Ivan I Smalyukh

Summary

Affiliation: University of Colorado
Country: USA

Publications

  1. doi request reprint Magnetically responsive gourd-shaped colloidal particles in cholesteric liquid crystals
    Bohdan Senyuk
    Department of Physics, University of Colorado, Boulder, CO 80309, USA
    Soft Matter 10:6014-23. 2014
  2. doi request reprint Optically generated reconfigurable photonic structures of elastic quasiparticles in frustrated cholesteric liquid crystals
    Ivan I Smalyukh
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 20:6870-80. 2012
  3. ncbi request reprint Elasticity-mediated nematiclike bacterial organization in model extracellular DNA matrix
    Ivan I Smalyukh
    Department of Materials Science and Engineering, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 78:030701. 2008
  4. doi request reprint Three-dimensional structure and multistable optical switching of triple-twisted particle-like excitations in anisotropic fluids
    Ivan I Smalyukh
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Nat Mater 9:139-45. 2010
  5. doi request reprint Unconventional structure-assisted optical manipulation of high-index nanowires in liquid crystals
    David Engstrom
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 20:7741-8. 2012
  6. ncbi request reprint Nonlinear photoluminescence imaging of isotropic and liquid crystalline dispersions of graphene oxide
    Bohdan Senyuk
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, United States
    ACS Nano 6:8060-6. 2012
  7. doi request reprint Shape-dependent oriented trapping and scaffolding of plasmonic nanoparticles by topological defects for self-assembly of colloidal dimers in liquid crystals
    Bohdan Senyuk
    Department of Physics, Materials Science and Engineering Program, and Liquid Crystals Materials Research Center, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Nano Lett 12:955-63. 2012
  8. doi request reprint Imaging of director fields in liquid crystals using stimulated Raman scattering microscopy
    Taewoo Lee
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 21:12129-34. 2013
  9. pmc Laser-directed hierarchical assembly of liquid crystal defects and control of optical phase singularities
    Paul J Ackerman
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Sci Rep 2:414. 2012
  10. ncbi request reprint Active shape-morphing elastomeric colloids in short-pitch cholesteric liquid crystals
    Julian S Evans
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev Lett 110:187802. 2013

Collaborators

  • Sailing He
  • Nathan J Jenness
  • Paras N Prasad
  • Joshua D Shrout
  • Xin Li
  • Vivek Singh
  • Thomas E Angelini
  • Mattias Goksör
  • Angel Martinez
  • Martin Persson
  • Halina Rubinsztein-Dunlop
  • Ning Wu
  • Matthew R Parsek
  • David M Walba
  • Donald B Conkey
  • Sri Rama Prasanna Pavani
  • Jun Qian
  • Qingkun Liu
  • Bohdan Senyuk
  • Taewoo Lee
  • Paul J Ackerman
  • Rahul P Trivedi
  • Michael C M Varney
  • Julian S Evans
  • Michael G Campbell
  • Yuan Zhang
  • Haridas Mundoor
  • Mykola Tasinkevych
  • Jao van de Lagemaat
  • Rajdeep Deb
  • Christopher W Twombly
  • Kris A Bertness
  • Ye Yuan
  • Qi C Sun
  • Jianwei Tang
  • Noel A Clark
  • Nandiraju V S Rao
  • David Engstrom
  • Zhiyuan Qi
  • Núria Petit-Garrido
  • Dong Ki Yoon
  • Ghee Hwee Lai
  • Matt Oneill
  • Javier A López
  • Sijia Wang
  • Shaowei Wang
  • Qiaoxuan Zhang
  • Josep C Ribot
  • Prashant Nagpal
  • Nuno M Silvestre
  • Timothy J White
  • Tom C Lubensky
  • David Glugla
  • Randall D Kamien
  • Timothy J Callahan
  • Patrick Keller
  • Yaoran Sun
  • Derek G Gann
  • Victor M Pergamenshchik
  • Robert B Kusner
  • Yiheng Lin
  • Mauricio J Laviada
  • Ivan I Klevets
  • Natnael Behabtu
  • Eugene R Zubarev
  • Matteo Pasquali
  • James M Tour
  • Gabriel Ceriotti
  • Yves Lansac
  • Leonid Vigderman
  • Pramit Manna
  • Benjamin G Pacheco
  • Julian Evans
  • Clayton Lapointe
  • Corinne Beier
  • Jordi Ignés-Mullol
  • Francesc Sagués
  • Josep Claret
  • Theodor Asavei
  • Eva Korblova
  • Ken Ishikawa
  • Dennis Gardner
  • Yanxia Cui
  • Dong Chen
  • Renfan Shao
  • John C Butler
  • Olena V Zribi
  • Gerard C L Wong
  • Kirstin R Purdy
  • Ramin Golestanian

Detail Information

Publications42

  1. doi request reprint Magnetically responsive gourd-shaped colloidal particles in cholesteric liquid crystals
    Bohdan Senyuk
    Department of Physics, University of Colorado, Boulder, CO 80309, USA
    Soft Matter 10:6014-23. 2014
    ....
  2. doi request reprint Optically generated reconfigurable photonic structures of elastic quasiparticles in frustrated cholesteric liquid crystals
    Ivan I Smalyukh
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 20:6870-80. 2012
    ..This robust control is performed by tightly focused laser beams of power 10-100 mW and by low-frequency electric fields at voltages ~10 V applied to the transparent electrodes...
  3. ncbi request reprint Elasticity-mediated nematiclike bacterial organization in model extracellular DNA matrix
    Ivan I Smalyukh
    Department of Materials Science and Engineering, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 78:030701. 2008
    ....
  4. doi request reprint Three-dimensional structure and multistable optical switching of triple-twisted particle-like excitations in anisotropic fluids
    Ivan I Smalyukh
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Nat Mater 9:139-45. 2010
    ..Robust generation of torons at predetermined locations combined with both optical and electrical reversible switching can lead to new ways of multistable structuring of complex photonic architectures in soft materials...
  5. doi request reprint Unconventional structure-assisted optical manipulation of high-index nanowires in liquid crystals
    David Engstrom
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 20:7741-8. 2012
    ....
  6. ncbi request reprint Nonlinear photoluminescence imaging of isotropic and liquid crystalline dispersions of graphene oxide
    Bohdan Senyuk
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, United States
    ACS Nano 6:8060-6. 2012
    ....
  7. doi request reprint Shape-dependent oriented trapping and scaffolding of plasmonic nanoparticles by topological defects for self-assembly of colloidal dimers in liquid crystals
    Bohdan Senyuk
    Department of Physics, Materials Science and Engineering Program, and Liquid Crystals Materials Research Center, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Nano Lett 12:955-63. 2012
    ..Using laser tweezers, we manipulate the ensuing nanoparticle-microsphere colloidal dimers, probing the strength of elastic binding and demonstrating self-assembly of hierarchical colloidal superstructures such as chains and arrays...
  8. doi request reprint Imaging of director fields in liquid crystals using stimulated Raman scattering microscopy
    Taewoo Lee
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 21:12129-34. 2013
    ....
  9. pmc Laser-directed hierarchical assembly of liquid crystal defects and control of optical phase singularities
    Paul J Ackerman
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Sci Rep 2:414. 2012
    ....
  10. ncbi request reprint Active shape-morphing elastomeric colloids in short-pitch cholesteric liquid crystals
    Julian S Evans
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev Lett 110:187802. 2013
    ....
  11. ncbi request reprint Self-organized gels in DNA/F-actin mixtures without crosslinkers: networks of induced nematic domains with tunable density
    Ghee Hwee Lai
    Department of Physics, University of Illinois at Urbana Champaign, Urbana, Illinois 61801, USA
    Phys Rev Lett 101:218303. 2008
    ..Interestingly, the system changes from a counterion-controlled regime to a depletion-controlled regime with added salt, with drastic consequences for the osmotic pressure induced phase behavior...
  12. doi request reprint Metal nanoparticle dispersion, alignment, and assembly in nematic liquid crystals for applications in switchable plasmonic color filters and e-polarizers
    Yuan Zhang
    Department of Physics, University of Colorado, Boulder, Colorado 80309, United States
    ACS Nano 9:3097-108. 2015
    ..Electrically tunable interaction of the composites may allow for engineering of practical electro-optic devices, such as a new breed of color filters and plasmonic polarizers. ..
  13. ncbi request reprint Two-dimensional skyrmions and other solitonic structures in confinement-frustrated chiral nematics
    Paul J Ackerman
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA and Department of Electrical, Computer and Energy Engineering, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 90:012505. 2014
    ....
  14. ncbi request reprint Shape-dependent dispersion and alignment of nonaggregating plasmonic gold nanoparticles in lyotropic and thermotropic liquid crystals
    Qingkun Liu
    Department of Physics and Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 89:052505. 2014
    ..A simple phenomenological model based on anisotropic surface interaction explains the alignment of gold nanorods dispersed in liquid crystals and the physical underpinnings behind our observations. ..
  15. ncbi request reprint Plasmonic complex fluids of nematiclike and helicoidal self-assemblies of gold nanorods with a negative order parameter
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev Lett 109:088301. 2012
    ..Self-alignment and effective-medium optical properties of these hybrid inorganic-organic complex fluids match predictions of a simple model based on anisotropic surface anchoring interactions of nanorods with the structured host medium...
  16. doi request reprint Measurement of viscosity of lyotropic liquid crystals by means of rotating laser-trapped microparticles
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, CO 80309, USA
    Opt Express 19:25134-43. 2011
    ..This simple yet powerful method is capable of probing viscosity of complex anisotropic fluids for small amounts of sample and even in the presence of defects that obstruct the use of conventional rheology techniques...
  17. doi request reprint Three dimensional optical manipulation and structural imaging of soft materials by use of laser tweezers and multimodal nonlinear microscopy
    Rahul P Trivedi
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 18:27658-69. 2010
    ..We also demonstrate optical generation and control of topological defects and simultaneous reconstruction of their three-dimensional long-range molecular orientational patterns from the nonlinear optical images...
  18. pmc Organization of the polarization splay modulated smectic liquid crystal phase by topographic confinement
    Dong Ki Yoon
    Department of Physics, and Liquid Crystal Materials Research Center, University of Colorado, Boulder, CO 80309, USA
    Proc Natl Acad Sci U S A 107:21311-5. 2010
    ....
  19. doi request reprint Three-dimensional parallel particle manipulation and tracking by integrating holographic optical tweezers and engineered point spread functions
    Donald B Conkey
    Department of Electrical, Computer and Energy Engineering, University of Colorado, Boulder, CO 80309, USA
    Opt Express 19:3835-42. 2011
    ..The system is thus capable of unveiling complex 3D force landscapes that make it suitable for quantitative studies of interactions in colloidal systems, biological materials, and a variety of soft matter systems...
  20. doi request reprint Nanocrystals: orientationally ordered colloidal co-dispersions of gold nanorods and cellulose nanocrystals (adv. Mater. 42/2014)
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, CO, 80309, USA
    Adv Mater 26:7133. 2014
    ..I. Smalyuk and co-workers on page 7178. Obtained using crossed polarizers and a retardation plate, the optical image depicts drops with gold nanorods mimicking order in the liquid-crystalline matrix of cellulose nanocrystals. ..
  21. ncbi request reprint Periodic dynamics, localization metastability, and elastic interaction of colloidal particles with confining surfaces and helicoidal structure of cholesteric liquid crystals
    Michael C M Varney
    Department of Physics, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 90:062502. 2014
    ..A potential application emerging from this work is colloidal sorting based on particle shapes and sizes. ..
  22. doi request reprint Orientationally ordered colloidal co-dispersions of gold nanorods and cellulose nanocrystals
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, CO, 80309, USA
    Adv Mater 26:7178-84. 2014
    ..Potential applications include biologically compatible plasmonic composite nanomaterials for solar biofuel production and polarization-sensitive plasmonic papers and fabrics. ..
  23. doi request reprint Fluorescence confocal polarizing microscopy of a fluorescent bent-core liquid crystal exhibiting polarization splay modulated (B7) structures and defects
    Rajdeep Deb
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, CO 80309 USA Department of Chemistry, Assam University, Silchar 788011 India Current address JRE Group of Institutions, UP 201308 India
    Chemphyschem 16:243-55. 2015
    ..Comparative textural analysis of the B7 structures obtained using different types of imaging and the corresponding structural models are discussed. ..
  24. pmc Nematic liquid crystal boojums with handles on colloidal handlebodies
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, CO 80309, USA
    Proc Natl Acad Sci U S A 110:9231-6. 2013
    ....
  25. doi request reprint Topological colloids
    Bohdan Senyuk
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Nature 493:200-5. 2013
    ..Our findings lay the groundwork for new applications of colloids and liquid crystals that range from topological memory devices, through new types of self-assembly, to the experimental study of low-dimensional topology...
  26. doi request reprint Self-alignment of plasmonic gold nanorods in reconfigurable anisotropic fluids for tunable bulk metamaterial applications
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Nano Lett 10:1347-53. 2010
    ....
  27. pmc Reconfigurable interactions and three-dimensional patterning of colloidal particles and defects in lamellar soft media
    Rahul P Trivedi
    Department of Physics, University of Colorado, Boulder, CO 80309
    Proc Natl Acad Sci U S A 109:4744-9. 2012
    ..This defect-colloidal sculpturing may be extended to other lamellar media, providing the means for optically guided self-assembly of mesoscopic composites with predesigned properties...
  28. ncbi request reprint Structure and dynamics of liquid crystalline pattern formation in drying droplets of DNA
    Ivan I Smalyukh
    Department of Physics, University of Illinois at Urbana Champaign, 61801, USA
    Phys Rev Lett 96:177801. 2006
    ..We examine the phenomenon in terms of a simple model based on LC elasticity...
  29. ncbi request reprint Self-alignment of dye molecules in micelles and lamellae for three-dimensional imaging of lyotropic liquid crystals
    Qingkun Liu
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Langmuir 27:7446-52. 2011
    ....
  30. pmc Linked topological colloids in a nematic host
    Angel Martinez
    Department of Physics, University of Colorado Boulder, Boulder, CO 80309 Theory of Inhomogeneous Condensed Matte, Liquid Crystal Materials Research Center, University of Colorado Boulder, Boulder, CO 80309
    Proc Natl Acad Sci U S A 112:4546-51. 2015
    ....
  31. pmc Self-assembly and electrostriction of arrays and chains of hopfion particles in chiral liquid crystals
    Paul J Ackerman
    1 Department of Physics, University of Colorado, Boulder, Colorado 80309, USA 2 Department of Electrical, Computer and Energy Engineering, University of Colorado, Boulder, Colorado 80309, USA
    Nat Commun 6:6012. 2015
    ....
  32. doi request reprint Optical manipulation of self-aligned graphene flakes in liquid crystals
    Christopher W Twombly
    Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Opt Express 21:1324-34. 2013
    ....
  33. ncbi request reprint Optical generation of crystalline, quasicrystalline, and arbitrary arrays of torons in confined cholesteric liquid crystals for patterning of optical vortices in laser beams
    Paul J Ackerman
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 86:021703. 2012
    ..The results of computer simulations of optical images, diffraction patterns, and phase distributions with optical vortices are in a good agreement with the corresponding experimental findings...
  34. doi request reprint Multimodal nonlinear optical polarizing microscopy of long-range molecular order in liquid crystals
    Taewoo Lee
    Department of Physics, Liquid Crystal Materials Research Center, and Renewable and Sustainable Energy Institute, University of Colorado, Boulder, Colorado 80309, USA
    Opt Lett 35:3447-9. 2010
    ..We show the viability of this technique for mapping of three-dimensional patterns of molecular orientations and show that images obtained in different microscopy modes are consistent with each other...
  35. ncbi request reprint Geometrically unrestricted, topologically constrained control of liquid crystal defects using simultaneous holonomic magnetic and holographic optical manipulation
    Michael C M Varney
    Department of Physics, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 89:022505. 2014
    ....
  36. ncbi request reprint Topological polymer dispersed liquid crystals with bulk nematic defect lines pinned to handlebody surfaces
    Michael G Campbell
    Department of Physics, University of Colorado, Boulder, Colorado 80309, USA and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Phys Rev Lett 112:197801. 2014
    ....
  37. doi request reprint Electrically and optically tunable plasmonic guest-host liquid crystals with long-range ordered nanoparticles
    Qingkun Liu
    Department of Physics and Department of Electrical, Computer, and Energy Engineering, Materials Science and Engineering Program, and Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, United States
    Nano Lett 14:4071-7. 2014
    ..This facile control of mesostructured plasmonic medium's optical properties in visible and infrared spectral ranges is of interest for many applications. ..
  38. ncbi request reprint Rotational and translational diffusion of anisotropic gold nanoparticles in liquid crystals controlled by varying surface anchoring
    Bohdan Senyuk
    Department of Physics, University of Colorado at Boulder, Boulder, Colorado 80309, USA
    Phys Rev E Stat Nonlin Soft Matter Phys 88:062507. 2013
    ..We also show that surface functionalization of NPs with photosensitive azobenzene groups allows for in situ control of their diffusivity through trans-cis isomerization that changes surface anchoring. ..
  39. doi request reprint Mutually tangled colloidal knots and induced defect loops in nematic fields
    Angel Martinez
    1 Department of Physics, University of Colorado, Boulder, Colorado 80309, USA 2 Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
    Nat Mater 13:258-63. 2014
    ....
  40. doi request reprint Plasmon-enhanced energy transfer for improved upconversion of infrared radiation in doped-lanthanide nanocrystals
    Qi C Sun
    Department of Chemical and Biological Engineering, Department of Physics, Materials Science and Engineering, and Renewable and Sustainable Energy Institute RASEI, University of Colorado Boulder, Boulder, Colorado 80309, United States
    Nano Lett 14:101-6. 2014
    ..This strong Coulombic effect on energy transfer can have important implications for other fluorescent and excitonic systems too. ..
  41. pmc Large-area optoelastic manipulation of colloidal particles in liquid crystals using photoresponsive molecular surface monolayers
    Angel Martinez
    Department of Physics, University of Colorado, Boulder, CO 80309, USA
    Proc Natl Acad Sci U S A 108:20891-6. 2011
    ..We characterize the strength of optically guided elastic forces and discuss the potential uses of this noncontact manipulation in fabrication of novel optically- and electrically-tunable composites from liquid crystals and colloids...
  42. ncbi request reprint Healing of defects at the interface of nematic liquid crystals and structured Langmuir-Blodgett monolayers
    Núria Petit-Garrido
    SOC and SAM Group, IN2UB, and Departament de Quimica Fisica, Universitat de Barcelona, Marti i Franques 1, 08028 Barcelona, Catalonia, Spain
    Phys Rev Lett 107:177801. 2011
    ..These two defect configurations can be selected by varying sample preparation given their comparable free energy, consistently with direct probing by use of laser tweezers...