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• Ultrafast semiconducting to metallic terahertz responses in the topological insulator Bi₂Se₃

  Lee, S., Sim, S., Moon, J., Cha, S., Shin, H. S., Park, S., Jang, W., Son, M., Jung, H., Seo, S. Y., Soon, A., Ham, M. H., Lee, H., Jo, M. H., Oh, S. & Choi, H., 2018, CLEO: QELS_Fundamental Science, CLEO_QELS 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F93-CLEO_QELS 2018).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast Semiconducting to Metallic Terahertz Responses in the Topological Insulator Bi₂Se₃

  Lee, S., Sim, S., Moon, J., Cha, S., Shin, H. S., Park, S., Jang, W., Son, M., Jung, H., Seo, S. Y., Soon, A., Ham, M. H., Lee, H., Jo, M. H., Oh, S. & Choi, H., 2018 Aug 6, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8426429. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultra-fast shock-wave combustion synthesis of nanostructured silicon from sand with excellent Li storage performance

  Kamali, A. R., Haghighat-Shishavan, S., Nazarian-Samani, M., Rezaei, A. & Kim, K. B., 2019, In: Sustainable Energy and Fuels. 3, 6, p. 1396-1405 10 p.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Ultrafast single-droplet bouncing actuator with electrostatic force on superhydrophobic electrodes

  Lee, S., Lee, S., Hwang, H., Hong, J., Lee, S., Lee, J., Chae, Y. & Lee, T., 2016, In: RSC Advances. 6, 71, p. 66729-66737 9 p.

  Research output: Contribution to journal › Article › peer-review
  19 Citations (Scopus)

• Ultrafast soft X-ray spectroscopy of spin-crossover dynamics in solvated transition-metal complexes

  Huse, N., Cho, H. N., Kim, T. K., Jamula, L., McCusker, J. K. & Schoenlein, R. W., 2009 Jan 1, Laser Science, LS 2009. Optical Society of America, (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast spin-resolved spectroscopy reveals dominant exciton dynamics in conducting polymer polyaniline

  Cha, S., Hong, Y., Yang, J., Maeng, I., Oh, S. J., Jeong, K., Suh, J. S., Haam, S., Huh, Y. M. & Choi, H., 2013 Oct 3, In: Journal of Physical Chemistry C. 117, 39, p. 20371-20375 5 p.

  Research output: Contribution to journal › Article › peer-review
  4 Citations (Scopus)

• Ultrafast spin-state conversion in solvated transition metal complexes probed with femtosecond soft X-ray spectroscopy

  Huse, N., Cho, H., Kim, T. K., Jamula, L., McCusker, J. K., Groot, F. M. F. D. & Schoenlein, R. W., 2010, International Conference on Ultrafast Phenomena, UP 2010. (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast Symmetry-Breaking Charge Separation in a Perylene Bisimide Dimer Enabled by Vibronic Coupling and Breakdown of Adiabaticity

  Hong, Y., Schlosser, F., Kim, W., Würthner, F. & Kim, D., 2022 Aug 31, In: Journal of the American Chemical Society. 144, 34, p. 15539-15548 10 p.

  Research output: Contribution to journal › Article › peer-review
  2 Citations (Scopus)

• Ultrafast terahertz dynamics and broadband optical conductivity of few-layer epitaxial graphene

  Choi, H., Borondics, F., Siegel, D. A., Zhou, S., Martin, M. C., Lanzara, A. & Kaindl, R. A., 2010, Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010. 5500677. (Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast terahertz dynamics and broadband optical conductivity of few-layer epitaxial graphene

  Choi, H., Borondics, F., Siegel, D. A., Zhou, S., Martin, M. C., Lanzara, A. & Kaindl, R. A., 2010 Dec 1, Conference on Lasers and Electro-Optics, CLEO 2010. (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast terahertz dynamics of hot Dirac-electron surface scattering in the topological insulator Bi2 Se3

  Sim, S., Brahlek, M., Koirala, N., Cha, S., Oh, S. & Choi, H., 2014 Apr 30, In: Physical Review B - Condensed Matter and Materials Physics. 89, 16, 165137.

  Research output: Contribution to journal › Article › peer-review
  84 Citations (Scopus)

• Ultrafast terahertz spectroscopy of rapid carrier relaxation in graphene oxide

  Kim, J., Oh, J., In, C., Lee, Y. S., Norris, T. B., Jun, S. C. & Choi, H., 2014 Jan 1, 19th International Conference on Ultrafast Phenomena, UP 2014. Optical Society of American (OSA), (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast terahertz spectroscopy of the inverse giant piezoresistance effect in silicon nanomembranes

  Kim, J., Jang, H., Kim, M. S., Cho, J. H., Ahn, J. H. & Choi, H., 2015 Aug 10, 2015 Conference on Lasers and Electro-Optics, CLEO 2015. Institute of Electrical and Electronics Engineers Inc., 7183343. (Conference on Lasers and Electro-Optics Europe - Technical Digest; vol. 2015-August).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast terahertz spectroscopy of the inverse giant piezoresistance effect in silicon nanomembranes

  Kim, J., Jang, H., Kim, M. S., Cho, J. H., Ahn, J. H. & Choi, H., 2015 May 4, CLEO: QELS - Fundamental Science, CLEO_QELS 2015. Optical Society of America, p. 1551p (CLEO: QELS - Fundamental Science, CLEO_QELS 2015).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast terahertz studies of dirac fermion dynamics in graphene

  Choi, H., Borondics, F., Siegel, D. A., Zhou, S., Martin, M. C., Lanzara, A. & Kaindl, R. A., 2009, 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009. 5324954. (34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
  1 Citation (Scopus)

• Ultrafast THz response of few-layer epitaxial graphene

  Choi, H., Borondics, F., Siegel, D. A., Zhou, S., Martin, M. C., Lanzara, A. & Kaindl, R. A., 2010, International Conference on Ultrafast Phenomena, UP 2010. (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast time-resolved photocurrent measurement of carrier escape dynamics in anisotropic ReS₂

  Bae, H., Sim, S., Kim, T., Lee, D., Kim, D. H., Kim, G., Shim, W., Jo, M. H. & Choi, H., 2018 Aug 6, 2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8427390. (2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast time-resolved photocurrent measurement of carrier escape dynamics in anisotropic ReS2

  Bae, H., Sim, S., Kim, T., Lee, D., Kim, D. H., Kim, G., Shim, W., Jo, M. H. & Choi, H., 2018, CLEO: Applications and Technology, CLEO_AT 2018. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F92-CLEO_AT 2018).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast transient dynamics of Zn(II) porphyrins: Observation of vibrational coherence by controlling chirp of femtosecond pulses

  Yoon, M. C., Jeong, D. H., Cho, S., Kim, D., Rhee, H. & Joo, T., 2003 Jan 1, In: Journal of Chemical Physics. 118, 1, p. 164-171 8 p.

  Research output: Contribution to journal › Article › peer-review
  59 Citations (Scopus)

• Ultrafast vibrational relaxation and ligand photodissociation/photoassociation processes of nickel(II) porphyrins in condensed phase

  Eom, H. S., Jeoung, S. C., Kim, C. M. & Kim, D., 1996, In: Springer Series in Chemical Physics. 62, p. 245-246 2 p.

  Research output: Contribution to journal › Article › peer-review

• Ultrafast vibrational relaxation and ligand photodissociation/photoassociation processes of nickel(II) porphyrins in the condensed phase

  Eom, H. S., Jeoung, S. C., Kim, D., Ha, J. H. & Kim, Y. R., 1997 May 15, In: Journal of Physical Chemistry A. 101, 20, p. 3661-3669 9 p.

  Research output: Contribution to journal › Article › peer-review
  91 Citations (Scopus)

• Ultrafast video imaging of cell division from zebrafish egg using multimodal microscopic system

  Lee, S. H., Jang, B., Kim, D. H., Park, C. H., Bae, G., Park, S. W. & Park, S. H., 2017, International Conference on Nano-Bio Sensing, Imaging, and Spectroscopy 2017. Choo, J. & Park, S-H. (eds.). SPIE, 103240B. (Progress in Biomedical Optics and Imaging - Proceedings of SPIE; vol. 10324).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrafast X-ray diffraction of photodissociation of iodoform in solution

  Lee, J. H., Kim, T. K., Kim, J., Lorenc, M., Kong, Q., Wulff, M. & Ihee, H., 2007, SYNCHROTRON RADIATION INSTRUMENTATION: Ninth International Conference on Synchrotron Radiation Instrumentation. p. 1262-1268 7 p. (AIP Conference Proceedings; vol. 879).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
  1 Citation (Scopus)

• Ultrafast zero balance of the oscillator-strength sum rule in graphene

  Kim, J., Lim, S. C., Chae, S. J., Maeng, I., Choi, Y., Cha, S., Lee, Y. H. & Choi, H., 2013, In: Scientific reports. 3, 2663.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  8 Citations (Scopus)

• Ultrafiltration membranes based on hybrids of an amphiphilic graft copolymer and titanium isopropoxide

  Park, M. S., Park, B. J., Kim, N. U., Park, J. T. & Kim, J. H., 2018 Mar 20, In: Journal of Applied Polymer Science. 135, 12, 45932.

  Research output: Contribution to journal › Article › peer-review
  6 Citations (Scopus)

• Ultrafiltration of desizing wastewater containing pva in bench scale test

  Lee, S. W., Haam, S. J., Kwak, J. W., Jang, J. H. & Lee, Y. C., 1999 Mar 1, In: Environmental Technology (United Kingdom). 20, 3, p. 277-283 7 p.

  Research output: Contribution to journal › Article › peer-review
  14 Citations (Scopus)

• Ultrafine grained dual phase steel fabricated by equal channel angular pressing and subsequent intercritical annealing

  Park, K. T., Han, S. Y., Ahn, B. D., Shin, D. H., Lee, Y. K. & Um, K. K., 2004 Nov, In: Scripta Materialia. 51, 9, p. 909-913 5 p.

  Research output: Contribution to journal › Article › peer-review
  82 Citations (Scopus)

• Ultrafine grained ferrite-martensite dual phase steels fabricated via equal channel angular pressing: Microstructure and tensile properties

  Son, Y. I., Lee, Y. K., Park, K. T., Lee, C. S. & Shin, D. H., 2005 Jun, In: Acta Materialia. 53, 11, p. 3125-3134 10 p.

  Research output: Contribution to journal › Article › peer-review
  281 Citations (Scopus)

• Ultrafine grained low carbon steels fabricated by equal channel angular pressing: Microstructures and tensile properties

  Shin, D. H., Park, J. J., Chang, S. Y., Lee, Y. K. & Park, K. T., 2002, In: ISIJ International. 42, 12 SPEC., p. 1490-1496 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  46 Citations (Scopus)

• Ultrafine particle characteristics in a rubber manufacturing factory

  Kim, B., Lee, J. S., Choi, B. S., Park, S. Y., Yoon, J. H. & Kim, H., 2013 Jul, In: Annals of Occupational Hygiene. 57, 6, p. 728-739 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  32 Citations (Scopus)

• Ultrafine particle counter using a MEMS-based particle processing chip

  Kim, H. L., Han, J. S., Lee, S. M., Kwon, H. B., Hwang, J. & Kim, Y. J., 2015 Feb 26, 2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015. February ed. Institute of Electrical and Electronics Engineers Inc., p. 559-562 4 p. 7051016. (Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS); vol. 2015-February, no. February).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
  7 Citations (Scopus)

• Ultrafine particles: 3 Years of measurements in the NIST test house

  Wallace, L., Persily, A., Emmerich, S., Rim, D., Chi, H. P., Howard-Reed, C., Fang, W., Green, M. & Choi, J. I., 2011, 12th International Conference on Indoor Air Quality and Climate 2011. p. 859-864 6 p. (12th International Conference on Indoor Air Quality and Climate 2011; vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultra-flattened dispersion and high nonlinearity in a square lattice photonic crystal fiber

  Park, J., Kim, J., Lee, S., Kim, S. & Oh, K., 2010, Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010. p. 340-341 2 p. 5588560. (Technical Digest - 15th OptoElectronics and Communications Conference, OECC2010).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
  3 Citations (Scopus)

• Ultrahigh areal number density solid-state on-chip microsupercapacitors via electrohydrodynamic jet printing

  Lee, K. H., Lee, S. S., Ahn, D. B., Lee, J., Byun, D. & Lee, S. Y., 2020, In: Science Advances. 6, 10, eaaz1692.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  59 Citations (Scopus)

• Ultrahigh B doping during Si(001) gas-source molecular-beam epitaxy: B incorporation, electrical activation, and hole transport

  Glass, G., Kim, H., Desjardins, P., Taylor, N., Spila, T., Lu, Q. & Greene, J., 2000, In: Physical Review B - Condensed Matter and Materials Physics. 61, 11, p. 7628-7644 17 p.

  Research output: Contribution to journal › Article › peer-review
  37 Citations (Scopus)

• Ultrahigh birefringence of elliptic core fibers with irregular air holes

  Kim, S., Kee, C. S., Lee, J., Jung, Y., Choi, H. G. & Oh, K., 2007, In: Journal of Applied Physics. 102, 1, 016101.

  Research output: Contribution to journal › Article › peer-review
  25 Citations (Scopus)

• Ultrahigh birefringent elliptic core holey fibers

  Kim, S., Kee, C. S., Ko, D. K., Lee, J., Jung, Y., Choi, H. G. & Oh, K., 2007, Conference on Lasers and Electro-Optics/Pacific Rim, CLEOPR 2007. Optical Society of America, (Optics InfoBase Conference Papers).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrahigh birefringent elliptic core holey fibers

  Kim, S., Kee, C. S., Ko, D. K., Lee, J., Jung, Y., Choi, H. G. & Oh, K., 2007, 2007 Conference on Lasers and Electro-Optics - Pacific Rim, CLEO/PACIFIC RIM. 4391644. (Pacific Rim Conference on Lasers and Electro-Optics, CLEO - Technical Digest).

  Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

• Ultrahigh density arrays of toroidal ZnO nanostructures by one-step cooperative self-assembly processes: Mechanism of structural evolution and hybridization with au nanoparticles

  Jang, Y. H., Yang, S. Y., Jang, Y. J., Park, C., Kim, J. K. & Kim, D. H., 2011 Feb 11, In: Chemistry - A European Journal. 17, 7, p. 2068-2076 9 p.

  Research output: Contribution to journal › Article › peer-review
  9 Citations (Scopus)

• Ultrahigh Electrocatalytic Conversion of Methane at Room Temperature

  Ma, M., Jin, B. J., Li, P., Jung, M. S., Kim, J. I., Cho, Y., Kim, S., Moon, J. H. & Park, J. H., 2017 Dec, In: Advanced Science. 4, 12, 1700379.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  48 Citations (Scopus)

• Ultrahigh-energy-density lithium-ion batteries based on a high-capacity anode and a high-voltage cathode with an electroconductive nanoparticle shell

  Lee, J. I., Lee, E. H., Park, J. H., Park, S. & Lee, S. Y., 2014 Jun 3, In: Advanced Energy Materials. 4, 8, 1301542.

  Research output: Contribution to journal › Article › peer-review
  42 Citations (Scopus)

• Ultra-highly doped Si_1-xGe_x(001):B gas-source molecular-beam epitaxy: Boron surface segregation and its effect on film growth kinetics

  Kim, H., Glass, G., Desjardins, P. & Greene, J. E., 2001 Jan 1, In: Journal of Applied Physics. 89, 1, p. 194-205 12 p.

  Research output: Contribution to journal › Article › peer-review
  9 Citations (Scopus)

• Ultra-high modulation depth exceeding 2,400% in optically controlled topological surface plasmons

  Sim, S., Jang, H., Koirala, N., Brahlek, M., Moon, J., Sung, J. H., Park, J., Cha, S., Oh, S., Jo, M. H., Ahn, J-H. & Choi, H., 2015 Oct 30, In: Nature Communications. 8814.

  Research output: Contribution to journal › Article › peer-review

  71 Citations (Scopus)

• Ultrahigh performance supercapacitors utilizing core-shell nanoarchitectures from a metal-organic framework-derived nanoporous carbon and a conducting polymer

  Salunkhe, R. R., Tang, J., Kobayashi, N., Kim, J., Ide, Y., Tominaka, S., Kim, J. H. & Yamauchi, Y., 2016, In: Chemical Science. 7, 9, p. 5704-5713 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  213 Citations (Scopus)

• Ultrahigh selective etching of Si₃ N₄ films over Si O₂ films for silicon nitride gate spacer etching

  Lee, S., Oh, J., Lee, K. & Sohn, H., 2010, In: Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 28, 1, p. 131-137 7 p.

  Research output: Contribution to journal › Article › peer-review
  22 Citations (Scopus)

• Ultra-high-speed optical coherence tomography with a stretched pulse supercontinuum source

  Moon, S. & Kim, D. Y., 2006 Nov, In: Optics Express. 14, 24, p. 11575-11584 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  169 Citations (Scopus)

• Ultra-high-speed phase-sensitive optical coherence reflectometer with a stretched pulse supercontinuum source

  Song, H., Cho, S. B., Kim, D. U., Jeong, S. & Kim, D. Y., 2011 Jul 20, In: Applied Optics. 50, 21, p. 4000-4004 5 p.

  Research output: Contribution to journal › Article › peer-review
  4 Citations (Scopus)

• Ultrahigh surface area three-dimensional porous graphitic carbon from conjugated polymeric molecular framework

  To, J. W. F., Chen, Z., Yao, H., He, J., Kim, K., Chou, H. H., Pan, L., Wilcox, J., Cui, Y. & Bao, Z., 2015 May 27, In: ACS Central Science. 1, 2, p. 68-76 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  187 Citations (Scopus)

• Ultra-Lightweight, Flexible InGaP/GaAs Tandem Solar Cells with a Dual-Function Encapsulation Layer

  Kim, T. S., Kim, H. J., Geum, D. M., Han, J. H., Kim, I. S., Hong, N., Ryu, G. H., Kang, J. H., Choi, W. J. & Yu, K. J., 2021 Mar 24, In: ACS Applied Materials and Interfaces. 13, 11, p. 13248-13253 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  17 Citations (Scopus)

• Ultralightweight Strain-Responsive 3D Graphene Network

  Ho, D. H., Jun, H. M., Yeo, S. J., Hong, P., Oh, M. J., Weon, B. M., Lee, W. B., Kwon, S. J., Yoo, P. J. & Cho, J. H., 2019 Apr 18, In: Journal of Physical Chemistry C. 123, 15, p. 9884-9893 10 p.

  Research output: Contribution to journal › Article › peer-review
  4 Citations (Scopus)