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Jawaharlal Nehru Centre for Advanced Scientific Research
Tunneling spectroscopy measurements have been carried out on a single molecule device formed by two Pd nanocrystals (dia, $\sim$5 nm) electronically coupled by a conducting molecule, dimercaptodiphenylacetylene. The I-V data, obtained by positioning the tip over a nanocrystal electrode, exhibit negative differential resistance (NDR) on a background M-I-M characteristics. The NDR feature occurs at $\sim$0.67 V at 300 K and shifts to a higher bias of 1.93 V at 90 K. When the tip is held in the middle region of the device, a coulomb blockade region is observed ($\pm\sim$0.3 V).
Ved Varun Agrawal, Reji Thomas, Giridhar U. Kulkarni, Cnr Rao (2005). A single molecule switch based on two Pd nanocrystals linked by a conjugated dithiol. arXiv (Cornell University)
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Type
Preprint
Year
2005
Authors
4
Datasets
0
Total Files
0
Language
English
Journal
arXiv (Cornell University)
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