Search Results - "Nelson K. A."

Cooperative photoinduced metastable phase control in strained manganite films by Zhang, Jingdi, Tan, Xuelian, Liu, Mengkun, Teitelbaum, S. W., Post, K. W., Jin, Feng, Nelson, K. A., Basov, D. N., Wu, Wenbin, Averitt, R. D.

“…Strain engineering can ‘hide’ the ordinal ferrometallic state in manganite films, pushing the system to a metastable state, which can then be controlled…”
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Observation of second sound in graphite at temperatures above 100 K by Huberman, S, Duncan, R A, Chen, K, Song, B, Chiloyan, V, Ding, Z, Maznev, A A, Chen, G, Nelson, K A

“…Wavelike thermal transport in solids, referred to as second sound, is an exotic phenomenon previously limited to a handful of materials at low temperatures…”
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Thermal conductivity spectroscopy technique to measure phonon mean free paths by Minnich, A J, Johnson, J A, Schmidt, A J, Esfarjani, K, Dresselhaus, M S, Nelson, K A, Chen, G

“…Size effects in heat conduction, which occur when phonon mean free paths (MFPs) are comparable to characteristic lengths, are being extensively explored in…”
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Non-Contact Measurement of Thermal Diffusivity in Ion-Implanted Nuclear Materials by Hofmann, F., Mason, D. R., Eliason, J. K., Maznev, A. A., Nelson, K. A., Dudarev, S. L.

“…Knowledge of mechanical and physical property evolution due to irradiation damage is essential for the development of future fission and fusion reactors…”
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Direct Observation of Coherent Longitudinal and Shear Acoustic Phonons in TaAs Using Ultrafast X-Ray Diffraction by Lee, Min-Cheol, Sirica, N, Teitelbaum, S W, Maznev, A, Pezeril, T, Tutchton, R, Krapivin, V, de la Pena, G A, Huang, Y, Zhao, L X, Chen, G F, Xu, B, Yang, R, Shi, J, Zhu, J-X, Yarotski, D A, Qiu, X G, Nelson, K A, Trigo, M, Reis, D A, Prasankumar, R P

“…Using femtosecond time-resolved x-ray diffraction, we investigated optically excited coherent acoustic phonons in the Weyl semimetal TaAs. The low symmetry of…”
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Optical generation of gigahertz-frequency shear acoustic waves in liquid glycerol by Pezeril, T, Klieber, C, Andrieu, S, Nelson, K A

“…Picosecond laser ultrasonic techniques for acoustic wave generation and detection have been employed to probe shear acoustic waves in liquid glycerol at…”
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Generation of coherent phonons by coherent extreme ultraviolet radiation in a transient grating experiment by Maznev, A. A., Bencivenga, F., Cannizzo, A., Capotondi, F., Cucini, R., Duncan, R. A., Feurer, T., Frazer, T. D., Foglia, L., Frey, H.-M., Kapteyn, H., Knobloch, J., Knopp, G., Masciovecchio, C., Mincigrucci, R., Monaco, G., Murnane, M., Nikolov, I., Pedersoli, E., Simoncig, A., Vega-Flick, A., Nelson, K. A.

“…We investigate the excitation of coherent acoustic and optical phonons by ultrashort extreme ultraviolet (EUV) pulses produced by a free electron laser. Two…”
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Nanoscale transient gratings excited and probed by extreme ultraviolet femtosecond pulses by Bencivenga, F, Mincigrucci, R, Capotondi, F, Foglia, L, Naumenko, D, Maznev, A A, Pedersoli, E, Simoncig, A, Caporaletti, F, Chiloyan, V, Cucini, R, Dallari, F, Duncan, R A, Frazer, T D, Gaio, G, Gessini, A, Giannessi, L, Huberman, S, Kapteyn, H, Knobloch, J, Kurdi, G, Mahne, N, Manfredda, M, Martinelli, A, Murnane, M, Principi, E, Raimondi, L, Spampinati, S, Spezzani, C, Trovò, M, Zangrando, M, Chen, G, Monaco, G, Nelson, K A, Masciovecchio, C

“…Advances in developing ultrafast coherent sources operating at extreme ultraviolet (EUV) and x-ray wavelengths allow the extension of nonlinear optical…”
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Corn Response to Conventional and Slow-Release Nitrogen Fertilizers across a Claypan Landscape by Noellsch, A.J, Motavalli, P.P, Nelson, K.A, Kitchen, N.R

“…Improvement of N fertilizer recovery efficiency (NRE) is necessary to reduce excess N entering the environment and to increase economic returns. A 2-yr field…”
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Resonant attenuation of surface acoustic waves by a disordered monolayer of microspheres by Eliason, J. K., Vega-Flick, A., Hiraiwa, M., Khanolkar, A., Gan, T., Boechler, N., Fang, N., Nelson, K. A., Maznev, A. A.

“…Attenuation of surface acoustic waves (SAWs) by a disordered monolayer of polystyrene microspheres is investigated. Surface acoustic wave packets are generated…”
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Tracking the motion of charges in a terahertz light field by femtosecond X-ray diffraction by Cavalleri, A, Wall, S, Simpson, C, Statz, E, Ward, D. W, Nelson, K. A, Rini, M, Schoenlein, R. W

“…In condensed matter, light propagation near resonances is described in terms of polaritons, electro-mechanical excitations in which the time-dependent electric…”
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Soybean Yield Response to Pyraclostrobin and Drainage Water Management by Nelson, K.A, Meinhardt, C.G

“…Although pyraclostrobin {carbamic acid, [2,[[[1-(4-chlorophenyl)-1H-pyrazol-3-yl]oxy]methyl]phenyl]methoxy-,methyl ester} has been used to protect soybean…”
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Foliar Boron and Pyraclostrobin Effects on Corn Yield by Nelson, K.A, Meinhardt, C.G

“…Corn (Zea mays L.) response to boron (B) on fine textured soils has had limited research, and no research has evaluated interactions between B and crop…”
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Evaluation of nutritional status in advanced metastatic cancer by SARHILL, N, MAHMOUD, F, WALSH, D, NELSON, K. A, KOMURCU, S, DAVIS, M, LEGRAND, S, ABDULLAH, O, RYBICKI, L

“…Consecutive cancer referrals to a palliative medicine program were evaluated to assess nutritional status using a standard protocol. The study included 352…”
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Increasing omega fatty acid content in cow's milk through diet manipulation: effect on milk flavor by Nelson, K A S, Martini, S

“…Milk with an increased content of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), and conjugated linoleic acid (CLA) was obtained by incorporating…”
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Soybean Response to Drainage and Subirrigation on a Claypan Soil in Northeast Missouri by Nelson, K.A, Smoot, R.L, Meinhardt, C.G

“…Integrated water management systems using drainage plus subirrigation (DSI) have reduced nitrate-loading of drainage water flow and may increase soybean…”
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Effects of Polymer-Coated Urea Application Ratios and Dates on Wheat and Subsequent Double-Crop Soybean by Nash, P.R, Nelson, K.A, Motavalli, P.P, Meinhardt, C.G

“…Effective management of soil N fertilizer, including the use of enhanced efficiency N fertilizer sources and optimal dates of fertilizer application, may…”
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Clinical presentation of children with pulmonary tuberculosis: 25 years of experience in Lima, Peru by del Castillo-Barrientos, H., Centeno-Luque, G., Untiveros-Tello, A., Simms, B., Lecca, L., Nelson, A. K., Lastimoso, C., Shin, S.

“…OBJECTIVE: To describe clinical presentation across age groups in 2855 children with pulmonary tuberculosis (TB) attending the Children's Hospital, Lima, Peru,…”
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Intrinsic to extrinsic phonon lifetime transition in a GaAs-AlAs superlattice by Hofmann, F, Garg, J, Maznev, A A, Jandl, A, Bulsara, M, Fitzgerald, E A, Chen, G, Nelson, K A

“…We have measured the lifetimes of two zone-center longitudinal acoustic phonon modes, at 320 and 640 GHz, in a 14 nm GaAs/2 nm AlAs superlattice structure. By…”
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Lifetime of high-order thickness resonances of thin silicon membranes by Maznev, A.A., Hofmann, F., Cuffe, J., Eliason, J.K., Nelson, K.A.

“…Femtosecond laser pulses are used to excite and probe high-order longitudinal thickness resonances at a frequency of ∼270GHz in suspended Si membranes with…”
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