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 Department: Chemistry
 Resource Type: Paper
 Collection: UNT Scholarly Works
Computational study on NiA1: ground state, structure, and spectroscopic constants using density-functional theory

Computational study on NiA1: ground state, structure, and spectroscopic constants using density-functional theory

Date: April 15, 2010
Creator: Janardan, Smitha S. & Cundari, Thomas R., 1964-
Description: This paper discusses a computational study on NiA1.
Contributing Partner: UNT Honors College
Magnetic Levitation without Feedback Control

Magnetic Levitation without Feedback Control

Date: April 19, 2012
Creator: Wofford, Joshua D. & Ordonez, Carlos A.
Description: This paper discusses research on magnetic levitation without feedback control.
Contributing Partner: UNT Honors College
Teaching Students Organic Chemistry: QEP III Next Generation Course Redesign™

Teaching Students Organic Chemistry: QEP III Next Generation Course Redesign™

Date: April 15, 2010
Creator: Lavezo, Jonathan L. & Dandekar, Sushama Ashok
Description: This paper discusses research on teaching students organic chemistry. During the summer of 2009, Dr. Dandekar, and a group of undergraduate researchers worked to redesign CHEM 2370 - Organic Chemistry I. The learning outcomes for the course were reassessed, and then matched to all exam materials. After determining the student learning outcomes were tested effectively, a proposed analysis of the course was examined. An overview of the redesigned course material, and the philosophy of learning used in the redesign is also discussed.
Contributing Partner: UNT Honors College
Unexpected Structures for Intercalation of Sodium in Epitaxial Graphene-SiC Interfaces

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

Date: February 2012
Creator: Sandin, Andreas; Jayasekera, Thushari; Rowe, J. E.; Kim, Ki Wook; Buongiorno Nardelli, Marco & Dougherty, Daniel B.
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 annealing and is verified by direct Na deposition onto the interface layer. The authors' observations show that intercalation in graphene is fundamentally different than in graphite and is a versatile means of electronic control.
Contributing Partner: UNT College of Arts and Sciences