비쥬얼 이미지

논문

고재현
  • 연구실 - 공학관 2층 1243호
  • 연락처 - 033-248-2056
  • 이메일 - hwangko@hallym.ac.kr

논문 및 저서(2015 ~ 2018)

    - Jae-Hyeon Ko*, Seonhyeop Shin, Moongyu Jang, Choong Jae Won, Namjung Hur, “Effects of oxygen deficiency on the acoustic anomalies and phase transition behaviors of barium titanate single crystals,” Curr. Appl. Phys. Vol.18 pp.44-49 (2018).

    - Jung-Taek Hong, Jae-Hyeon Ko*, and Tae Hyun Kim, “Glass Transition Process of Amorphous Quinidine Studied by Brillouin Light Scattering,” J. Korean Phys. Soc. Vol.72 pp.522-526 (2018).

    - Jung-Taek Hong, Byoung Wan Lee, Jae-Hyeon Ko*, Irena Jankowska-Sumara, Maria Podgórna, Andrzej Majchrowski, “Effect of Sn substitution on the elastic anomalies and phase transition behaviors of antiferroelectric PbHfO3 single crystals studied by Brillouin scattering,” Curr. Appl. Phys. Vol.18 pp.642-647 (2018).

    - Byoung Wan Lee, Soo Han Oh, Jae-Hyeon Ko *, Xiaobing Li, Haosu Luo, “Acoustic Anomalies and Phase Transition Behaviors of Lead-free Piezoelectric (Na1/2Bi1/2)TiO3-xBaTiO3 Single Crystals as Revealed by Brillouin Light Scattering,” Materials Vol.11 p.1000 (2018).

    - G. Shabbir, J.-H. Ko*, S. Kojima, “High-Temperature Dielectric Anomalies of the Relaxor Ferroelectric Strontium-Barium-Niobate Single Crystals,” accepted for publication in J. Korean Phys. Soc.

    - J.-T. Hong, B. W. Lee, S. H. Oh, J.-H. Ko*, H. Lee, C. Lee, D. Kim, “Monitoring of Film Qualities of Amorphous SiO2 films/Si(100) Substrates by Measuring Bulk and Surface Acoustic Waves in Terms of Brillouin Spectroscopy,” accepted for publication in J. Korean Phys. Soc.

    - Shinae Hwang, Seongjae Lee, Jae-Hyeon Ko, and Moongyu Jang*, “Highly ordered microscale pyramidal structure arrayed silicon membranes for filter applications,” accepted for publication in Journal of Nanoscience and Nanotechnology, Vol.18, p.6270 (2018).

    - Rim, Young Hoon, Kim, Mac, Ko, Jae-Hyeon, Yang, Yong Suk, “Influence of ionic radius of alkaline-earth metals in ion conducting 2(Ca, Sr, Ba)O-2TiO2-SiO2 glasses,” Journal of Non-crystalline Solids, Vol.500 pp.336-344 (2018).

    - Dariusz Kajewski; Paweł Zajdel; Rafał Sitko; Iwona Lazar; Annette Bussmann-Holder; Jae-Hyeon Ko; Krystian Roleder, “Defect induced lattice instabilities and competing interactions in niobium doped lead zirconate single crystals,” Journal of Alloys and Compounds. Vol.739 pp.499-503 (2018).

    - Ji Soo Park, Jae-Hyeon Ko, Jong Wan Lee, “FDTD Simulation Study of the Effect of a Fractal-like Microlens Arrays on the Outcoupling Efficiency of Organic Light Emitting Diodes,” accepted for publication in Journal of Nanoscience and Nanotechnology.

    - Annette Bussmann-Holder, Krystian Roleder, Jae-Hyeon Ko, “What makes the difference in perovskite titanates?,” Journal of Physics and Chemistry of Solids. Vol.117 pp.148-157 (2018).

    - Geon Woo Kim, Jae-Hyeon Ko, Seong Soo Choi, Hyun Tae Kim, Doo Jae Park, Soo Bong Choi, “Surface-plasmon assited Transmission through Ultrasmall Nanohole of ~10 nm with Bull’s Eye Groove,” submitted to Current Optics and Photonics.

    - Jankowska-Sumara, Irena; Hong, Jung-Taek ; Lee, Byoung Wan ; Ko, Jae-Hyeon; Podgórna, Maria; Majchrowski, Andrzej, “High-pressure phase transitions in PbHf0.975Sn0.025O3 studied by Raman scattering,” submitted to Journal of Physics: Condensed Matter

    - Hyeseon Shin, Il-Ki Han, Jae-Hyeon Ko, and Moongyu Jang, “Hole mobility characteristics with surface roughness on silicon-on-insulator substrate,” accepted for publication in Journal of Nanoscience and Nanotechnology, Vol. 18, p.6017 (2018).

    - So-Yeon Jeon, Hyuna Lim, Donggeun Jung, Jae Hyeon Ko, Maeng-Jae Seong, Jin-Young Kim, and SeGi Yue, “Chlorobenzene-Treated Carbon Nanotubes in a Dielectric Layer and Their Impact on Inorganic Electroluminescence,” submitted to Carbon.

    - J. Park, T. Yoo, J. Lee, C. H. Park, J.-H. Ko, and M. Jang, “Analysis of Temperature and Impedance Characteristics in Gelatin methacryloyl Hydrogel Crosslinking Process,” New Physics: SaeMulli (in press).

    - Jae-Hyeon Ko*, “Study on Elastic Properties and Phase Transition Behavior of Condensed Matters by Using Brillouin Light Scattering Spectroscopy,” in New Phys.: Sae Mulli. Vol.68, pp.1-19 (2018).

    - Jung-Gyun Lee, Junhee Park, and Jae-Hyeon Ko*, “Realization of Specific Illuminance Distributions of OLED Lightings by Using Inverted Microlens Films,” J. Inf. Disp. Vol.19, pp.121-127 (2018).

    - Jung-Taek Hong, Jae-Hyeon Ko*, “Study on the effects of ultraviolet light and temperature on optical films for display backlights,” accepted for publication in New Physics: SaeMulli (in press).

    - (Book Chapter) Insun Hwang, Jae-Hyeon Ko, “Chapter 6. LCD Backlights,” in Flat Panel Display Manufacturing edited by J. Souk, S. Morozumi, F.-C. Luo and I. Bita (John Wiley & Sons, HB ISBN: 9781119161349) pp.87-113.

    - Byung-Yun Joo, and Jae-Hyeon Ko*, “Optimization of Ultra-thin Backlight Unit by Using a Tapered Light Guide Film Studied by Optical Simulation,” Current Optics and Photonics, Vol.1, no.2 pp.101-106 (2017).

    - Ghulam Shabbir, and Jae-Hyeon Ko*, “Temperature and Electric Field-Induced Phase Transitions in (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 Single Crystals,” J. Korean Phys. Soc. Vol.70, pp.523-527 (2017).

    - Soo Han Oh, Byoung Wan Lee, Jae-Hyeon Ko*, Hyeonju Lee, Jaehoon Park, Young Ho Ko and Kwang Joo Kim, “Temperature and molecular-weight dependences of acoustic behaviors of polystyrene studied by Brillouin spectroscopy,” J. Korean Phys. Soc., Vol.70, No.8, pp.791-795 (2017).

    - Byoung Wan Lee, Min-Seok Jeong, Jong Sun Choi, Jaehoon Park, Young Ho Ko, Kwang Joo Kim, Jae-Hyeon Ko*, “Pressure and molecular-weight dependence of elastic properties of polystyrene polymers studied by Brillouin spectroscopy,” Curr. Appl. Phys. Vol.17, pp.1396-1400 (2017).

    - Jeong Woo Lee, Byoung Wan Lee, Yeung Kyu Yeon, Ok Joo Lee, Chan Hum Park, JaehoonPark, Jae-Hyeon Ko*, “Effect of crystallinity on acoustic behaviors of biocompatible silk studied by Brillouin spectroscopy,” J. Korean Phys. Soc. Vol.71, pp.144-149 (2017).

    - Ghulam Shabbir, Seiji Kojima, and Jae-Hyeon Ko*, “Field-induced Dielectric Anomalies and Aging Behavior in (1-x)Pb(Mg1/3Nb2/3)O3-xPbTiO3 Single Crystals with x = 0.33,” J. Korean Phys. Soc. Vol.71, pp.974-978 (2017).

    - Tae Hyun Kim, Hyojong Yoo and Jae-Hyeon Ko*, “Acoustic Anomalies and Fast Relaxation Dynamics of Amorphous Progesterone as Revealed by Brillouin Light Scattering,” Materials. Vol.10, p.1426 (2017).

    - M. Kim, Y. H. Rim, C. H. Song, J.-H. Ko, M. Y. Jeong, and Y. Yang*, “Influence of heat treatment for electrical response and a Raman spectroscopic investigation in CaTiO3-xSiO2 glasses,” Journal of Alloys and Compounds. Vol.693, pp.760-766 (2017).

    - Y. H. Ko*, M. Ahart, J.-H. Ko, and J. Song, “Investigation of polymorphism for amorphous and semi-crystalline poly (-ethylene terephthalate-) using high-pressure Brillouin spectroscopy” J. Korean Phys. Soc. Vol.70, pp.382-388 (2017).

    - N. T. Minh Hien et al., “Two-Magnon Scattering in 5d All-In‒All-Out Pyrochlore Magnet Cd2Os2O7,” Nature Communications. Vol.8, 251 (2017).

    - Irena Jankowska-Sumara, Jae-Hyeon Ko, Maria Podgórna, Soo Han Oh; Andrzej Majchrowski , “Micro-Raman scattering and dielectric investigations of phase transitions behavior in the PbHf0.7Sn0.3O3 single crystal,” J. Appl. Phys. Vol.122, 104104 (2017).

    - Hien Duy Mai, Van Cam Thi Le, Thu Minh Thi Pham, Jae-Hyeon Ko, and Hyojong Yoo, “Controllable Synthesis and Structural Analysis of Nanohybrids with Gold Multipod Nanoparticles Core and ZIF-67 Shell (GMN@ ZIF-67),” ChemNanoMat. Vol.3, pp.857-862 (2017).

    - Bong Jin Cho, Ji Soo Park, Jung Min Hwang and Jae-Hyeon Ko, “Suppression of reflection peaks caused by moth-eye-type nanostructures for antireflection applications studied by using FDTD simulation,” J. Inf. Disp. Vol.18, pp.137-144 (2017).

    - Soo Han Oh, Tae Kyun Yoo, Ho Beom Jeon, Jae-Hyeon Ko*, “Comparative Analysis of Acoustic Properties of Ethanol -Water Mixtures and Alcoholic Drinks Studied by Brillouin Scattering Spectroscopy,” New Phys.: Sae Mulli (새물리) Vol.67, pp.828-833 (2017).

    - Jung-Gyun Lee, Dae-Hun Yoo, Hyeong Hwa Shin, Seong Hoon Sim, Ji Soo Park, and Jae-Hyeon Ko*, “Reshaping Luminance Distribution of OLED Lightings by Using Microlens Array Films,” J. Inf. Disp. Vol.18, pp.177-184 (2017). http://www.tandfonline.com/doi/full/10.1080/15980316.2017.1377124

    - Jeong Woo Lee, Byoung Wan Lee, Jae-Hyeon Ko*, Yeung Kyu Yeon, Ok Joo Lee, Chan Hum Park, Jaehoon Park, “Temperature Dependence of Elastic Properties of Bio Silk Films Crystallized by Water Vapour Environment or Ethanol Exposure,” New Phys.: Sae Mulli (새물리) Vol.67, pp.922-928 (2017).

    - Bong Jin Cho, Jae-Hyeon Ko*, Young Wook Ko, Yongduk Kim, Yong Hwan Yoo, “Simulation Study on the Effects of Shapes of Microlens Arrays on the Outcoupling Efficiency and Luminous Intensity Properties of Organic Light Emitting Diodes,” New Phys.: Sae Mulli (새물리) Vol.67, pp.1138-1144 (2017).

    - Geon-Woo Park, Sung-Jun Lee, and Jae-Hyeon Ko*, “Comparison of Outcoupling Efficiency between Bottom-emission and Top-emission Organic Light-emitting Diodes Studied by FDTD Simulation,” Journal of Nanoelectronics and Optoelectronics, Vol.11, pp.229-233 (2016).

    - Byoung Wan Lee, Jae-Hyeon Ko*, Xiaobing Li and Haosu Luo, “Phase Transition Behaviors of Lead-Free (Na1/2Bi1/2)TiO3-BaTiO3 Single Crystals Studied by Inelastic Light Scattering Spectroscopy,” Ferroelectrics Vol.490, pp.43-50 (2016) (Proceedings of AMF-AMEC-2014).

    - Min-Hyouk Choi, Hun Jae Lee, Jae-Hyeon Ko*, Do Hyung Kim, Hyung Soo Kim and Young Do Kim, “Improvement of Electro-optic Characteristics of White Light-emitting Diodes by Adopting Transparent Ceramic-based Remote Phosphors,” Science of Advanced Materials, Vol.8, pp.342-348 (2016).

    - Byung-Yun Joo, and Jae-Hyeon Ko*, “Optimization of cutoff shields in projection headlight systems for achieving high intensity gradient and low color separation at the cutoff line,” J. Opt. Soc. Korea. Vol.20, pp.118-124 (2016).

    - Tae Hyun Kim, Seiji Kojima, Jae-Hyeon Ko*, “Anomalies in the Sound Velocities of [011]-oriented Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 Single Crystals Studied by Brillouin Light Scattering,” J. Korean Phys. Soc. Vol.68, pp.1424-1429 (2016).

    - Byoung Wan Lee, Jae-Hyeon Ko*, JaehoonPark, Dong-Myeong Shin, Yoon-Hwae Hwang, “Acoustic and relaxation behaviors of polydimethylsiloxane studied by Brillouin and dielectric spectroscopies,” J. Korean Phys. Soc. Vol.68, pp.896-900 (2016).

    - Byoung Wan Lee, Jae-Hyeon Ko*, Xiaobing Li and Haosu Luo, “Relaxation Dynamics of Lead-Free (Na1/2Bi1/2)TiO3-BaTiO3 Single Crystals Studied by Brillouin Scattering,” Physica B, Vol.498, pp.72-75 (2016).

    - Byoung Wan Lee, Junho Ryeom, Dong Wook Kim, Chan Hum Park, JaehoonPark, Young Ho Ko, Kwang Joo Kim, Jae-Hyeon Ko*, “Pressure and temperature dependences of acoustic behaviors of biocompatible silk studied by Brillouin spectroscopy,” J. Korean Phys. Soc. Vol.69, pp.213~219 (2016).

    - Byoung Wan Lee, Seonhyeop Shin, Min-Seok Jeong, Jae-Hyeon Ko*, Young Ho Ko, Kwang Joo Kim, “Hydrostaticity of Poly(methyl methacrylate) Loaded in a Diamond Anvil Cell for High-Pressure Study,” Curr. Appl. Phys. Vol.16, pp.1571~1575 (2016).

    - Hong Yan, Haiwu Zhang; Hao Deng; Xing Liu; Xiangyong Zhao; Di Lin; Xiaobing Li; Haosu Luo; Jae-Hyeon Ko; Chang Won Ahn, “Enhanced piezoelectric response and thermal stability in (1-x-y)(Na1/2Bi1/2)TiO3-y(K1/2Bi1/2)TiO3-xBaTiO3 ternary ferroelectric single crystals,” Scripta Materialia. Vol.113, pp.43-47 (2016).

    - Young Joon Ko, Dong Yeong Kim, Sung Sik Won, Chang Won Ahn, Ill Won Kim, Seung-Hyun Kim, Jae-Hyeon Ko, Jong Hoon Jung*, “Flexible Pb(Zr0.52Ti0.48)O3 films for a hybrid piezoelectric-pyroelectric nanogenerator under harsh environments,” ACS Applied Materials & Interfaces. Vol.8, pp.6504-6511 (2016).  DOI: 10.1021/acsami.6b00054.

    - Pil Gu Kang, Byung Kil Yun, Seonhyeop Shin, Jae-Hyeon Ko, Dong-Jae Lee, Yun-Sang Lee, Jong Hoon Jung*, “Possible origin of stabilized monoclinic structure of KNbO3 nanomaterials at room temperature,” Materials Science and Engineering B, Vol.210, pp.19-23 (2016).

    - K. Park* et al., "Giant Electroresistance in Edge Metal-Insulator-Metal Tunnel Junctions Induced by Ferroelectric Fringe Fields," Scientific Report, 6:30646 (DOI: 10.1038/srep30646)

    - Irena Jankowska-Sumara et al., “Phase transitions in PbZr0.72Sn0.28O3 single crystals studied by Raman spectroscopy,” Phase Transitions. Vol.89, pp.768-776 (2016).

    - J. W. Ki, T. K. Lee, J. H. Jung, S. Shin, B. W. Lee, and J. –H. Ko, “Coexisted ferroelectric and paraelectric phases in electron beam irradiated P(VDF-TrFE) films,” J. Korean Phys. Soc. Vol.69, pp.1724-1728 (2016).

    - M. Kabeya, T. Mori, Y. Fujii, A. Koreeda, B. W. Lee, J.-H. Ko, and S. Kojima, “Boson peak dynamics of glassy glucose studied by integrated terahertz-band spectroscopy” Phys. Rev. B Vol.94, p.224204 (2016).

    - Soo Han Oh, Bong Jin Cho, Min Seok Jeong and Jae-Hyeon Ko*, “Evaluation of isothermal curing process of UV-cured resin in terms of elasticity studied by micro-Brillouin light scattering,” J. Inf. Disp. VOL. 17, NO. 2, pp.87–91 (2016).

    - 정민석고재현김태현고영호김광주브릴루앙 산란을 이용한 응집물질의 탄성특성의 압력의존성 연구새물리

    - Annette Bussmann-Holder, Tae Hyun Kim, Byoung Wan Lee, Jae-Hyeon Ko*, Andrzej Majchrowski, and Krystian Roleder, “Phase transitions and interrelated instabilities in PbHfO3 single crystals,” J. Phys.: Condens. Matter. Vol.27, p. 105901 (2015).

    - Sunhyub Shin, Jae-Hyeon Ko*, Choong Jae Won, Namjung Hur, “Acoustic Anomalies of Ferroelectric Ba0.79Sr0.21TiO3 Single Crystals Studied by Brillouin Spectroscopy,” J. Korean Phys. Soc. Vol.66, pp.989-993 (2015).

    - Young Ho Ko, Byoung Wan Lee, Kwang Joo, Kim Min-Seok Jeong, and Jae-Hyeon Ko*, “Temperature and Pressure Dependences of Acoustic Anomalies of PET Films Studied by Brillouin Spectroscopy,” J. Korean Phys. Soc. Vol.66, pp.1120-1124 (2015).

    - Sunhyeop Shin, Jae-Hyeon Ko*,Jaehoon Park, Young Ho Ko and Kwang Joo Kim, “Pressure Dependence of Acoustic Anomalies of Polydimethylsiloxane Studied by Brillouin Spectroscopy,” Physica B Vol.466-467, pp.50-53 (2015).

    - Byung-Yun Joo, and Jae-Hyeon Ko*, “Simulation study of injection-molded light guide plates for improving luminance uniformity based on the measured replication quality of micro patterns for LED TV backlight,” J. Opt. Soc. Korea Vol.19, pp.159-154 (2015).

    - Byoung Wan Lee, Jae-Hyeon Ko*, Xiaobing Li and Haosu Luo, “Elastic Properties of Lead-Free (Na1/2Bi1/2)TiO3-BaTiO3 Single Crystals near the Morphotropic Phase Boundary Studied by Brillouin Spectroscopy,” J. Korean Phys. Soc. Vol.66, pp.1350-1354 (2015).

    - Min-Seok Jeong, Jae-Hyeon Ko*, Young Ho Ko and Kwang Joo Kim, “High-pressure Elasticity of Poly(methyl methacrylate) up to 31.5 GPa Studied by Brillouin Spectroscopy,” Curr. Appl. Phys. Vol.15, pp.943-946 (2015).

    - Dong-Myeong Shin, Yoon-Hwae Hwang*, Jae-Hyeon Ko*, Seiji Kojima, “Relaxation behaviors of enantiomorphic S-ibuprofen as revealed by dielectric and photon correlation spectroscopies,” Curr. Appl. Phys. Vol.15, pp.958-963 (2015).

    - J.-H. Ko*, M.-S. Jeong, B. W. Lee, T. H. Kim, I. Jankowska-Sumara, A. Majchrowski, A. Bussmann-Holder, Y. H. Ko, K. J. Kim, A. Soszyński, Krystian Roleder, “Enhanced Polarization Fluctuations in PbZr0.72Sn0.28O3 Compared to PbZrO3 Single Crystals Studied by Brillouin Light Scattering,” Ferroelectrics Vol.479, pp.1-7 (2015).

    - Min-Seok Jeong, Jae-Hyeon Ko*, Young Ho Ko, and Kwang Joo Kim, “High-pressure Acoustic Properties of Glycerol Studied by Brillouin Spectroscopy,” Physica B, Vol.478, pp.27-30 (2015).

    - Sunhyub Shin, Tae Hyun Kim, Jae-Hyeon Ko*, Seiji Kojima, Ki-Soo Lim, Tae-Yeong Koo, “Vibrational Properties of Strontium Barium Niobate Relaxor Single Crystals Studied by Raman Spectroscopy,” Ferroelectrics Vol.488, pp.1-9 (2015).

    - X. Liu, D. Wu, B. Fang, J. Ding. X. Li, X. Zhao, H. Luo, J.-H. Ko, C. W. Ahn, “Aging characteristics of 0.7Pb(Mg1/3Nb2/3)O3–0.3PbTiO3 single crystals with different crystal orientations,” Appl. Phys. A, Vol. 119, Issue 4, pp 1469-1476 (2015).

    - H. B. Jin, Y. Jeon, S. Jung, V. Modepalli, H. S. Kang, B. C. Lee, J.-H. Ko, H.-J. Shin, J.-W. Yoo, S. Y. Kim, S.-Y. Kwon, D. Eom, and K. Park*, “Quality Enhancement of Epitaxial Graphene Grown on C-face Hexagonal SiC Surface with Molybdenum Plate Capping,” Scientific Report. 5:9615 / DOI: 10.1038/srep09615.

    - Byung Kil Yun, Jae Woong Kim, Hyun Soo Kim, Yeon Jin Yi, Min-Seok Jeong, Jae Hyeon Ko, Jong Hoon Jung, “Base-Treated Polydimethylsiloxane Surfaces as Enhanced Triboelectric Nanogenerators, Nano Energy, Vol. 15, pp 523-529 (2015).

    - Hun Jae Lee, Min-Hyouk Choi, and Jae-Hyeon Ko*, “Simulation Study on Improvement of Color Stability of White Light Emitting Diodes by Adopting Remote Phosphor,” New Physics: Sae Mulli, Vol.65, pp. 383-388 (2015).

    - Sunhyub Shin, Jae-Hyeon Ko*, Shinya Tsukada, Yukikuni Akishige, Krystian Roleder, and Daniel Rytz, “INFLUENCE OF KF SUBSTITUTION ON THE FERROELECTRIC PHASE TRANSITION OF LEAD TITANATE SINGLE CRYSTALS STUDIED BY BRILLOUIN LIGHT SCATTERING,” J. Advanced Dielectrics, Vol.5, p. 1550011 (2015).

    - 이성준고재현유전체 다층 거울이 유기발광다이오드의 광효율 향상에 미치는 영향에 관한 광학 시뮬레이션 연구한국광학회지 제 권

    - 이성준고재현마이크로렌즈와 유전체 다층 거울이 유기발광다이오드의 광추출효율 향상에 미치는 영향에 대한 시뮬레이션 연구