Publications
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Advances in group III-nitride-based deep UV light-emitting diode technology
Applications for UV light emitting diodes (LEDs) are discussed and the state-of-the-art in the area of InAlGaN UV LED technology is being reviewed.
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Transient photoconductivity in polymer bulk heterojunction solar cells: competition between sweep-out and recombination
Transient photoconductivity measurements carried out on bulk heterojunction (BHJ) solar cells demonstrate the competition between carrier sweep-out by the internal field and the loss of photo-generated carriers by recombination.
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Integrated parallel printing systems with hypermodular architecture
We describe here a system consisting of multiple, relatively inexpensive marking engines.
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InAlGaN optical emitters: laser diodes with non-epitaxial cladding layers and ultraviolet light-emitting diodes
We describe recent work on nitride lasers and LEDs at PARC.
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Scientific challenges underlying production document processing
We reflect on three categories of problems we have encountered which are both scientifically challenging and of high practical value. These are Doctype Classification, Functional Role Labeling, and Document Sets.
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Coalescence during epitaxial lateral overgrowth of (Al,Ga)N(11.2) layers
Epitaxial lateral overgrowth (ELOG) is reported for semi-polar (Al,Ga)N(11.2) layers on GaN/m-sapphire templates.
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Coordinating regulation and demand response in electric power grids using multirate model predictive control
We explore the question of whether it is possible to reduce demand-supply imbalances in the grid, by jointly controlling both the supply-side electric power regulation together with the demand-side energy…
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Activation of Cortical Interneurons During Sleep: An Anatomical Link to Homeostatic Sleep Regulation?
We propose that cortical nNOS neurons are positioned to influence neuronal activity across widespread brain areas.
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Self-Concept Development of Students With Disabilities: Disability Category, Gender, and Racial Differences From Early Elementary to High School
Developmental trajectories of two self-concept constructs in three domains were estimated in a nationally representative sample of approximately 3,500 students with disabilities ages 8 to 17 representing 11 federal disability…
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Behavior Problems in Learning Activities and Social Interactions in Head Start Classrooms and Early Reading, Mathematics, and Approaches to Learning
Early problem behavior in structured learning activities consistently predicted lower academic outcomes (early reading and mathematics ability) as well as lower motivation, attention, and persistence in academically focused tasks.
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BioCyc: Microbial Genomes and Cellular Networks
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Collisional Relaxation of O(2)(X(3) Sigma(-)(G), Nu=1) and O(2)(A(1) Delta(G), Nu=1) By Atmospherically Relevant Species
Laboratory measurements are reported of the rate coefficient for collisional removal of O2(𝑋3𝛴−𝑔 , υ = 1) by O(3P), and the rate coefficients for removal of O2(a1Δg, υ = 1)…