete Data to Abstract Idea

47. Unit Cell of Graphite Crystalline Lattice Basal parameter 3D-model Axial parameter

48. Determining the Lattice Parameters of Graphite Unit Cell Axial Basal Volume Calc.

49. Ex 3: Light Bulb Filaments Everyday Object as a hook for learning

50. Degradation of Tungsten Lightbulb Filament