Simulation of Graphene Nanoribbon Field Effect Transistors

We present an atomistic three-dimensional simulation of graphene nanoribbon field effect transistors (GNR-FETs), based on the self-consistent solution of the 3D Poisson and Schroedinger equation with open boundary conditions within the non-equilibrium Green's Function formalism and a tight-binding hamiltonian. With respect to carbon nanotube FETs, GNR-FETs exhibit comparable performance, reduced sensitivity on the variability of channel chirality, and similar leakage problems due to band-to-band tunneling. Acceptable transistor performance requires effective nanoribbon width of 1-2 nm, that could be obtained with periodic etching patterns or stress patterns

End of Easement Area

Poetry by Lisa Hibl

Special Libraries, January 1913

Volume 4, Issue 1https://scholarworks.sjsu.edu/sla_sl_1913/1000/thumbnail.jp

Combined helium ion beam and nanoimprint lithography attains 4 nm half-pitch dense patterns

published_or_final_versio

To Have and to Hold: Reflections of an Interim Director

Leading a long-established LLC as an Interim Director poses particular challenges and rewards. Uncertainties abound for the program and for the individual. Professionally speaking, taking on the hybrid role of faculty/administrator can be both difficult and exciting. Ultimately, the solutions are in the details. Listening carefully to students, understanding institutional history, and looking toward the demands of the future can help an Interim Director care-take the program. In this reflection on my experience with the Russell Scholars Program at the University of Southern Maine, I seek to show how a commitment to student engagement is the bedrock for a successful interim period. From holding to stewarding to shaping, an Interim Director can support and buoy an established program. From a background in literature and creative writing, I discovered the poetry of work in the complexity of this new role. Rather than threaten to destabilize a settled environment, an interim period can provide a necessary pause for reflection and appreciation. As with other interstices, the period between permanent directorships can be rich with new energy, new ways of seeing, and new appreciation for the philosophical undergirding of the original LLC

Development of measurement and modeling techniques to quantify atmospheric deposition of persistent, bioaccumulative and toxic chemicals in the Great Lakes

Measurement and modeling techniques were developed to improve over-water gaseous air-water exchange measurements for persistent bioaccumulative and toxic chemicals (PBTs). Analytical methods were applied to atmospheric measurements of hexachlorobenzene (HCB), polychlorinated biphenyls (PCBs), and polybrominated diphenyl ethers (PBDEs). Additionally, the sampling and analytical methods are well suited to study semivolatile organic compounds (SOCs) in air with applications related to secondary organic aerosol formation, urban, and indoor air quality. A novel gas-phase cleanup method is described for use with thermal desorption methods for analysis of atmospheric SOCs using multicapillary denuders. The cleanup selectively removed hydrogen-bonding chemicals from samples, including much of the background matrix of oxidized organic compounds in ambient air, and thereby improved precision and method detection limits for nonpolar analytes. A model is presented that predicts gas collection efficiency and particle collection artifact for SOCs in multicapillary denuders using polydimethylsiloxane (PDMS) sorbent. An approach is presented to estimate the equilibrium PDMS-gas partition coefficient (Kpdms) from an Abraham solvation parameter model for any SOC. A high flow rate (300 L min-1) multicapillary denuder was designed for measurement of trace atmospheric SOCs. Overall method precision and detection limits were determined using field duplicates and compared to the conventional high-volume sampler method. The high-flow denuder is an alternative to high-volume or passive samplers when separation of gas and particle-associated SOCs upstream of a filter and short sample collection time are advantageous. A Lagrangian internal boundary layer transport exchange (IBLTE) Model is described. The model predicts the near-surface variation in several quantities with fetch in coastal, offshore flow: 1) modification in potential temperature and gas mixing ratio, 2) surface fluxes of sensible heat, water vapor, and trace gases using the NOAA COARE Bulk Algorithm and Gas Transfer Model, 3) vertical gradients in potential temperature and mixing ratio. The model was applied to interpret micrometeorological measurements of air-water exchange flux of HCB and several PCB congeners in Lake Superior. The IBLTE Model can be applied to any scalar, including water vapor, carbon dioxide, dimethyl sulfide, and other scalar quantities of interest with respect to hydrology, climate, and ecosystem science

Barbara Schwarz v. Valley Mental Health, Utah Department of Human Services, Division of Mental Health, Utah Department of Administrative Services, State Records Committee : Unknown

APPELLANT\u27S BRIEF OF FINAL JUDGMENT/ORDER OF JUDGE J. FRATT