36 Publications (Page 1 of 2)
2020
Mesoporous silica formation mechanisms probed using combined Spin-Echo Modulated Small Angle Neutron Scattering (SEMSANS) and Small Angle Neutron Scattering (SANS)Schmitt, Julien⋅Zeeuw, Jan Joost⋅Plomp, Jeroen⋅Bouwman, Wim G⋅Washington, Adam⋅Dalgliesh, Robert Malcolm⋅Duif, Chris⋅Thijs, Michel A⋅Li, Fankang⋅Pynn, Roger⋅Parnell, Steven R and Edler, Karen JACS applied materials & interfaces, 2020-Apr-24.
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2019
High‐resolution phonon energy shift measurements with the inelastic neutron spin echo techniqueLi, Fankang⋅Shen, Jiazhou⋅Parnell, Steven R⋅Thaler, Alex N⋅Matsuda, Masaaki⋅Keller, Thomas⋅Delaire, Olivier⋅Pynn, Roger and Fernandez-Baca, Jaime AJournal of Applied Crystallography, vol. 52, (no. 4), pp. 760, August 2019.
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2018
Grating‐based holographic diffraction methods for X‐rays and neutrons: phase object approximation and dynamical theoryFeng, Hao⋅Ashkar, Rana⋅Steinke, Nina⋅Dalgliesh, Robert⋅Lavrik, Nickolay V⋅Kravchenko, Ivan I and Pynn, RogerJournal of Applied Crystallography, vol. 51, (no. 1), pp. 75, February 2018.
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2017
High resolution neutron Larmor diffraction using superconducting magnetic Wollaston prismsLi, Fankang⋅Li, Fankang⋅Feng, Hao⋅Feng, Hao⋅Thaler, Alexander⋅Thaler, Alexander N⋅Parnell, S.R⋅Parnell, Steven R⋅Hamilton, William A⋅Hamilton, William⋅Crow, Lowell⋅Crow, Lowell⋅Yang, Wencao⋅Yang, Wencao⋅Jones, Amy⋅Jones, Amy B⋅Bai, Hongyu⋅Bai, Hongyu⋅Matsuda, Masaaki⋅Matsuda, Masaaki⋅Baxter, David V⋅Baxter, David⋅Keller, Thomas⋅Keller, Thomas⋅Fernandez-Baca, Jaime⋅Fernandez-Baca, Jaime A⋅Pynn, Roger and Pynn, RogerScientific Reports, vol. 7, (no. 1), pp. 9, 2017-04-13.
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Hydration forces between aligned DNA helices undergoing B to A conformational change: In-situ X-ray fiber diffraction studies in a humidity and temperature controlled environmentCase, Ryan⋅Case, Ryan⋅Schollmeyer, Hauke⋅Schollmeyer, Hauke⋅Kohl, Phillip⋅Kohl, Phillip⋅Sirota, Eric B⋅Sirota, Eric B⋅Pynn, Roger⋅Pynn, Roger⋅Ewert, Kai E⋅Ewert, Kai E⋅Safinya, Cyrus R⋅Safinya, Cyrus R⋅Li, Youli and Li, YouliJournal of Structural Biology, vol. 200, (no. 3), pp. 292, December 2017.
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2016
Spin echo modulated small‐angle neutron scattering using superconducting magnetic Wollaston prismsLi, Fankang⋅Li, Fankang⋅Parnell, Steven R⋅Parnell, Steven R⋅Bai, Hongyu⋅Bai, Hongyu⋅Yang, Wencao⋅Yang, Wencao⋅Hamilton, William A⋅Hamilton, William A⋅Maranville, Brian B⋅Maranville, Brian B⋅Ashkar, Rana⋅Ashkar, Rana⋅Baxter, David V⋅Baxter, David V⋅Cremer, J. Ted⋅Cremer, J. Ted⋅Pynn, Roger and Pynn, RogerJournal of Applied Crystallography, vol. 49, (no. 1), pp. 63, February 2016.
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2014
A new approach for probing matter in periodic nanoconfinements using neutron scatteringAshkar, Rana⋅Pynn, Roger⋅Dalgliesh, Robert⋅Lavrik, Nickolay V and Kravchenko, Ivan IJournal of Applied Crystallography, vol. 47, (no. 4), pp. 1373, August 2014.
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A novel neutron spin echo technique for measuring phonon linewidths using magnetic Wollaston prismsLi, Fankang and Pynn, RogerJournal of Applied Crystallography, vol. 47, (no. 6), pp. 1854, December 2014.
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2013
DCD USANS and SESANS: a comparison of two neutron scattering techniques applicable for the study of large‐scale structuresRehm, Christine⋅Barker, John⋅Bouwman, Wim G and Pynn, RogerJournal of Applied Crystallography, vol. 46, (no. 2), pp. 364, April 2013.
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International Neutron Scattering Instrumentation School (INSIS)Pynn, RogerNeutron News, vol. 24, (no. 1), pp. 7, 2/1/2013.
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Publisher's Note: “Neutron spin evolution through broadband current sheet spin flippers” [ Rev. Sci. Instrum. 84, 105113 (2013)]Stonaha, P⋅Hendrie, J⋅Lee, W. T and Pynn, RogerReview of Scientific Instruments, vol. 84, (no. 11), pp. 119901, 20131100.
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2012
Contrast variation in spin-echo small angle neutron scatteringLi, Xin⋅Li, Xin⋅Wu, Bin⋅Wu, Bin⋅Liu, Yun⋅Liu, Yun⋅Pynn, Roger⋅Pynn, Roger⋅Shew, Chwen-Yang⋅Shew, Chwen-Yang⋅Smith, Gregory S⋅Smith, Gregory S⋅Herwig, Kenneth W⋅Herwig, Kenneth W⋅Robertson, J Lee⋅Robertson, J L⋅Chen, Wei-Ren⋅Chen, Wei-Ren⋅Liu, Li and Liu, LiJournal of physics. Condensed matter : an Institute of Physics journal, vol. 24, (no. 6), pp. 064115, 2012-Feb-15.
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2011
Comparison of dynamical theory and phase‐object approximation for neutron scattering from periodic structuresAshkar, Rana⋅de Haan, V. O⋅van Well, A. A⋅Dalgliesh, R⋅Plomp, J⋅Fitzsimmons, M. R⋅Schaich, W. L and Pynn, RogerJournal of Applied Crystallography, vol. 44, (no. 5), pp. 965, October 2011.
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Prospect for characterizing interacting soft colloidal structures using spin-echo small angle neutron scatteringPynn, Roger⋅Robertson, J⋅Chen, Wei-Ren⋅Liu, Emily⋅Liu, Yun⋅Smith, Gregory⋅Li, Xin⋅Herwig, Kenneth⋅Li, Xin⋅Shew, Chwen-Yang⋅Shew, Chwen Yang⋅Liu, Yun⋅Pynn, Roger⋅Liu, Emily⋅Herwig, Kenneth W⋅Smith, Gregory S⋅Robertson, J L and Chen, Wei-RenJournal of Chemical Physics, vol. 134, (no. 9), pp. 094504-13, 2011-03-02.
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Some recent results using spin echo resolved grazing incidence scattering (SERGIS)Pynn, Roger⋅Ashkar, Rana⋅Stonaha, P. and Washington, ALPhysica B: Condensed Matter, vol. 406, (no. 12), pp. 2350-2353, 2011.
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2010
Dynamical theory calculations of spin-echo resolved grazing-incidence scattering from a diffraction gratingAshkar, Rana⋅Stonaha, P.⋅Washington, A. L⋅Shah, V. R⋅Fitzsimmons, M. R⋅Maranville, B.⋅Majkrzak, C. F⋅Lee, W. T⋅Schaich, W. L and Pynn, RogerJournal of Applied Crystallography, vol. 43, (no. 3), pp. 455-465, Jun 2010.
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Spin-Echo Resolved Grazing Incidence Scattering (SERGIS) at Pulsed and CW Neutron SourcesAshkar, Rana⋅Stonaha, P⋅Washington, A⋅Shah, V⋅Fitzsimmons, M⋅Maranville, B⋅Majkrzak, C⋅Lee, W and Pynn, RogerJournal of Physics: Conference Series, vol. 251, pp. 012066, 20101101.
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Theoretical studies on the structure of interacting colloidal suspensionsby spin-echo small angle neutron scatteringPynn, Roger⋅Liu, Emily⋅Herwig, Kenneth⋅Smith, Gregory⋅Robertson, J⋅Shew, Chwen-Yang⋅Liu, Yun⋅Chen, Wei-Ren⋅Li, Xin⋅Li, Xin⋅Shew, Chwen Yang⋅Liu, Yun⋅Pynn, Roger⋅Liu, Emily⋅Herwig, Kenneth W⋅Smith, Gregory S⋅Robertson, J L and Chen, Wei-RenJournal of Chemical Physics, vol. 132, (no. 17), pp. 174509-14, 2010-05-07.
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2009
A spin-echo resolved grazing incidence scattering setup for the neutron interrogation of buried nanostructuresPynn, Roger⋅Major, Márton⋅Felcher, Gian⋅Nülle, Max⋅Mezger, Markus⋅Keller, Thomas⋅Maier, Ralf⋅Falus, Péter⋅Dosch, Helmut⋅Vorobiev, Alexei⋅Rühm, Adrian⋅Major, János⋅Major, János⋅Vorobiev, Alexei⋅Rühm, Adrian⋅Maier, Ralf⋅Major, Márton⋅Mezger, Markus⋅Nülle, Max⋅Dosch, Helmut⋅Felcher, Gian P⋅Falus, Péter⋅Keller, Thomas and Pynn, RogerReview of Scientific Instruments, vol. 80, (no. 12), pp. 123903-29, 2009-12-18.
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Birefringent neutron prisms for spin echo scattering angle measurementPynn, Roger⋅Fitzsimmons, M.R.⋅Lee, W.T.⋅Stonaha, P.⋅Shah, V.R.⋅Washington, A.L.⋅Kirby, B.J.⋅Majkrzak, C.F. and Maranville, B.B.Physica B: Condensed Matter, vol. 404, (no. 17), pp. 2582-2584, 2009.
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Measurement of the vortex core in sub-100 nm Fe dots using polarized neutron scatteringRoshchin, Igor V⋅Li, Chang-Peng⋅Suhl, Harry⋅Batlle Gelabert, Xavier⋅Roy, S.⋅Sinha, Sunil K⋅Park, S.⋅Pynn, Roger⋅Fitzsimmons, M. R⋅Mejia-Lopez, Jose⋅Altbir, Dora⋅Romero, A. H and Schuller, Ivan KEurophysics Letters (EPL), vol. 86, (no. 6), pp. 67008P1-6, 2009.
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2008
Spin echo scattering angle measurement at a pulsed neutron sourcePynn, Roger⋅Fitzsimmons, M. R⋅Lee, W. T⋅Shah, V. R⋅Washington, A. L⋅Stonaha, P. and Littrell, KenJournal of Applied Crystallography, vol. 41, (no. 5), pp. 897-905, 2008.
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The use of symmetry to correct Larmor phase aberrations in spin echo scattering angle measurementKirby, B⋅Washington, A⋅Majkrzak, C⋅Shah, V⋅Maranville, B⋅Lee, W⋅Stonaha, P and Pynn, RogerReview of Scientific Instruments, vol. 79, (no. 6), pp. 063901-8, 2008-06-04.
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2006
Using neutron spin echo to probe space and time correlations in thin filmsPynn, RogerJournal of Neutron Research, vol. 14, (no. 3), pp. 227, 2006-09-01.
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2005
Broadband spin flippers constructed from thin magnetic filmsPynn, RogerPhysica B: Physics of Condensed Matter, vol. 356, (no. 1), pp. 181, 2005.
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