Search Results - "Allen, J. L."

Phonon Spectroscopy at Atomic Resolution by Hage, F S, Kepaptsoglou, D M, Ramasse, Q M, Allen, L J

“…Advances in source monochromation in transmission electron microscopy have opened up new possibilities for investigations of condensed matter using the…”
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Structure Retrieval at Atomic Resolution in the Presence of Multiple Scattering of the Electron Probe by Brown, H G, Chen, Z, Weyland, M, Ophus, C, Ciston, J, Allen, L J, Findlay, S D

“…The projected electrostatic potential of a thick crystal is reconstructed at atomic resolution from experimental scanning transmission electron microscopy data…”
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Determination of Vibrational Modes of l-Alanine Single Crystals by a Combination of Terahertz Spectroscopy Measurements and Density Functional Calculations by Allen, J L, Sanders, T J, Horvat, J, Lewis, R A, Rule, K C

“…Density-functional theory may be used to predict both the frequency and the dipole moment of the fundamental oscillations of molecular crystals. Suitably…”
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Hole polaron formation and migration in olivine phosphate materials by Johannes, M. D., Hoang, Khang, Allen, J. L., Gaskell, K.

“…By combining first-principles calculations and experimental x-ray photoemission (XPS) spectroscopy measurements, we investigate the electronic structure of…”
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Quantitative Elemental Mapping at Atomic Resolution Using X-Ray Spectroscopy by Kothleitner, G., Neish, M. J., Lugg, N. R., Findlay, S. D., Grogger, W., Hofer, F., Allen, L. J.

“…Elemental mapping using energy-dispersive x-ray spectroscopy in scanning transmission electron microscopy, a well-established technique for precision elemental…”
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Developmental neurotoxicity of inhaled ambient ultrafine particle air pollution: Parallels with neuropathological and behavioral features of autism and other neurodevelopmental disorders by Allen, J.L., Oberdorster, G., Morris-Schaffer, K., Wong, C., Klocke, C., Sobolewski, M., Conrad, K., Mayer-Proschel, M., Cory-Slechta, D.A.

“…•Male UFP-treated mice showed persistent ventriculogmegaly and microglial activation.•Male UFP-treated mice showed reduced CC size and hypomyelination.•UFP…”
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On real-valued SDE and nonnegative-valued SDE population models with demographic variability by Allen, E. J., Allen, L. J. S., Smith, H. L.

“…Population dynamics with demographic variability is frequently studied using discrete random variables with continuous-time Markov chain (CTMC) models. An…”
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Two-dimensional mapping of chemical information at atomic resolution by Bosman, M, Keast, V J, García-Muñoz, J L, D'Alfonso, A J, Findlay, S D, Allen, L J

“…The simultaneous measurement of structural and chemical information at the atomic scale provides fundamental insights into the connection between form and…”
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Genome sequencing and molecular networking analysis of the wild fungus Anthostomella pinea reveal its ability to produce a diverse range of secondary metabolites by Iacovelli, R, He, T, Allen, J L, Hackl, T, Haslinger, K

“…Filamentous fungi are prolific producers of bioactive molecules and enzymes with important applications in industry. Yet, the vast majority of fungal species…”
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Developmental exposure to low level ambient ultrafine particle air pollution and cognitive dysfunction by Cory-Slechta, D.A., Allen, J.L., Conrad, K., Marvin, E., Sobolewski, M.

“…•Developmental exposure to low concentration CAPS male-specific cognitive impairments.•Learning impairments in males emerged when rules of reward changed.•Male…”
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Quantitative STEM Imaging of Order-Disorder Phenomena in Double Perovskite Thin Films by Esser, B D, Hauser, A J, Williams, R E A, Allen, L J, Woodward, P M, Yang, F Y, McComb, D W

“…Using aberration-corrected high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM), we investigate ordering phenomena in epitaxial…”
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Local observation of the site occupancy of Mn in a MnFePSi compound by Neish, M J, Oxley, M P, Guo, J, Sales, B C, Allen, L J, Chisholm, M F

“…MnFePSi compounds are promising materials for magnetic refrigeration as they exhibit a giant magnetocaloric effect. From first principles calculations and…”
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Cognitive Effects of Air Pollution Exposures and Potential Mechanistic Underpinnings by Allen, J. L., Klocke, C., Morris-Schaffer, K., Conrad, K., Sobolewski, M., Cory-Slechta, D. A.

“…Purpose of Review This review sought to address the potential for air pollutants to impair cognition and mechanisms by which that might occur. Recent Findings…”
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Structural Changes and Reversibility Upon Deintercalation of Li from LiCoPO4 Derivatives by Lapping, J. G, Borkiewicz, O. J, Wiaderek, K. M, Allen, J. L, Jow, T. R, Cabana, J

“…In an effort to improve the cycle life and rate capability of olivine LiCoPO4, Cr, Fe, and Si were added to produce nominal…”
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Surface determination through atomically resolved secondary-electron imaging by Ciston, J., Brown, H. G., D’Alfonso, A. J., Koirala, P., Ophus, C., Lin, Y., Suzuki, Y., Inada, H., Zhu, Y., Allen, L. J., Marks, L. D.

“…Unique determination of the atomic structure of technologically relevant surfaces is often limited by both a need for homogeneous crystals and ambiguity of…”
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Low temperature performance of nanophase Li4Ti5O12 by ALLEN, J. L, JOW, T. R, WOLFENSTINE, J

“…The low temperature electrochemical performances of 700 and 350nm Li4Ti5O12 were compared. At high rate, room temperature and at low rate and low temperature…”
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Optimal control of a vectored plant disease model for a crop with continuous replanting by Bokil, V. A., Allen, L. J. S., Jeger, M. J., Lenhart, S.

“…Vector-transmitted diseases of plants have had devastating effects on agricultural production worldwide, resulting in drastic reductions in yield for crops…”
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Achromatic elemental mapping beyond the nanoscale in the transmission electron microscope by Urban, K W, Mayer, J, Jinschek, J R, Neish, M J, Lugg, N R, Allen, L J

“…Newly developed achromatic electron optics allows the use of wide energy windows and makes feasible energy-filtered transmission electron microscopy (EFTEM) at…”
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Asymptotic Profiles of the Steady States for an SIS Epidemic Patch Model by Allen, L. J. S., Bolker, B. M., Lou, Y., Nevai, A. L.

“…Spatial heterogeneity, habitat connectivity, and rates of movement can have large impacts on the persistence and extinction of infectious diseases. These…”
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Direct observation of depth-dependent atomic displacements associated with dislocations in gallium nitride by Lozano, J G, Yang, H, Guerrero-Lebrero, M P, D'Alfonso, A J, Yasuhara, A, Okunishi, E, Zhang, S, Humphreys, C J, Allen, L J, Galindo, P L, Hirsch, P B, Nellist, P D

“…We demonstrate that the aberration-corrected scanning transmission electron microscope has a sufficiently small depth of field to observe depth-dependent…”
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