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You searched on: Author: jeeseong hwang

Displaying records 51 to 60 of 65 records.
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51. Heterogeneous Molecular Distribution in Supported Multicomponent Lipid Bilayers
Published: 2/1/2004
Authors: F Tokumasu, Jeeseong Hwang, J A Dvorak
Abstract: Membrane domains

52. Mapping Chemical Heterogeneity of Polymeric Materials with Chemical Force Microscopy
Published: 1/1/2004
Authors: Tinh Nguyen, Xiaohong Gu, Michael J Fasolka, Kimberly A Briggman, Jeeseong Hwang, Alamgir Karim, Jonathan W. Martin

53. Fourier Analysis Near-Field Polarimetry for Measurement of Local Optical Properties of Thin Films
Published: 7/1/2003
Authors: Lori S. Goldner, Michael J Fasolka, S Nougier, H P Nguyen, Garnett W Bryant, Jeeseong Hwang, K D. Weston, Kathryn L Beers, A Urbas, Edwin L Thomas
Abstract: We present measurements of the local dichroism and birefringence of thin film specimens us ing techniques that combine near-field scanning optical microscopy (NSOM) and a novel polarization modulation (PM) polarimetry utilizing Fourier analysis of th ...

54. Near-Field Polarimetric Characterization of Semi-Crystalline Polymer Systems
Published: 3/1/2003
Authors: S N Goldie, Michael J Fasolka, Lori S. Goldner, Jeeseong Hwang, Kathryn L Beers
Abstract: We have studied crystallization in thin films of isotactic polystyrene (iPS) to better understand the morphology and formation of these structures through the use of polarization modulation near-field scanning optical microscopy (PM-NSOM). Polymer cr ...

55. Measuring Local Optical Properties: Near-Field Polarimetry of Photonic Block Copolymer Morphology
Published: 1/10/2003
Authors: Michael J Fasolka, Lori S. Goldner, Jeeseong Hwang, A Urbas, P DeRege, T Swager, Edwin L Thomas
Abstract: Due to their microphase separated morphology, block copolymers (BC) can exhibit photonic behavior if their domain periodicity is sufficiently large (>100 nm) [1]. Classical spectroscopic characterization of these optical properties is routine, but o ...

56. Atomic Transition Probability Bibliographic Database (version 7.0)
Published: 1/1/2003
Authors: Jeffrey Robert Fuhr, H R Felrice, Karen J Olsen, Jeeseong Hwang

57. Near-Field Optical Imaging of Microphase Separated and Semi-Crystalline Polymer Systems
Published: 1/1/2002
Authors: Michael J Fasolka, Lori S. Goldner, A Urbas, Jeeseong Hwang, Kathryn L Beers, P DeRege, Evan L. Thomas
Abstract: Polymer self-assembly presents an attractive means of creating the micro- and nano-patterned spatial arrays required for many opto-electronic and coatings technologies. Two of these ordering processes are microphase separation (MS), exhibited by blo ...

58. Imaging Phase Separated Domains in Conducting Polymer Blend Films With Near-Field Scanning Optical Microscopy
Published: 8/1/2001
Authors: Jeeseong Hwang, Lori S. Goldner, Alamgir Karim, C L Gettinger
Abstract: We report on the use of near-field scanning optical microscopy to study phase-separation in polymer films of polmer films of poly(styrene) and poly (3-octylthiophene). Transmission and transmitted fluorescence near-field scanning optical microscope ...

59. Single Molecule Probes
Published: 8/1/2001
Authors: Lori S. Goldner, K D. Weston, W F Heinz, Jeeseong Hwang, E S DeJong, John P Marino
Abstract: The technology to rapidly manipulate and screen individual molecules lies at the frontier of measurement science and impacts emerging bio- and nano-technologies. Fundamental biological and chemical processes can now be probed with unprecedented deta ...

60. Newton's Rings in Near-Field Optics
Published: 1/1/2001
Authors: Lori S. Goldner, Jeeseong Hwang, Garnett W Bryant, Michael J Fasolka, P Absil, J V Hryniewicz, F G Johnson, H Shen, P T Ho
Abstract: We show how Newton's rings manifest themselves in near-field scanning optical microscopy and discuss how this effect can be used with topographic imaging to measure correlated roughness of thin films. In conventional optics, transmission through a th ...

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