Princeton University

School of Engineering & Applied Science

Molecular quantum conductors: charge and spin transport manipulations by interface effects and reduced dimensionality

Speaker: 
Professor Oren Tal, Weizmann Institute of Science, Israel
Location: 
Engineering Quadrangle, B205
Date/Time: 
Wednesday, March 1, 2017 - 11:00am

The inherent electronic mismatch between molecules and metals is a general limitation for efficient electron transport in molecule-based electronics, including organic light emitting diodes, nanoscale organic spin-valves, and single-molecule transistors.
In this talk, I will review our recent progress in revealing an upper limit for conductance across metal-molecule interfaces1, as well as extreme spin filtering and unusual magneto-transport effects in metal-oxide junctions2 and half-metallic molecular junctions. These findings can be used to derive general principles for efficient charge and spin transport manipulations at the nanoscale1-4.

References:
1. T. Yelin, R. Korytár, N. Sukenik, R. Vardimon, B. Kumar, C. Nuckolls, F. Evers & O. Tal, Nature Materials, 15, 444 (2016).
2. R. Vardimon, M. Klionsky & O Tal, Nano Letters, 15, 3894 (2015).
3. D. Rakhmilevitch, R. Korytár, A. Bagrets, F. Evers & O. Tal, Physical Review Letters 113, 236603 (2014).
4. D. Rakhmilevitch, S. Sarkar, O. Bitton, L. Kronik & O. Tal, Nano Letters 16, 1741 (2016).