www.nanopicoftheday.org
March 31, 2004
Inorganic Nanoscale Contacts
Source: David L.
Carroll
References:
D.L. Carroll, M.
Wagner, M. Rühle , and D.A. Bonnell, “Schottky -barrier formation at nanoscale
metal-oxide interfaces” Physical Review B 55 (1997) 9792-9799.
Description:
Researchers at Wake Forrest University NANOTECH's effort to understand contact
formation at the macro-molecular level (collections of few atoms forming the
contact) are primarily based upon metal and organic contacts made with oxide
systems such as ITO, TiO 2, SrTiO 3, SBTO, etc. . Their aim is to quantify the
collective behavior of charge exchange in such systems as a function of contact
atom number and system symmetries. The major tools used are HRTEM, LT STM
and STS, LEED-IV, and XPS. Their lab is also equipped with PLD and Pulsed Plasma
Deposition (PPD) systems along with standard Knudsen evaporative cells.
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