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Displaying 28176 - 28200 of 143796

Electron Enhanced Growth of Crystalline Gallium Nitride Thin Films at Room Temperature and 100 C Using Sequential Surface Reactions

July 1, 2016
Author(s)
Alexana Roshko, Jaclyn Sprenger, Andrew S. Cavanagh, Steven George, Huaxing Sun, Kathryn J. Wahl
Low energy electrons may provide mechanisms to enhance thin film growth at low temperatures. In this work, gallium nitride (GaN) films were deposited over areas of ~5 cm2 at room temperature and 100 C using electrons with a low energy of 50 eV from an

Enabling Interactive Measurements from Large Coverage Microscopy

July 1, 2016
Author(s)
Peter Bajcsy, Antoine Vandecreme, Julien M. Amelot, Mary C. Brady, Joe Chalfoun, Michael P. Majurski
Microscopy could be an important tool for characterizing stem cell products if quantitative measurements could be collected over multiple spatial and temporal scales. With the cells changing states over time and being several orders of magnitude smaller

High-Pressure Synthesis of Manganese Oxyhydride with Partial Anion Order

July 1, 2016
Author(s)
Cedric Tassel, Yoshinori Goto, Daichi Watabe, Ya Tang, Honcheng Lu, Yoshinori Kuno, Fumitaka Takeiri, Takafumi Yamamoto, Craig Brown, James Hester, Yoji Kobayashi, Hiroshi Kageyama
We report the high-pressure synthesis of a manganese oxyhydride LaSrMnO 3.3H 0.7. Neutron and X-ray Rietveld analyses showed this compound adopts the K 2NiF 4 structure, with H -positioned exclusively at the equatorial site. This result makes a striking

Nanostructured Surface Phonon Polariton Systems for Mid-Infrared Nanophotonics

July 1, 2016
Author(s)
Alexander Giles, Richard Kasica, Joshua Caldwell
In this article, novel, phonon-based silicon carbide nanopillar antenna arrays are described. Using fabricated SiC structures, sub-diffractional, localized resonances are observed with exceptionally high quality factors (40-305) and corresponding high
Displaying 28176 - 28200 of 143796
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