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Objective : To study the dynamics of magneto-resistance in organic diodes

Seed Project : The Dynamics of Organic Magneto-resistance (OMAR) Andrey Rogachev and Tho Nguyen. Objective : To study the dynamics of magneto-resistance in organic diodes

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Objective : To study the dynamics of magneto-resistance in organic diodes

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  1. Seed Project: The Dynamics of Organic Magneto-resistance (OMAR) Andrey Rogachev and Tho Nguyen Objective: To study the dynamics of magneto-resistance in organic diodes Approach: Measure electronic transport and magneto-transport of organic diodes as a function of frequency with an applied magnetic field using admittance spectroscopy Preliminary Results & Significance: The magneto-conductance (inverse of resistance) of a conducting polymer-based diode was measured as a function of frequency and bias voltage. The observed properties show that the relevant underlying processes occur on a timescale of ~100 ns. Fig. 1: The frequency response of magneto-conductance, ΔG/G, of an organic conducting polymer-based bipolar diode measured at room temperature and with an applied magnetic field. The inset shows the magneto-conductance at f=1 Hz as a function of the bias voltage. Principal Investigators: Anil Virkar, Ajay Nahata & Brian Saam NSF DMR 11-21252; www.mrsec.utah.edu

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