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van de Wouw, Heidi L.; Chamorro, Juan; Quintero, Michael; Klausen, Rebekka S. – Journal of Chemical Education, 2015
A laboratory experiment is described that introduces second-year undergraduate organic chemistry students to organic electronic materials. The discovery of metallic conductivity in the charge transfer salt tetrathiafulvalene tetracyanoquinodimethane (TTF-TCNQ) is a landmark result in the history of organic electronics. The charge transfer…
Descriptors: Science Instruction, College Science, Undergraduate Study, Organic Chemistry
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Emory, Benjamin H.; Zhu, Wei Dong – Journal of STEM Education: Innovations and Research, 2006
Analytical and experimental methods are used to determine the natural frequencies and mode shapes of Aluminum 6061-T651 beams with rectangular and circular cross-sections. A unique test stand is developed to provide the rectangular beam with different boundary conditions including clamped-free, clamped-clamped, clamped-pinned, and pinned-pinned.…
Descriptors: Science Education, Science Instruction, Engineering Education, Geometric Concepts