Search Results - "Duncan, E W"

Structural and Optical Emission Uniformity of m‑Plane InGaN Single Quantum Wells in Core–Shell Nanorods by Le Boulbar, Emmanuel D, Edwards, Paul R, Vajargah, Shahrzad Hosseini, Griffiths, Ian, Gîrgel, Ionut, Coulon, Pierre-Marie, Cherns, David, Martin, Robert W, Humphreys, Colin J, Bowen, Chris R, Allsopp, Duncan W. E, Shields, Philip A

“…Controlling the long-range homogeneity of core–shell InGaN/GaN layers is essential for their use in light-emitting devices. This paper demonstrates variations…”
Get full text

Evolution of the m‑Plane Quantum Well Morphology and Composition within a GaN/InGaN Core–Shell Structure by Coulon, Pierre-Marie, Vajargah, Shahrzad hosseini, Bao, An, Edwards, Paul R, Le Boulbar, Emmanuel D, Girgel, Ionut, Martin, Robert W, Humphreys, Colin J, Oliver, Rachel A, Allsopp, Duncan W. E, Shields, Philip A

“…GaN/InGaN core–shell nanorods are promising for optoelectronic applications due to the absence of polarization-related electric fields on the sidewalls, a…”
Get full text

Nanoimprint lithography resist profile inversion for lift-off applications by Shields, Philip A., Allsopp, Duncan W.E.

“…A method is described in which the tapered features that are inherent to nanoimprint lithography are inverted to allow successful lift-off. A mold of the…”
Get full text

A Quasi-Analytic Modal Expansion Technique for Modeling Light Emission From Nanorod LEDs by O'Kane, Simon E. J., Sarma, J., Allsopp, Duncan W. E.

“…A mathematical model, based on cylindrical modes, capable of predicting the far-field angular emission pattern resulting from emission within cylindrical…”
Get full text

Investigation of Strain-Relaxation Characteristics of Nitrides Grown on Si(110) by Metalorganic Chemical Vapor Deposition Using X-ray Diffraction by Jiang, Quanzhong, Lewins, Christopher J, Allsopp, Duncan W. E, Bowen, Chris R, Wang, Wang N

“…This paper describes the effect of an interfacial biaxial stress field on the dislocation formation dynamics during epitaxial growth of nitrides on Si(110)…”
Get full text

Nitrous Oxide and Ammonia Emissions from Injected and Broadcast‐Applied Dairy Slurry by Duncan, E. W., Dell, C. J., Kleinman, P. J. A., Beegle, D. B.

“…Trade‐offs associated with surface application or injection of manure pose important environmental and agronomic concerns. Manure injection can conserve…”
Get full text

Enhanced Photoluminescence from InGaN/GaN Quantum Wells on A GaN/Si(111) Template with Extended Three-Dimensional GaN Growth on Low-Temperature AlN Interlayer by Jiang, Quanzhong, Lewins, Christopher J, Allsopp, Duncan W. E, Bowen, Chris R, Wang, Wang N, Satka, Alexander, Priesol, Juraj, Uherek, Frantisek

“…This paper describes a low-cost route for the reduction of dislocations during growth of GaN on Si(111) using metalorganic vapour phase epitaxy (MOVPE) through…”
Get full text

Photoluminescence of Single GaN/InGaN Nanorod Light Emitting Diode Fabricated on a Wafer Scale by Chan, Christopher C. S, Zhuang, YiDing, Reid, Benjamin P. L, Jia, Wei, Holmes, Mark J, Alexander-Webber, Jack A, Nakazawa, Shingo, Shields, Philip A, Allsopp, Duncan W. E, Taylor, Robert A

“…Nanorod arrays were fabricated on a blue InGaN/GaN single quantum well (QW) LED wafer using nanoimprint lithography. A regular hexagonal lattice of nanorods…”
Get full text

Coalescence-induced planar defects in GaN layers grown on ordered arrays of nanorods by metal-organic vapour phase epitaxy by Huang, Chang-Ning, Shields, Philip A., Allsopp, Duncan W.E., Trampert, Achim

“…The planar defect structure of coalesced GaN layers fabricated on ordered arrays of nanorods and grown by metal-organic vapour phase epitaxy has been studied…”
Get full text

Optical Properties of GaN Nanorods Containing a Single or Multiple InGaN Quantum Wells by Zhuang, Yi D, Lis, Szymon, Bruckbauer, Jochen, O'Kane, Simon E. J, Shields, Philip A, Edwards, Paul R, Sarma, Jayanta, Martin, Robert W, Allsopp, Duncan W. E

“…Measurements of light emission from GaN nanorods of diameter between 80 and 350 nm, containing either a three-well multiple InGaN quantum well or a single…”
Get full text

Advancing the Sustainability of US Agriculture through Long‐Term Research by Kleinman, P. J. A., Spiegal, S., Rigby, J. R., Goslee, S. C., Baker, J. M., Bestelmeyer, B. T., Boughton, R. K., Bryant, R. B., Cavigelli, M. A., Derner, J. D., Duncan, E. W., Goodrich, D. C., Huggins, D. R., King, K. W., Liebig, M. A., Locke, M. A., Mirsky, S. B., Moglen, G. E., Moorman, T. B., Pierson, F. B., Robertson, G. P., Sadler, E. J., Shortle, J. S., Steiner, J. L., Strickland, T. C., Swain, H. M., Tsegaye, T., Williams, M. R., Walthall, C. L.

“…Agriculture in the United States must respond to escalating demands for productivity and efficiency, as well as pressures to improve its stewardship of natural…”
Get full text

Evaluating strategies for sustainable intensification of US agriculture through the Long-Term Agroecosystem Research network by Spiegal, S, Bestelmeyer, B T, Archer, D W, Augustine, D J, Boughton, E H, Boughton, R K, Cavigelli, M A, Clark, P E, Derner, J D, Duncan, E W, Hapeman, C J, Harmel, R D, Heilman, P, Holly, M A, Huggins, D R, King, K, Kleinman, P J A, Liebig, M A, Locke, M A, McCarty, G W, Millar, N, Mirsky, S B, Moorman, T B, Pierson, F B, Rigby, J R, Robertson, G P, Steiner, J L, Strickland, T C, Swain, H M, Wienhold, B J, Wulfhorst, J D, Yost, M A, Walthall, C L

“…Sustainable intensification is an emerging model for agriculture designed to reconcile accelerating global demand for agricultural products with long-term…”
Get full text

Nitrogen cycling trade-offs with broadcasting and injecting dairy manure by Duncan, E. W., Kleinman, P. J. A., Beegle, D. B., Dell, C. J.

“…Understanding the fate of nutrients in land-applied manure is key to improving the efficiency of their use in crop production. We developed nitrogen (N)…”
Get full text

Stress Engineering During the Fabrication of InGaN/GaN Vertical Light Emitting Diodes for Reducing the Quantum Confined Stark Effect by Ki, Paulo, Quanzhong Jiang, Wang, Wang N., Allsopp, Duncan W. E.

“…The scope for reengineering the stress in vertical light-emitting diodes (VLEDs) grown Si(111) substrates during the substrate removal and wafer bonding steps…”
Get full text

Corrections to "A Quasi-Analytic Modal Expansion Technique for Modeling Light Emission From Nanorod LEDs" [Sep 14 774-781] by O'Kane, Simon E. J., Sarma, J., Allsopp, Duncan W. E.

“…In the above-named paper, there was a minor error in the implementation of the transfer matrix method used to calculate the complex reflection coefficient…”
Get full text

Fabrication and Characterization of Light-Emitting Diodes Comprising Highly Ordered Arrays of Emissive InGaN/GaN Nanorods by Zhuang, Yi Ding, Lewins, Christopher John, Lis, Szymon, Shields, Philip A., Allsopp, Duncan W. E.

“…A simple approach to fabricating ordered InGaN/GaN nanorod arrays light-emitting diodes (LEDs) with strongly directional light emission is reported. The far…”
Get full text

Optical studies of the surface effects from the luminescence of single GaN/InGaN nanorod light emitting diodes fabricated on a wafer scale by Chan, Christopher C. S., Reid, Benjamin P. L., Taylor, Robert A., Zhuang, YiDing, Shields, Philip A., Allsopp, Duncan W. E., Jia, Wei

“…Time-resolved and time-integrated microphotoluminescence studies at 4.2 K were performed on a single InGaN/GaN nanorod light emitting diode, fabricated in an…”
Get full text

Androgen deprivation in men with prostate cancer is associated with an increased rate of bone loss by Preston, D M, Torréns, J I, Harding, P, Howard, R S, Duncan, W E, McLeod, D G

“…The objective of this work was to determine the effect of androgen deprivation therapy (ADT) on rates of bone mineral density (BMD) loss in men with prostate…”
Get full text

One-dimensional coupled cavities photonic crystal filters with tapered Bragg mirrors by Chen, Qin, Allsopp, Duncan W.E.

“…The performance of one-dimensional (1D) coupled cavities photonic crystal (PC) filters has been analyzed by finite-difference time-domain (FDTD) simulation. It…”
Get full text

Coupling Dairy Manure Storage with Injection to Improve Nitrogen Management: Whole‐Farm Simulation Using the Integrated Farm System Model by Duncan, E. W., Kleinman, P. J. A., Beegle, D. B., Rotz, C. A.

“…Core Ideas Manure storage and injection strategies were simulated using the Integrated Farming Systems Model. Strategies were verified using field data. We…”
Get full text