• 4760 Citations
  • 35 h-Index
1986 …2019
If you made any changes in Pure these will be visible here soon.

Research Output 1986 2019

Filter
Article
2019
11 Citations (Scopus)

Bulk properties of the van der Waals hard ferromagnet VI3

Son, S., Coak, M. J., Lee, N., Kim, J., Kim, T. Y., Hamidov, H., Cho, H., Liu, C., Jarvis, D. M., Brown, P. A. C., Kim, J. H., Park, C. H., Khomskii, D. I., Saxena, S. S. & Park, J. G., 2019 Jan 7, In : Physical Review B. 99, 4, 041402.

Research output: Contribution to journalArticle

Magnetic properties
insulators
magnetic properties
Functional materials
Optical band gaps
1 Citation (Scopus)

Directed self-assembly of a helical nanofilament liquid crystal phase for use as structural color reflectors

Park, W., Ha, T., Kim, T. T., Zep, A., Ahn, H., Shin, T. J., Sim, K. I., Jung, T. S., Kim, J. H., Pociecha, D., Gorecka, E. & Yoon, D. K., 2019 Dec 1, In : NPG Asia Materials. 11, 1, 45.

Research output: Contribution to journalArticle

Open Access
Liquid Crystals
Self-assembly
Reflector
Liquid Crystal
Liquid crystals

Phase-change like process through bond switching in distorted and resonantly bonded crystal

Yang, W. J., Park, H., Kim, D. S., Ha, T., Park, S. J., Ahn, M., Kim, J. H., Kwon, Y. K. & Cho, M. H., 2019 Dec 1, In : Scientific reports. 9, 1, 12816.

Research output: Contribution to journalArticle

Open Access
Phase Transition
Hot Temperature
Efficiency
Object Attachment
1 Citation (Scopus)

Single-crystalline Cu2O thin films of optical quality as obtained by the oxidation of single-crystal Cu thin films at low temperature

Ha, T., Park, I., Sim, K. I., Lee, H., Bae, J. S., Kim, S. J., Kim, J. P., Kim, T. T., Kim, J. H., Jang, J. I. & Jeong, S. Y., 2019 Mar 1, In : APL Materials. 7, 3, 031115.

Research output: Contribution to journalArticle

Open Access
Single crystals
Crystalline materials
Thin films
Oxidation
Temperature

Ultrafast Photo-Response by Surface State-Mediated Optical Transitions in Topological Insulator Bi2Te3 Nanowire

Park, D., Jeong, K., Maeng, I. H., Kim, D., Kwon, H., Hong, S. B., Kim, J. H., Kee, C. S., Kang, C. & Cho, M. H., 2019 Oct 1, In : Advanced Optical Materials. 7, 19, 1900621.

Research output: Contribution to journalArticle

Optical transitions
Surface states
optical transition
Nanowires
nanowires
2018
2 Citations (Scopus)

Band gap and mobility of epitaxial perovskite BaSn1-xHfx O3 thin films

Shin, J., Lim, J., Ha, T., Kim, Y. M., Park, C., Yu, J., Kim, J. H. & Char, K., 2018 Feb 9, In : Physical Review Materials. 2, 2, 021601.

Research output: Contribution to journalArticle

Open Access
Perovskite
Energy gap
Oxides
Heterojunctions
Thin films
2 Citations (Scopus)

Fabrication and optoelectronic characterisation of lanthanide- and metal-ion-doped DNA thin films

Dugasani, S. R., Paulson, B., Ha, T., Jung, T. S., Gnapareddy, B., Kim, J. A., Kim, T., Kim, H. J., Kim, J. H., Oh, K. & Park, S. H., 2018 Jun 22, In : Journal of Physics D: Applied Physics. 51, 28, 285301.

Research output: Contribution to journalArticle

Lanthanoid Series Elements
Rare earth elements
Optoelectronic devices
Metal ions
metal ions
1 Citation (Scopus)

Magneto-optical and thermal characteristics of magnetite nanoparticle-embedded DNA and CTMA-DNA thin films

Kesama, M. R., Yun, B. K., Ha, T., Dugasani, S. R., Son, J., Kim, J. H., Jung, J. H. & Park, S. H., 2018 Sep 19, In : Nanotechnology. 29, 46, 465703.

Research output: Contribution to journalArticle

Magnetite Nanoparticles
Magnetite nanoparticles
DNA
Thin films
Thermogravimetric analysis
3 Citations (Scopus)

Tuning of Topological Dirac States via Modification of van der Waals Gap in Strained Ultrathin Bi2Se3 Films

Yang, W. J., Lee, C. W., Kim, D. S., Kim, H. S., Kim, J. H., Choi, H. Y., Choi, Y. J., Kim, J. H., Park, K. & Cho, M. H., 2018 Oct 18, In : Journal of Physical Chemistry C. 122, 41, p. 23739-23748 10 p.

Research output: Contribution to journalArticle

Ultrathin films
Tuning
tuning
Terahertz spectroscopy
Quantum computers
2017
8 Citations (Scopus)

High-k perovskite gate oxide BaHfO 3

Kim, Y. M., Park, C., Ha, T., Kim, U., Kim, N., Shin, J., Kim, Y., Yu, J., Kim, J. H. & Char, K., 2017 Jan 1, In : APL Materials. 5, 1, 016104.

Research output: Contribution to journalArticle

Perovskite
Oxides
Optical band gaps
High electron mobility transistors
Substrates
3 Citations (Scopus)

Optimal methodologies for terahertz time-domain spectroscopic analysis of traditional pigments in powder form

Ha, T., Lee, H., Sim, K. I., Kim, J., Jo, Y. C., Kim, J. H., Baek, N. Y., Kang, D. I. & Lee, H. H., 2017 May 1, In : Journal of the Korean Physical Society. 70, 9, p. 866-871 6 p.

Research output: Contribution to journalArticle

spectroscopic analysis
pigments
methodology
color
pellets
1 Citation (Scopus)

Terahertz electrodynamics and superconducting energy gap of NbN

Sim, K. I., Jo, Y. C., Ha, T., Kim, J. H., Kim, J. H. & Yamamori, H., 2017 Nov 1, In : Journal of the Korean Physical Society. 71, 9, p. 571-574 4 p.

Research output: Contribution to journalArticle

niobium
electrodynamics
nitrides
conductivity
thin films
2016
47 Citations (Scopus)

Hydrogenated monolayer graphene with reversible and tunable wide band gap and its field-effect transistor

Son, J., Lee, S., Kim, S. J., Park, B. C., Lee, H. K., Kim, S., Kim, J. H., Hong, B. H. & Hong, J., 2016 Nov 10, In : Nature communications. 7, 13261.

Research output: Contribution to journalArticle

Graphite
Field effect transistors
Monolayers
graphene
Energy gap
10 Citations (Scopus)

Tuning the Fermi level with topological phase transition by internal strain in a topological insulator Bi2Se3 thin film

Kim, T. H., Jeong, K., Park, B. C., Choi, H., Park, S. H., Jung, S., Park, J., Jeong, K. H., Kim, J. W., Kim, J. H. & Cho, M. H., 2016 Jan 14, In : Nanoscale. 8, 2, p. 741-751 11 p.

Research output: Contribution to journalArticle

Fermi level
Tuning
Phase transitions
Thin films
Energy gap
2015
52 Citations (Scopus)

All-perovskite transparent high mobility field effect using epitaxial BaSnO3 and LaInO3

Kim, U., Park, C., Ha, T., Kim, Y. M., Kim, N., Ju, C., Park, J., Yu, J., Kim, J. H. & Char, K., 2015 Mar 1, In : APL Materials. 3, 3, 03610.

Research output: Contribution to journalArticle

Perovskite
Oxides
Electron mobility
Epitaxial films
Gate dielectrics
19 Citations (Scopus)

Carrier Mobility Enhancement of Tensile Strained Si and SiGe Nanowires via Surface Defect Engineering

Ma, J. W., Lee, W. J., Bae, J. M., Jeong, K. S., Oh, S. H., Kim, J. H., Kim, S. H., Seo, J. H., Ahn, J. P., Kim, H. & Cho, M-H., 2015 Nov 11, In : Nano Letters. 15, 11, p. 7204-7210 7 p.

Research output: Contribution to journalArticle

Carrier mobility
Surface defects
surface defects
carrier mobility
Nanowires
32 Citations (Scopus)

Chemical and Physical Characteristics of Doxorubicin Hydrochloride Drug-Doped Salmon DNA Thin Films

Gnapareddy, B., Reddy Dugasani, S., Ha, T., Paulson, B., Hwang, T., Kim, T., Hoon Kim, J., Oh, K. & Park, S. H., 2015 Jul 31, In : Scientific reports. 5

Research output: Contribution to journalArticle

Salmon
Doxorubicin
DNA
Pharmaceutical Preparations
Quartz
13 Citations (Scopus)

DNA reusability and optoelectronic characteristics of streptavidin-conjugated DNA crystals on a quartz substrate

Gnapareddy, B., Ha, T., Dugasani, S. R., Kim, J. A., Kim, B., Kim, T., Kim, J. H. & Park, S. H., 2015 Jan 1, In : RSC Advances. 5, 49, p. 39409-39415 7 p.

Research output: Contribution to journalArticle

Quartz
Streptavidin
Reusability
Optoelectronic devices
DNA
9 Citations (Scopus)

Double fano resonances in a composite metamaterial possessing tripod plasmonic resonances

Lee, Y. U., Choi, E. Y., Kim, E. S., Woo, J. H., Kang, B., Kim, J., Park, B. C., Hong, T. Y., Kim, J. H. & Wu, J. W., 2015 Feb 1, In : Journal of Optics (United Kingdom). 17, 2, 025103.

Research output: Contribution to journalArticle

tripods
Metamaterials
oscillators
composite materials
Resonators
45 Citations (Scopus)

Metal Semiconductor Field-Effect Transistor with MoS2/Conducting NiOx van der Waals Schottky Interface for Intrinsic High Mobility and Photoswitching Speed

Lee, H. S., Baik, S. S., Lee, K., Min, S. W., Jeon, P. J., Kim, J. S., Choi, K., Choi, H. J., Kim, J. H. & Im, S., 2015 Aug 25, In : ACS Nano. 9, 8, p. 8312-8320 9 p.

Research output: Contribution to journalArticle

MESFET devices
Carrier mobility
Threshold voltage
Hysteresis
MISFET devices
21 Citations (Scopus)

Reduction of RESET current in phase change memory devices by carbon doping in GeSbTe films

Park, J. H., Kim, S. W., Kim, J. H., Wu, Z., Cho, S. L., Ahn, D., Ahn, D. H., Lee, J. M., Nam, S. U. & Ko, D. H., 2015 Mar 21, In : Journal of Applied Physics. 117, 11, 115703.

Research output: Contribution to journalArticle

carbon
high resistance
flash
grain size
substitutes
32 Citations (Scopus)

Saturable optical absorption in MoS2 nano-sheet optically deposited on the optical fiber facet

Khazaeinezhad, R., Hosseinzadeh Kassani, S., Nazari, T., Jeong, H., Kim, J., Choi, K., Lee, J. U., Kim, J. H., Cheong, H., Yeom, D. I. & Oh, K., 2015 Jan 15, In : Optics Communications. 335, p. 224-230 7 p.

Research output: Contribution to journalArticle

Light absorption
Optical fibers
flat surfaces
Saturable absorbers
optical absorption
35 Citations (Scopus)

Terahertz single conductance quantum and topological phase transitions in topological insulator Bi2Se3 ultrathin films

Park, B. C., Kim, T. H., Sim, K. I., Kang, B., Kim, J. W., Cho, B., Jeong, K. H., Cho, M. H. & Kim, J. H., 2015 Apr 23, In : Nature communications. 6, 6552.

Research output: Contribution to journalArticle

Ultrathin films
Phase Transition
Surface states
Phase transitions
insulators
11 Citations (Scopus)

Thermoelectric properties of Mg3Sb2-xBix single crystals grown by Bridgman method

Kim, S. H., Kim, C. M., Hong, Y. K., Sim, K. I., Kim, J. H., Onimaru, T., Takabatake, T. & Jung, M. H., 2015 May, In : Materials Research Express. 2, 5, 055903.

Research output: Contribution to journalArticle

Crystal growth from melt
Single crystals
Seebeck coefficient
Thermal conductivity
Anisotropy
2014
39 Citations (Scopus)

Dopant-site-dependent scattering by dislocations in epitaxial films of perovskite semiconductor BaSnO3

Kim, U., Park, C., Ha, T., Kim, R., Mun, H. S., Kim, H. M., Kim, H. J., Kim, T. H., Kim, N., Yu, J., Kim, K. H., Kim, J. H. & Char, K., 2014 May, In : APL Materials. 2, 5, 056107.

Research output: Contribution to journalArticle

Epitaxial films
Dislocations (crystals)
Perovskite
Doping (additives)
Scattering
32 Citations (Scopus)

Energy band gap and optical transition of metal ion modified double crossover dna lattices

Dugasani, S. R., Ha, T., Gnapareddy, B., Choi, K., Lee, J., Kim, B., Kim, J. H. & Park, S. H., 2014 Oct 22, In : ACS Applied Materials and Interfaces. 6, 20, p. 17599-17605 7 p.

Research output: Contribution to journalArticle

Optical transitions
Crystal lattices
Band structure
Metal ions
Energy gap
39 Citations (Scopus)

Reflection terahertz time-domain spectroscopy of RDX and HMX explosives

Choi, K., Hong, T., Ik Sim, K., Ha, T., Cheol Park, B., Hyuk Chung, J., Gyeong Cho, S. & Hoon Kim, J., 2014 Jan 14, In : Journal of Applied Physics. 115, 2, 023105.

Research output: Contribution to journalArticle

HMX
RDX
maximum entropy method
phase error
pellets
19 Citations (Scopus)

Structural and chemical modification of nontronite associated with microbial Fe(III) reduction: Indicators of "illitization"

Koo, T. H., Jang, Y. N., Kogure, T., Kim, J. H., Park, B. C., Sunwoo, D. & Kim, J. W., 2014 Jun 4, In : Chemical Geology. 377, p. 87-95 9 p.

Research output: Contribution to journalArticle

illitization
nontronite
Chemical modification
cation exchange capacity
illite
8 Citations (Scopus)

Terahertz time-domain and Fourier-transform infrared spectroscopy of traditional Korean pigments

Hong, T., Choi, K., Ha, T., Park, B. C., Sim, K. I., Kim, J. H., Kim, J. H., Kwon, J. E., Lee, S., Kang, D. I. & Lee, H. H., 2014 Mar, In : Journal of the Korean Physical Society. 64, 5, p. 727-731 5 p.

Research output: Contribution to journalArticle

pigments
infrared spectroscopy
coefficients
extinction
refractivity
2013
7 Citations (Scopus)

Interaction of itinerant electrons and spin fluctuations in electron-doped cuprates

Park, S. R., Morinari, T., Song, D. J., Leem, C. S., Kim, C., Choi, S. K., Choi, K., Kim, J. H., Schmitt, F., Mo, S. K., Lu, D. H., Shen, Z. X., Eisaki, H., Tohyama, T., Han, J. H. & Kim, C., 2013 May 31, In : Physical Review B - Condensed Matter and Materials Physics. 87, 17, 174527.

Research output: Contribution to journalArticle

Spin fluctuations
cuprates
High temperature superconductors
high temperature superconductors
Electrons
9 Citations (Scopus)

Photoelectric probing of the interfacial trap density-of-states in ZnO nanowire field-effect transistors

Raza, S. R. A., Lee, Y. T., Chang, Y. G., Jeon, P. J., Kim, J. H., Ha, R., Choi, H. J. & Im, S., 2013 Feb 28, In : Physical Chemistry Chemical Physics. 15, 8, p. 2660-2664 5 p.

Research output: Contribution to journalArticle

Field effect transistors
Nanowires
nanowires
field effect transistors
traps
16 Citations (Scopus)

Terahertz, optical, and Raman signatures of monolayer graphene behavior in thermally reduced graphene oxide films

Lim, J., Choi, K., Rani, J. R., Kim, J. S., Lee, C., Hoon Kim, J. & Chan Jun, S., 2013 May 14, In : Journal of Applied Physics. 113, 18, 183502.

Research output: Contribution to journalArticle

oxide films
graphene
signatures
platelets
red shift
17 Citations (Scopus)

Terahertz and optical study of monolayer graphene processed by plasma oxidation

Choi, K., Lim, J., Rani, J. R., Seo Yoon, H., Oh, J., Hong, T., Ha, T., Cheol Park, B., Ik Sim, K., Chan Jun, S. & Hoon Kim, J., 2013 Apr 1, In : Applied Physics Letters. 102, 13, 131901.

Research output: Contribution to journalArticle

graphene
blue shift
oxidation
oxygen plasma
transmittance
9 Citations (Scopus)

Terahertz electrodynamics and superconducting energy gap of NbTiN

Hong, T., Choi, K., Sim, K. I., Ha, T., Park, B. C., Yamamori, H. & Kim, J. H., 2013 Dec 28, In : Journal of Applied Physics. 114, 24, 243905.

Research output: Contribution to journalArticle

electrodynamics
conductivity
BCS theory
critical temperature
indication
2 Citations (Scopus)

Terahertz time-domain transmission and reflection spectroscopy of niobium

Hong, T., Choi, K., Park, B. C., Ha, T., Sim, K. I., Ha, D. G., Chong, Y. & Kim, J. H., 2013 May 7, In : Journal of the Korea Institute of Applied Superconductivity and Cryogenics. 15, 1, p. 11-13 3 p.

Research output: Contribution to journalArticle

Niobium
Spectroscopy
Metallic films
Superconducting materials
Thin films
2012
4 Citations (Scopus)

Ambient-protecting organic light transducer grown on pentacene-channel of photo-gating complementary inverter

Lee, H. S., Lee, K. H., Park, C. H., Jeon, P. J., Choi, K., Kim, D. H., Kim, H. R., Lee, G. H., Kim, J. H. & Im, S., 2012 Mar 14, In : Journal of Materials Chemistry. 22, 10, p. 4444-4449 6 p.

Research output: Contribution to journalArticle

Transducers
Thin film transistors
Crystalline materials
Durability
Degradation
8 Citations (Scopus)

Anisotropic change in THz resonance of planar metamaterials by liquid crystal and carbon nanotube

Woo, J. H., Choi, E., Kang, B., Kim, E. S., Kim, J., Lee, Y. U., Hong, T. Y., Kim, J. H., Lee, I., Lee, Y. H. & Wu, J. W., 2012 Jul 2, In : Optics Express. 20, 14, p. 15440-15451 12 p.

Research output: Contribution to journalArticle

nanotubes
carbon nanotubes
liquid crystals
organic materials
resonators
3 Citations (Scopus)

Infrared spectroscopic ellipsometry of Ge-doped SbTe alloys

Kang, T. D., Sim, K. I., Kim, J. H., Wu, Z., Cheong, B. K. & Lee, H., 2012 Jul 31, In : Thin Solid Films. 520, 19, p. 6221-6225 5 p.

Research output: Contribution to journalArticle

Spectroscopic ellipsometry
ellipsometry
Infrared radiation
Thin films
Carrier mobility
860 Citations (Scopus)

MoS 2 nanosheet phototransistors with thickness-modulated optical energy gap

Lee, H. S., Min, S. W., Chang, Y. G., Park, M. K., Nam, T., Kim, H., Kim, J. H., Ryu, S. & Im, S., 2012 Jul 11, In : Nano letters. 12, 7, p. 3695-3700 6 p.

Research output: Contribution to journalArticle

Phototransistors
phototransistors
Nanosheets
Energy gap
Methyl Green
135 Citations (Scopus)

MoS2 nanosheets for top-gate nonvolatile memory transistor channel

Lee, H. S., Min, S. W., Park, M. K., Lee, Y. T., Jeon, P. J., Kim, J. H., Ryu, S. & Im, S., 2012 Oct 22, In : Small. 8, 20, p. 3111-3115 5 p.

Research output: Contribution to journalArticle

Nanosheets
Transistors
Gates (transistor)
Data storage equipment
Ferroelectric materials
7 Citations (Scopus)
Thin film transistors
Polymer films
Polymers
transistors
Spectroscopy
2011
13 Citations (Scopus)

An almost transparent image pixel with a pentacene/ZnO photodiode, a pentacene thin-film transistor, and a 6,13-pentacenequinone phosphor layer

Lee, K. H., Lee, H. S., Lee, K., Ha, T., Kim, J. H. & Im, S., 2011 Mar 11, In : Advanced Materials. 23, 10, p. 1231-1236 6 p.

Research output: Contribution to journalArticle

Thin film transistors
Photodiodes
Phosphors
Pixels
Lighting
10 Citations (Scopus)

Cryogenic temperature measurement of THz meta-resonance in symmetric metamaterial superlattice

Woo, J. H., Kim, E. S., Choi, E., Kang, B., Lee, H. H., Kim, J., Lee, Y. U., Hong, T. Y., Kim, J. H. & Wu, J. W., 2011 Feb 28, In : Optics Express. 19, 5, p. 4384-4392 9 p.

Research output: Contribution to journalArticle

cryogenic temperature
temperature measurement
Q factors
damping
scattering
18 Citations (Scopus)

DC versus pulse-type negative bias stress effects on the instability of amorphous ingazno transistors under light illumination

Chang, Y. G., Moon, T. W., Kim, D. H., Lee, H. S., Kim, J. H., Park, K. S., Kim, C. D. & Im, S., 2011 Dec 1, In : IEEE Electron Device Letters. 32, 12, p. 1704-1706 3 p., 6054000.

Research output: Contribution to journalArticle

Transistors
Lighting
Amorphous films
Thin film transistors
Threshold voltage
5 Citations (Scopus)

Organic/oxide hybrid complementary thin-film transistor inverter in vertical stack for logic, photo-gating, and ferroelectric memory operation

Park, C. H., Lee, H. S., Lee, K. H., Kim, D. H., Kim, H. R., Lee, G. H., Kim, J. H. & Im, S., 2011 Sep, In : Organic Electronics. 12, 9, p. 1533-1538 6 p.

Research output: Contribution to journalArticle

Thin film transistors
Oxides
Ferroelectric materials
logic
transistors
17 Citations (Scopus)

Semi-transparent organic/inorganic hybrid photo-detector using pentacene/ZnO diode connected to pentacene transistor

Lee, K. H., Park, C. H., Lee, K., Ha, T., Kim, J. H., Yun, J., Lee, G. H. & Im, S., 2011 Jul, In : Organic Electronics. 12, 7, p. 1103-1107 5 p.

Research output: Contribution to journalArticle

Thin film transistors
Transistors
Diodes
transistors
diodes
14 Citations (Scopus)

Trap density of states measured by photon probe on amorphous-InGaZnO thin-film transistors

Chang, Y. G., Kim, D. H., Ko, G., Lee, K., Kim, J. H. & Im, S., 2011 Mar 1, In : IEEE Electron Device Letters. 32, 3, p. 336-338 3 p., 5708165.

Research output: Contribution to journalArticle

Amorphous films
Thin film transistors
Sputtering
Photons
Spectroscopy
2010
25 Citations (Scopus)

Density of trap states measured by photon probe into ZnO based thin-film transistors

Lee, K., Ko, G., Lee, G. H., Han, G. B., Sung, M. M., Ha, T. W., Kim, J. H. & Im, S., 2010 Aug 23, In : Applied Physics Letters. 97, 8, 082110.

Research output: Contribution to journalArticle

transistors
traps
probes
photons
thin films
2 Citations (Scopus)

Ferroelectric property improvement of poly(vinylidene fluoride/ trifluoroethylene) polymer exposed to a plasma ambient

Park, C. H., Lee, K. H., Ha, T., Kim, J. H., Im, S., Yun, J. & Lee, G. H., 2010 Oct 18, In : Applied Physics Letters. 97, 16, 162911.

Research output: Contribution to journalArticle

vinylidene
fluorides
polymers
polarization
electric dipoles

Infrared spectroscopy of pseudogaps in electron-doped superconductors

Choi, K., Hong, T. Y., Park, S. R., Song, D. J., Kim, C., Eisaki, H. & Kim, J. H., 2010 Dec 1, In : Physica C: Superconductivity and its applications. 470, SUPPL.1, p. S90-S91

Research output: Contribution to journalArticle

Superconducting materials
Infrared spectroscopy
infrared spectroscopy
Pressure effects
Electrons