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open access

Unexpected Structures for Intercalation of Sodium in Epitaxial Graphene-SiC Interfaces

Description: In this paper, the authors show using scanning tunneling microscopy, spectroscopy, and ab initio calculations that several intercalation structures exist for Na in epitaxial graphene on SiC(0001). Intercalation takes place at room temperature and Na electron-dopes the graphene. It intercalates in-between single-layer graphene and the carbon-rich interfacial layer. It also penetrates beneath the interfacial layer and decouples it to form a second graphene layer. This decoupling is accelerated by… more
Date: February 2012
Creator: Sandin, Andreas; Jayasekera, Thushari; Rowe, J. E.; Kim, Ki Wook; Buongiorno Nardelli, Marco & Dougherty, Daniel B.
open access

Determination of the Solubilizing Character of 1-Methoxyethyl-1-Methylpiperidinium Tris(Pentafluoroethyl)Trifluorophosphate Based on the Abraham Solvation Parameter Model

Description: Article on determination of solubilizing character of 1-methoxyethyl-1-methylpiperidinium tris(pentafluoroethyl) trifluorophosphate based on the Abraham solvation parameter model.
Date: January 2012
Creator: Twu, Pamela; Anderson, Jared L.; Stephens, Timothy W.; Acree, William E. (William Eugene) & Abraham, M. H. (Michael H.)
open access

Rediscovery of the Elements: Hafnium

Description: Article describing the search for element 72, the scientists involved, and the nationalist politics surrounding the discovery. Tourist information is included for areas significant to the history of hafnium.
Date: Autumn 2011
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
open access

Supporting information for Abraham model correlations for solute partitioning into o-xylene, m-xylene and p-xylene from both water and the gas phase

Description: This document includes supporting information and figures for an article on the Abraham model correlations for solute partitioning into o-xylene, m-xylene and p-xylene from both water and the gas phase.
Date: September 2011
Creator: Stephens, Timothy W.; De la Rosa, Nohelli E.; Saifullah, Mariam; Ye, Shulin; Quay, Amanda N.; Chou, Vicky et al.
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