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Electric, elastic, and magnetic properties of Spanish Moss

Electric, elastic, and magnetic properties of Spanish Moss. Lindsey Channels June 23, 2005. Outline. Background on Spanish Moss Resistance Elasticity Capacitance EPR SQUID PPMS Conclusions. Spanish Moss. Reproduction. Flower pollinates Only grows on trees Not parasitic

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Electric, elastic, and magnetic properties of Spanish Moss

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  1. Electric, elastic, and magneticproperties of Spanish Moss Lindsey Channels June 23, 2005

  2. Outline • Background on Spanish Moss • Resistance • Elasticity • Capacitance • EPR • SQUID • PPMS • Conclusions

  3. Spanish Moss

  4. Reproduction • Flower pollinates • Only grows on trees • Not parasitic • Collects water and minerals in the air

  5. Methods to Find Resistance • Gold wire and silver paste • Salt water • Graphite • Pedot

  6. Resistance with Salt Water R=0.5M =4.79m Copper  = 1.68x10-8 m Teflon  = 1016 m

  7. Resistance with Pedot R=2.7M =17.7m

  8. Resistance of Pine Needles R=35.7k =0.78m

  9. Elasticity of Spanish Moss

  10. Capacitance of Spanish Moss C = koA/d Dielectric constant = 75.5 Dielectric constant of water = 80

  11. Capacitance with Magnetic Field

  12. Electron Paramagnetic Resonance Manganese Iron III

  13. SQUID • Inconclusive • No magnetic ordering

  14. Physical Properties Measurement System • DC – measure magnetic moment = DC magnetization curve M(H) • AC – measure magnetic susceptibility. Real part is slope of M(H), imaginary is dissipation

  15. Conclusions • Durable • Insulating • Limited magnetic properties • Further research on biological properties

  16. James Brooks Eric Jobiliong Takahisa Tokumoto Relja Vasic Lloyd Lumata Eung Sang Choi Jin Gyu Park David Graf Naresh Dalel Saritha Nellutla Andrew Harter Pat Dixon Gina LaFrazza Entire CIRL staff Acknowledgements

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