Works by Ko, Jae-Hyeon

Results: 47

Influence of KF substitution on the ferroelectric phase transition of lead titanate single crystals studied by Brillouin light scattering.

Published in:

Journal of Advanced Dielectrics, 2015, v. 5, n. 2, p. -1, doi. 10.1142/S2010135X15500113

By:

Shin, Seonhyeop;
Ko, Jae-Hyeon;
Tsukada, Shinya;
Akishige, Yukikuni;
Roleder, Krystian;
Rytz, Daniel

Publication type:

Article

ANISOTROPY OF ELASTIC PROPERTIES AND CENTRAL PEAK BEHAVIORS OF UNIAXIAL STRONTIUM BARIUM NIOBATE RELAXOR SINGLE CRYSTALS.

Published in:

Journal of Advanced Dielectrics, 2011, v. 1, n. 1, p. 91, doi. 10.1142/S2010135X11000124

By:

KO, JAE-HYEON;
KIM, TAE HYUN;
KOJIMA, SEIJI;
LIM, KI-SOO;
KOO, TAE-YEONG

Publication type:

Article

Precursor Phenomena of Barium Titanate Single Crystals Grown Using a Solid-State Single Crystal Growth Method Studied with Inelastic Brillouin Light Scattering and Birefringence Measurements.

Published in:

Molecules, 2018, v. 23, n. 12, p. 3171, doi. 10.3390/molecules23123171

By:

Oh, Soo Han;
Ko, Jae-Hyeon;
Lee, Ho-Yong;
Lazar, Iwona;
Roleder, Krystian;
Gordon, Keith C.

Publication type:

Article

Sintering Aid‐Assisted Growth of 0.95(K0.5Na0.5)NbO3–0.05(Bi0.5Na0.5)(Zr0.85Sn0.15)O3 Single Crystals by the Solid‐State Crystal Growth Method and Their Characterization

Published in:

Physica Status Solidi. A: Applications & Materials Science, 2022, v. 219, n. 20, p. 1, doi. 10.1002/pssa.202100875

By:

Uwiragiye, Eugenie;
Pham, Thuy Linh;
Fisher, John G.;
Lee, Jong Sook;
Lee, Byoung Wan;
Ko, Jae Hyeon;
Kim, Hwang Pill;
Jo, Wook

Publication type:

Article

T* of Relaxor Ferroelectric (1 − x) Pb(Zn1/3Nb2/3)O3‐xPbTiO3 Single Crystals Revisited Using Brillouin Spectroscopy.

Published in:

Physica Status Solidi. A: Applications & Materials Science, 2020, v. 217, n. 12, p. 1, doi. 10.1002/pssa.201900987

By:

Naqvi, Furqan Ul Hassan;
Lee, Jeong Woo;
Ko, Jae-Hyeon;
Chen, Wenzhi;
Bokov, Alexei A.;
Ye, Zuo‐Guang;
Tsukada, Shinya;
Kojima, Seiji

Publication type:

Article

Effect of Sn Addition on Thermodynamic, Dielectric, Optical, and Acoustic Properties of Lead Hafnate.

Published in:

Physica Status Solidi. A: Applications & Materials Science, 2020, v. 217, n. 12, p. 1, doi. 10.1002/pssa.201900958

By:

Piekara, Anna;
Ko, Jae-Hyeon;
Lee, Jeong Woo;
Naqvi, Syed Furqan Ul Hassan;
Jankowska-Sumara, Irena;
Majchrowski, Andrzej;
Zasada, Dariusz;
Chrunik, Maciej;
Podgórna, Maria

Publication type:

Article

Growth of KNbO 3 Single Crystals by the Flux Method Using KBO 2 as a Flux.

Published in:

Inorganics, 2024, v. 12, n. 6, p. 151, doi. 10.3390/inorganics12060151

By:

Doan, Thanh Trung;
Fisher, John G.;
Lee, Jong-Sook;
Tran, Huyen Tran;
Gao, Jie;
Mok, Jungwi;
Lee, Junseong;
Benčan, Andreja;
Dražić, Goran;
Junaid, Syed Bilal;
Ko, Jae-Hyeon

Publication type:

Article

The Effect of Cation Incorporation on the Elastic and Vibrational Properties of Mixed Lead Chloride Perovskite Single Crystals.

Published in:

Inorganics, 2023, v. 11, n. 10, p. 416, doi. 10.3390/inorganics11100416

By:

Junaid, Syed Bilal;
Naqvi, Furqanul Hassan;
Ko, Jae-Hyeon

Publication type:

Article

Halide-Amine Co-Passivated Indium Phosphide Colloidal Quantum Dots in Tetrahedral Shape.

Published in:

Angewandte Chemie International Edition, 2016, v. 55, n. 11, p. 3714, doi. 10.1002/anie.201600289

By:

Kim, Kyungnam;
Tamang, Sudarsan;
Kim, Sungwoo;
Choi, Hyekyoung;
Jeong, Sohee;
Yoo, Dongsuk;
Ko, Jae-Hyeon;
Kim, Yong-Hyun

Publication type:

Article

Redetermination of the monoclinic crystal structure of N-(4-hydroxyphenyl) acetamide as seen by neutrons at 10K, C8H9NO2.

Published in:

Zeitschrift für Kristallographie / New Crystal Structures, 2014, v. 229, n. 1, p. 47, doi. 10.1515/ncrs-2014-0032

By:

Kim, Shin Ae;
Lee, Chang-Hee;
Kim, Tae Hyun;
Ko, Jae-Hyeon

Publication type:

Article

Color Rendering Index over 95 Achieved by Using Light Recycling Process Based on Hybrid Remote-Type Red Quantum-Dot Components Applied to Conventional LED Lighting Devices.

Published in:

Nanomaterials (2079-4991), 2023, v. 13, n. 18, p. 2560, doi. 10.3390/nano13182560

By:

Baek, Eunki;
Kim, Boseong;
Kim, Sohee;
Song, Juyeon;
Yoo, Jaehyeong;
Park, Sung Min;
Lee, Jong-Min;
Ko, Jae-Hyeon

Publication type:

Article

Structural Optimization of Vertically-Stacked White LEDs with a Yellow Phosphor Plate and a Red Quantum-Dot Film.

Published in:

Nanomaterials (2079-4991), 2022, v. 12, n. 16, p. 2846, doi. 10.3390/nano12162846

By:

Hong, Seung Chan;
Ko, Jae-Hyeon

Publication type:

Article

Substantial Improvement of Color-Rendering Properties of Conventional White LEDs Using Remote-Type Red Quantum-Dot Caps.

Published in:

Nanomaterials (2079-4991), 2022, v. 12, n. 7, p. 1097, doi. 10.3390/nano12071097

By:

Lee, Gi Jung;
Hong, Seung Chan;
Lee, Jung-Gyun;
Ko, Jae-Hyeon;
Park, Taehee;
Ko, Young Wook;
Lushnikov, Sergey

Publication type:

Article

Halide-Amine Co-Passivated Indium Phosphide Colloidal Quantum Dots in Tetrahedral Shape.

Published in:

Angewandte Chemie, 2016, v. 128, n. 11, p. 3778, doi. 10.1002/ange.201600289

By:

Kim, Kyungnam;
Yoo, Dongsuk;
Choi, Hyekyoung;
Tamang, Sudarsan;
Ko, Jae‐Hyeon;
Kim, Sungwoo;
Kim, Yong‐Hyun;
Jeong, Sohee

Publication type:

Article

Phase Transition Behaviors of Lead-Free (Na 1/2 Bi 1/2 )TiO 3 -BaTiO 3 Single Crystals Studied by Inelastic Light Scattering Spectroscopy.

Published in:

Ferroelectrics, 2016, v. 490, n. 1, p. 43, doi. 10.1080/00150193.2015.1071631

By:

Lee, Byoung Wan;
Ko, Jae-Hyeon;
Li, Xiaobing;
Luo, Haosu

Publication type:

Article

Vibrational Properties of Strontium Barium Niobate Relaxor Single Crystals Studied by Raman Spectroscopy.

Published in:

Ferroelectrics, 2015, v. 488, n. 1, p. 1, doi. 10.1080/00150193.2015.1071632

By:

Shin, Sunhyeop;
Kim, Tae Hyun;
Ko, Jae-Hyeon;
Kojima, Seiji;
Lim, Ki-Soo;
Koo, Tae-Yeong

Publication type:

Article

Enhanced Polarization Fluctuations in PbZr 0.72 Sn 0.28 O 3 Compared to PbZrO 3 Single Crystals Studied by Brillouin Light Scattering.

Published in:

Ferroelectrics, 2015, v. 479, n. 1, p. 1, doi. 10.1080/00150193.2015.1008372

By:

Ko, Jae-Hyeon;
Jeong, Min-Seok;
Lee, Byoung Wan;
Kim, Tae Hyun;
Jankowska-Sumara, Irena;
Majchrowski, Andrzej;
Bussmann-Holder, Annette;
Ko, Young Ho;
Kim, Kwang Joo;
Soszyński, Andrzej;
Roleder, Krystian

Publication type:

Article

Aging characteristics of 0.7Pb(MgNb)O-0.3PbTiO single crystals with different crystal orientations.

Published in:

Applied Physics A: Materials Science & Processing, 2015, v. 119, n. 4, p. 1469, doi. 10.1007/s00339-015-9121-4

By:

Liu, Xing;
Wu, Dun;
Fang, Bijun;
Ding, Jianning;
Li, Xiaobing;
Zhao, Xiangyong;
Luo, Haosu;
Ko, Jae-Hyeon;
Ahn, Chang

Publication type:

Article

The effect of the reflective property of a reflection film on the performance of backlight units with quantum-dot films for LCD applications.

Published in:

Journal of Information Display, 2021, v. 22, n. 2, p. 55, doi. 10.1080/15980316.2020.1813822

By:

Lee, Gi Jung;
Lee, Jung-Gyun;
Kim, Younduk;
Park, Taehee;
Ko, Young Wook;
Ko, Jae-Hyeon

Publication type:

Article

Optimization of the optical structure of thin direct-lit LED backlights for LCD applications by using micro-LEDs.

Published in:

Journal of Information Display, 2020, v. 21, n. 1, p. 65, doi. 10.1080/15980316.2019.1693436

By:

Lee, Jung-Gyun;
Ko, Jae-Hyeon

Publication type:

Article

Reshaping the luminance distribution of OLED lighting using optical films.

Published in:

Journal of Information Display, 2017, v. 18, n. 4, p. 177, doi. 10.1080/15980316.2017.1377124

By:

Lee, Jung-Gyun;
Yoo, Dae-Hun;
Shin, Hyeong Hwa;
Sim, Seong Hoon;
Park, Ji Soo;
Ko, Jae-Hyeon

Publication type:

Article

Suppression of reflection peaks caused by moth-eye-type nanostructures for antireflection applications studied by using FDTD simulation.

Published in:

Journal of Information Display, 2017, v. 18, n. 3, p. 137, doi. 10.1080/15980316.2017.1325017

By:

Cho, Bong Jin;
Park, Ji Soo;
Hwang, Jung Min;
Ko, Jae-Hyeon

Publication type:

Article

Elastic Properties of Taurine Single Crystals Studied by Brillouin Spectroscopy.

Published in:

International Journal of Molecular Sciences, 2021, v. 22, n. 13, p. 7116, doi. 10.3390/ijms22137116

By:

Kang, Dong Hoon;
Oh, Soo Han;
Ko, Jae-Hyeon;
Lee, Kwang-Sei;
Kojima, Seiji

Publication type:

Article

Lattice dynamics and phase transitions in FAPbBr3 single crystals: Temperature‐ and pressure‐dependent Raman spectroscopy.

Published in:

Journal of Raman Spectroscopy, 2023, v. 54, n. 10, p. 1138, doi. 10.1002/jrs.6589

By:

Naqvi, Furqanul Hassan;
Ko, Jae‐Hyeon

Publication type:

Article

Comparison of Acoustic Properties between Ferroelectric BaTiO 3 and PbTiO 3 Single Crystals.

Published in:

Ferroelectrics, 2011, v. 420, n. 1, p. 66, doi. 10.1080/00150193.2011.594011

By:

Ko, Jae-Hyeon;
Kim, Tae Hyun;
Tsukada, Shinya;
Kojima, Seiji;
Koo, Tae-Yeong

Publication type:

Article

Comparison of Acoustic Behaviors Between the Perovskite and the Tungsten-Bronze Uniaxial Relaxors.

Published in:

Ferroelectrics, 2010, v. 401, n. 1, p. 161, doi. 10.1080/00150191003676272

By:

Ko, Jae-Hyeon;
Kojima, S.

Publication type:

Article

Low-Frequency Central Peaks In Relaxor Ferroelectric PZN-9%PT Single Crystals.

Published in:

Ferroelectrics, 2007, v. 347, n. 1, p. 25, doi. 10.1080/00150190601186916

By:

Ko, Jae-Hyeon;
Kim, Do Han;
Kojima, Seiji

Publication type:

Article

Dielectric Anomalies of (K 0.5 Na 0.5 ) 0.2 (Sr 0.75 Ba 0.25 ) 0.9 Nb 2 O 6 Single Crystals with the Tungsten Bronze Structure.

Published in:

Ferroelectrics, 2003, v. 286, n. 1, p. 61, doi. 10.1080/00150190390206239

By:

Ko, Jae-hyeon;
Kim, Do Han;
Lushnikov, S. G.;
Katiyar, R. S.;
Kojima, Seiji

Publication type:

Article

Field cooling studies on anisotropic glass freezing in mixed crystal dipole glass.

Published in:

Ferroelectrics, 2000, v. 240, n. 1, p. 1523, doi. 10.1080/00150190008227978

By:

Ko, Jae-Hyeon;
Choi, Yun-Seock;
Kim, Jong-Jean

Publication type:

Article

Growth of Single Crystals of (K 1−x Na x)NbO 3 by the Self-Flux Method and Characterization of Their Phase Transitions.

Published in:

Materials (1996-1944), 2024, v. 17, n. 17, p. 4195, doi. 10.3390/ma17174195

By:

Trung, Doan Thanh;
Uwiragiye, Eugenie;
Lan, Tran Thi;
Fisher, John G.;
Lee, Jong-Sook;
Mok, Jungwi;
Lee, Junseong;
Naqvi, Furqan Ul Hassan;
Ko, Jae-Hyeon

Publication type:

Article

The Effect of Cesium Incorporation on the Vibrational and Elastic Properties of Methylammonium Lead Chloride Perovskite Single Crystals.

Published in:

Materials (1996-1944), 2024, v. 17, n. 12, p. 2862, doi. 10.3390/ma17122862

By:

Junaid, Syed Bilal;
Naqvi, Furqanul Hassan;
Ko, Jae-Hyeon

Publication type:

Article

Influence of Halides on Elastic and Vibrational Properties of Mixed-Halide Perovskite Systems Studied by Brillouin and Raman Scattering.

Published in:

Materials (1996-1944), 2023, v. 16, n. 11, p. 3986, doi. 10.3390/ma16113986

By:

Naqvi, Furqanul Hassan;
Junaid, Syed Bilal;
Ko, Jae-Hyeon

Publication type:

Article

Quasielastic Light Scattering in the Broadband Brillouin Spectra of Relaxor Ferroelectric PbMg 1/3 Nb 2/3 O 3.

Published in:

Materials (1996-1944), 2023, v. 16, n. 1, p. 346, doi. 10.3390/ma16010346

By:

Derets, Nikita K.;
Fedoseev, Alexander I.;
Ko, Jae-Hyeon;
Kojima, Seiji;
Lushnikov, Sergey G.

Publication type:

Article

Structural Phase Transitions and Thermal Degradation Process of MAPbCl 3 Single Crystals Studied by Raman and Brillouin Scattering.

Published in:

Materials (1996-1944), 2022, v. 15, n. 22, p. 8151, doi. 10.3390/ma15228151

By:

Naqvi, Furqanul Hassan;
Ko, Jae-Hyeon

Publication type:

Article

Long-Term Isothermal Phase Transformation in Lead Zirconate.

Published in:

Materials (1996-1944), 2022, v. 15, n. 12, p. 4077, doi. 10.3390/ma15124077

By:

Kajewski, Dariusz;
Jankowska-Sumara, Irena;
Ko, Jae-Hyeon;
Lee, Jeong Woo;
Naqvi, Syed Furqan Ul Hassan;
Sitko, Rafał;
Majchrowski, Andrzej;
Roleder, Krystian

Publication type:

Article

Acoustic Anomalies and the Critical Slowing-Down Behavior of MAPbCl 3 Single Crystals Studied by Brillouin Light Scattering.

Published in:

Materials (1996-1944), 2022, v. 15, n. 10, p. 3692, doi. 10.3390/ma15103692

By:

Lee, Jeong Woo;
Naqvi, Furqanul Hassan;
Ko, Jae-Hyeon;
Kim, Tae Heon;
Ahn, Chang Won

Publication type:

Article

Acoustic Anomalies and Phase Transition Behaviors of Lead-Free Piezoelectric (Na1/2Bi1/2)TiO3-xBaTiO3 Single Crystals as Revealed by Brillouin Light Scattering.

Published in:

Materials (1996-1944), 2018, v. 11, n. 6, p. 1000, doi. 10.3390/ma11061000

By:

Lee, Byoung Wan;
Oh, Soo Han;
Ko, Jae-Hyeon;
Li, Xiaobing;
Luo, Haosu

Publication type:

Article

Phase transitions in PbZr 0.72 Sn 0.28 O 3 single crystals studied by Raman spectroscopy.

Published in:

Phase Transitions, 2016, v. 89, n. 7/8, p. 768, doi. 10.1080/01411594.2016.1178743

By:

Jankowska-Sumara, Irena;
Jeong, Min-Seok;
Ko, Jae-Hyeon;
Majchrowski, Andrzej;
Żmija, Józef

Publication type:

Article

Acoustic behaviour and equation of state of amorphous ethylene–vinyl acetate copolymer studied by means of high-pressure Brillouin scattering spectroscopy.

Published in:

Phase Transitions, 2014, v. 87, n. 6, p. 582, doi. 10.1080/01411594.2013.859256

By:

Ko, Jae-Hyeon;
Ko, Young Ho;
Kim, Kwang Joo

Publication type:

Article

Bimodal Control of Heat Transport at Graphene-Metal Interfaces Using Disorder in Graphene.

Published in:

Scientific Reports, 2016, p. 34428, doi. 10.1038/srep34428

By:

Kim, Jaehyeon;
Khan, Muhammad Ejaz;
Ko, Jae-Hyeon;
Kim, Jong Hun;
Lee, Eui-Sup;
Suh, Joonki;
Wu, Junqiao;
Kim, Yong-Hyun;
Park, Jeong Young;
Lyeo, Ho-Ki

Publication type:

Article

Giant Electroresistance in Edge Metal-Insulator-Metal Tunnel Junctions Induced by Ferroelectric Fringe Fields.

Published in:

Scientific Reports, 2016, p. 30646, doi. 10.1038/srep30646

By:

Jung, Sungchul;
Jeon, Youngeun;
Jin, Hanbyul;
Lee, Jung-Yong;
Ko, Jae-Hyeon;
Kim, Nam;
Eom, Daejin;
Park, Kibog

Publication type:

Article

Controllable Synthesis and Structural Analysis of Nanohybrids with Gold Multipod Nanoparticle Cores and ZIF-67 Shells (GMN@ ZIF-67).

Published in:

ChemNanoMat, 2017, v. 3, n. 12, p. 857, doi. 10.1002/cnma.201700233

By:

Mai, Hien Duy;
Le, Van Cam Thi;
Pham, Thu Minh Thi;
Ko, Jae‐Hyeon;
Yoo, Hyojong

Publication type:

Article

Generation of Ultra-High-Molecular-Weight Polyethylene from Metallocenes Immobilized onto N-Doped Graphene Nanoplatelets.

Published in:

Macromolecular Rapid Communications, 2013, v. 34, n. 6, p. 533, doi. 10.1002/marc.201200768

By:

Lee, Juno;
Park, Sungjin;
Choi, Baekhap;
Choi, Insung S.;
Lee, Seungjun;
Han, Jongwoo;
Ko, Jae-Hyeon;
Kim, Yong-Hyun;
Oh, Junghoon;
Lee, Kyoung-Seok

Publication type:

Article

Reversibly Controlled Ternary Polar States and Ferroelectric Bias Promoted by Boosting Square‐Tensile‐Strain.

Published in:

Advanced Materials, 2022, v. 34, n. 42, p. 1, doi. 10.1002/adma.202205825

By:

Lee, Jun Han;
Duong, Nguyen Xuan;
Jung, Min‐Hyoung;
Lee, Hyun‐Jae;
Kim, Ahyoung;
Yeo, Youngki;
Kim, Junhyung;
Kim, Gye‐Hyeon;
Cho, Byeong‐Gwan;
Kim, Jaegyu;
Naqvi, Furqan Ul Hassan;
Bae, Jong‐Seong;
Kim, Jeehoon;
Ahn, Chang Won;
Kim, Young‐Min;
Song, Tae Kwon;
Ko, Jae‐Hyeon;
Koo, Tae‐Yeong;
Sohn, Changhee;
Park, Kibog

Publication type:

Article

0.98(K 0.5 Na 0.5)NbO 3 –0.02(Bi 0.5 Na 0.5)(Zr 0.85 Sn 0.15)O 3 Single Crystals Grown by the Seed-Free Solid-State Crystal Growth Method and Their Characterization.

Published in:

Ceramics (2571-6131), 2024, v. 7, n. 3, p. 840, doi. 10.3390/ceramics7030055

By:

Uwiragiye, Eugenie;
Pham, Thuy Linh;
Lee, Jong-Sook;
Lee, Byoung-Wan;
Ko, Jae-Hyeon;
Fisher, John G.

Publication type:

Article

The complexity of structural phase transitions in Pb(Hf0.92Sn0.08)O3 single crystals.

Published in:

Journal of the American Ceramic Society, 2021, v. 104, n. 11, p. 5990, doi. 10.1111/jace.17967

By:

Jankowska‐Sumara, Irena;
Ko, Jae‐Hyeon;
Majchrowski, Andrzej

Publication type:

Article

Influence of Nb5+ ions on phase transitions and polar disorder above TC in PbZrO3 studied by Raman spectroscopy.

Published in:

Journal of the American Ceramic Society, 2020, v. 103, n. 6, p. 3657, doi. 10.1111/jace.17042

By:

Kajewski, Dariusz;
Jankowska‐Sumara, Irena;
Ko, Jae‐Hyeon;
Lee, Jeong W.;
Sitko, Rafał;
Majchrowski, Andrzej;
Bussmann‐Holder, Annette;
Roleder, Krystian

Publication type:

Article