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2020

Hydrogen behavior under X-ray irradiation for a-IGZO thin film transistors

Kim, D. G., Lee, T. K., Park, K. S., Chang, Y. G., Han, K. J. & Choi, D. K., 2020 Jan 6, In : Applied Physics Letters. 116, 1, 013502.

Research output: Contribution to journalArticle

transistors
irradiation
hydrogen
thin films
x rays
2019
2 Citations (Scopus)

Negative threshold voltage shift in an a-IGZO thin film transistor under X-ray irradiation

Kim, D. G., Kim, J. U., Lee, J. S., Park, K. S., Chang, Y. G., Kim, M. H. & Choi, D. K., 2019 Jan 1, In : RSC Advances. 9, 36, p. 20865-20870 6 p.

Research output: Contribution to journalArticle

Open Access
Thin film transistors
Threshold voltage
Irradiation
X rays
Spectroscopic ellipsometry
1 Citation (Scopus)
Amorphous films
Thin film transistors
Hydrogen
transistors
Rapid thermal annealing
2018
9 Citations (Scopus)

Highly Bendable and Durable Transparent Electromagnetic Interference Shielding Film Prepared by Wet Sintering of Silver Nanowires

Kim, D. G., Choi, J. H., Choi, D. K. & Kim, S. W., 2018 Sep 5, In : ACS Applied Materials and Interfaces. 10, 35, p. 29730-29740 11 p.

Research output: Contribution to journalArticle

Signal interference
Silver
Shielding
Nanowires
Sintering

Leakage current reduction of Ni-MILC poly-Si TFT using chemical cleaning method

Lee, K. J., Kim, D., Choi, D. K. & Kim, W. B., 2018 Aug 1, In : Korean Journal of Materials Research. 28, 8, p. 440-444 5 p.

Research output: Contribution to journalArticle

Chemical cleaning
Polysilicon
Leakage currents
Cleaning
Nitric Acid

The effect of surface treatment using ceramic powder on adhesion properties in high reliability pressure sensor

Lee, G. J. & Choi, D-K., 2018 Dec 1, In : Journal of Electroceramics. 41, 1-4, p. 9-15 7 p.

Research output: Contribution to journalArticle

Pressure sensors
pressure sensors
surface treatment
Powders
adhesives
2017
1 Citation (Scopus)

Conoscopy as a failure analysis method for single crystals

Choi, H. S. & Choi, D-K., 2017 Jan 1, In : Journal of Nanoscience and Nanotechnology. 17, 1, p. 278-285 8 p.

Research output: Contribution to journalArticle

failure analysis
Failure analysis
Single crystals
Birefringence
single crystals
1 Citation (Scopus)

Oxygen-Dependent Synthesis of Graphene on γ-Alumina Catalyst

Lee, M., Park, K., Park, J., Choi, D-K. & Song, Y. W., 2017 Sep 8, In : Advanced Materials Interfaces. 4, 17, 1700603.

Research output: Contribution to journalArticle

Graphene
Alumina
Catalysts
Oxygen
Chemical vapor deposition
2016
2 Citations (Scopus)

Alignment of one-dimensional SnO2 lines by electrohydrodynamic jet printing

Choi, H., Jung, H., Choi, D. K. & Kim, C. Y., 2016 Feb 1, In : Journal of Nanoscience and Nanotechnology. 16, 2, p. 1818-1821 4 p.

Research output: Contribution to journalArticle

Electrohydrodynamics
electrohydrodynamics
printing
Printing
Polymers
1 Citation (Scopus)

Development of an accelerated life test method using the conversion of thermal shock stress to mechanical stress

Choi, H. S. & Choi, D-K., 2016 Jan 1, In : Journal of nanoscience and nanotechnology. 16, 11, p. 11359-11363 5 p.

Research output: Contribution to journalArticle

accelerated life tests
thermal shock
Thermal shock
thermal stresses
Thermal stress

Effect of moisture on the degradation of a SrAl2O4:Eu2+ materials in a Cd-free optical sensor

Choi, H. S., Choi, D-K. & Choi, S. M., 2016 Jan 1, In : Journal of nanoscience and nanotechnology. 16, 11, p. 11735-11740 6 p.

Research output: Contribution to journalArticle

Optical sensors
optical measuring instruments
Cadmium sulfide
moisture
cadmium sulfides
7 Citations (Scopus)

Improvement of the positive bias stability of a-IGZO TFTs by the HCN treatment

Kim, M. H., Choi, M. J., Kimura, K., Kobayashi, H. & Choi, D-K., 2016 Dec 1, In : Solid-State Electronics. 126, p. 87-91 5 p.

Research output: Contribution to journalArticle

Hydrogen Cyanide
Zinc Oxide
hydrocyanic acid
gallium oxides
Gallium
5 Citations (Scopus)

Negative bias illumination stress stability of dual-active layer amorphous indium-gallium-zinc-oxide thin-film transistor

Kim, M. H., Ko, Y. S., Choi, H. S., Ryu, S. M., Jeon, S. H., Jung, J. H. & Choi, D-K., 2016 Jul 1, In : Physica Status Solidi (A) Applications and Materials Science. 213, 7, p. 1873-1877 5 p.

Research output: Contribution to journalArticle

Zinc Oxide
gallium oxides
Gallium
Indium
Thin film transistors
4 Citations (Scopus)

Self-Aligned Coplanar Top Gate In-Ga-ZnO Thin-Film Transistors Exposed to Various DUV Irradiation Energies

Ryu, S. M., Kim, M. H., Jeon, S. H., Lim, J. H. & Choi, D. K., 2016 Jan 1, In : IEEE Transactions on Electron Devices. 63, 8, p. 3123-3127 5 p., 7508497.

Research output: Contribution to journalArticle

Thin film transistors
Irradiation
Zinc Oxide
Gallium
Indium
7 Citations (Scopus)

Synthesis of one-dimensional SnO 2 lines by using electrohydrodynamic jet printing for a NO gas sensor

Kim, C. Y., Jung, H., Choi, H. & Choi, D-K., 2016 Jan 1, In : Journal of the Korean Physical Society. 68, 2, p. 357-362 6 p.

Research output: Contribution to journalArticle

electrohydrodynamics
printing
sensors
polymers
inks

Thermal cycling properties of a lead-free positive temperature coefficient thermistor in the Ba0.97(Bi0.5Na0.5)0.03TiO3 system

Choi, H. S., Choi, S. M. & Choi, D-K., 2016 Jan 1, In : Journal of the Korean Physical Society. 68, 1, p. 121-125 5 p.

Research output: Contribution to journalArticle

thermistors
heaters
thermal cycling tests
cycles
coefficients
2015
4 Citations (Scopus)

Asperities on the surface of plate-like alumina and their effect on nacre-inspired alumina-PMMA composites

Kim, B. Y., Lee, Y., Kim, S. R., Shin, D. G., Kwon, W. T., Choi, D. K. & Kim, Y., 2015 Jul 1, In : Journal of the Korean Ceramic Society. 52, 4, p. 248-252 5 p.

Research output: Contribution to journalArticle

Nacre
Aluminum Oxide
Polymethyl Methacrylate
Minerals
Alumina
7 Citations (Scopus)

A transparent diode with high rectifying ratio using amorphous indium-gallium-zinc oxide/SiNx coupled junction

Choi, M. J., Kim, M. H. & Choi, D. K., 2015 Aug 3, In : Applied Physics Letters. 107, 5, 053501.

Research output: Contribution to journalArticle

gallium oxides
zinc oxides
indium
diodes
indium oxides
1 Citation (Scopus)

Characterization of Mn-based self-forming barriers on low-k samples with or without UV curing treatment

Park, J. H., Kang, M. S., Han, D. S., Choi, D. K. & Park, J. W., 2015 Oct, In : Journal of Nanoscience and Nanotechnology. 15, 10, p. 7493-7497 5 p.

Research output: Contribution to journalArticle

Hot Temperature
X-Ray Emission Spectrometry
Temperature
Porosity
Transmission Electron Microscopy
6 Citations (Scopus)

Coplanar homojunction a-InGaZnO thin film transistor fabricated using ultraviolet irradiation

Kim, M. M., Kim, M. H., Ryu, S. M., Lim, J. H. & Choi, D. K., 2015 Sep 24, In : RSC Advances. 5, 101, p. 82947-82951 5 p.

Research output: Contribution to journalArticle

Thin film transistors
Irradiation
Photoresists
Masks
Contact resistance
1 Citation (Scopus)

Effect of salt on crystal growth of plate-like alumina particles by molten-salt method

Kim, B. Y., Lee, Y. J., Kim, S. R., Kwon, W. T., Shin, D. G., Kim, Y. & Choi, D. K., 2015 Oct 1, In : Korean Chemical Engineering Research. 53, 5, p. 603-608 6 p.

Research output: Contribution to journalArticle

Aluminum Oxide
Crystallization
Crystal growth
Molten materials
Alumina
4 Citations (Scopus)

Effects of UV curing on the self-forming barrier process of Cu-V alloy films

Park, J. H., Kang, M. S., Han, D. S., Choi, D-K. & Park, J. W., 2015 Jan 1, In : Surface and Coatings Technology. 276, p. 254-259 6 p.

Research output: Contribution to journalArticle

curing
Curing
interlayers
Substrates
Annealing

Failure analysis of a nickel-plated electronic connector due to salt-induced corrosion (ENGE 2014)

Lee, N. R., Choi, H. S. & Choi, D-K., 2015 Oct 1, In : Journal of nanoscience and nanotechnology. 15, 10, p. 7498-7502 5 p.

Research output: Contribution to journalArticle

Corrosion
Nickel
Salts
Stainless Steel
Atmosphere
3 Citations (Scopus)

Highly stable hafnium-tin-zinc oxide thin film transistors with stacked bilayer active layers

Han, D. S., Park, J. H., Kang, M. S., Choi, D-K. & Park, J. W., 2015 Jan 1, In : Current Applied Physics. 15, 2, p. 94-97 4 p.

Research output: Contribution to journalArticle

Hafnium
Zinc Oxide
hafnium
Thin film transistors
Zinc oxide
21 Citations (Scopus)

Nano-sized indium-free MTO/Ag/MTO transparent conducting electrode prepared by RF sputtering at room temperature for organic photovoltaic cells

Lee, C. H., Pandey, R., Wang, B. Y., Choi, W. K., Choi, D. K. & Oh, Y. J., 2015 Jan, In : Solar Energy Materials and Solar Cells. 132, p. 80-85 6 p.

Research output: Contribution to journalArticle

Indium
Photovoltaic cells
Tin oxides
Sputtering
Electrodes

Observations on Si-based micro-clusters embedded in TaN thin film deposited by co-sputtering with oxygen contamination

Lee, Y. M., Jung, M. S., Choi, D. K. & Jung, M. C., 2015 Aug 1, In : AIP Advances. 5, 8, 087131.

Research output: Contribution to journalArticle

contamination
sputtering
oxygen
thin films
scanning electron microscopy
10 Citations (Scopus)

Photochemical Hydrogen Doping Induced Embedded Two-Dimensional Metallic Channel Formation in InGaZnO at Room Temperature

Kim, M. H., Lee, Y. A., Kim, J., Park, J., Ahn, S., Jeon, K. J., Kim, J. W., Choi, D. K. & Seo, H., 2015 Sep 29, In : ACS nano. 9, 10, p. 9964-9973 10 p.

Research output: Contribution to journalArticle

Hydrogen
Doping (additives)
room temperature
hydrogen
Metals
9 Citations (Scopus)

The effect of annealing in forming gas on the a-IGZO thin film transistor performance and valence band cut-off of IGZO on SiNx

Kamal, R., Chandravanshi, P., Choi, D-K. & Bobade, S. M., 2015 Jan 1, In : Current Applied Physics. 15, 5, p. 648-653 6 p.

Research output: Contribution to journalArticle

Thin film transistors
Valence bands
transistors
cut-off
Gases
2014
25 Citations (Scopus)

Al2O3/TiO2 multilayer thin films grown by plasma enhanced atomic layer deposition for organic light-emitting diode passivation

Han, D. S., Choi, D. K. & Park, J. W., 2014 Feb 3, In : Thin Solid Films. 552, p. 155-158 4 p.

Research output: Contribution to journalArticle

Atomic layer deposition
Multilayer films
Organic light emitting diodes (OLED)
atomic layer epitaxy
Passivation
4 Citations (Scopus)

Current hysteresis by oxygen vacancy exchange between oxides in Pt/a-IGZO/TaO x /W

Kwon, H. M., Kim, M. H., Lee, S. R., Kim, Y. B. & Choi, D-K., 2014 Feb 28, In : Applied Surface Science. 293, p. 220-224 5 p.

Research output: Contribution to journalArticle

Oxygen vacancies
Oxides
Hysteresis
Data storage equipment
Electric power utilization
18 Citations (Scopus)

Dual active layer a-IGZO TFT via homogeneous conductive layer formation by photochemical H-doping

Jeong, S. K., Kim, M. H., Lee, S. Y., Seo, H. & Choi, D. K., 2014 Jan 1, In : Nanoscale Research Letters. 9, 1, 619.

Research output: Contribution to journalArticle

Amorphous films
Thin film transistors
transistors
Doping (additives)
thin films
1 Citation (Scopus)

Effective contact resistance of zinc-tin oxide-based thin film transistors

Kang, Y., Han, D., Park, J., Shin, S., Choi, D. & Park, J., 2014 Nov 1, In : Journal of Nanoscience and Nanotechnology. 14, 11, p. 8148-8152 5 p.

Research output: Contribution to journalArticle

Thin film transistors
Contact resistance
Zinc oxide
contact resistance
Tin oxides
6 Citations (Scopus)

Effect of Ag nanowire addition into nanoparticle paste on the conductivity of Ag patterns printed by gravure offset method

Ok, K. H., Lee, C. J., Kwak, M. G., Choi, D-K., Kim, K. S., Jung, S. B. & Kim, J. W., 2014 Nov 1, In : Journal of Nanoscience and Nanotechnology. 14, 11, p. 8808-8812 5 p.

Research output: Contribution to journalArticle

Ointments
Nanowires
nanowires
Nanoparticles
conductivity
5 Citations (Scopus)

Effect of an Al2O3/TiO2 Passivation Layer on the Performance of Amorphous Zinc–Tin Oxide Thin-Film Transistors

Han, D. S., Park, J. H., Kang, M. S., Shin, S. R., Jung, Y. J., Choi, D-K. & Park, J. W., 2014 Jan 1, In : Journal of Electronic Materials. 44, 2, p. 651-657 7 p.

Research output: Contribution to journalArticle

Thin film transistors
Passivation
passivity
Oxide films
transistors
1 Citation (Scopus)

Low current resistive switching behavior in semiconductor/ferroelectric coupling

Park, H., Moon, Y. & Choi, D-K., 2014 Jan 1, In : Current Nanoscience. 10, 1, p. 16-19 4 p.

Research output: Contribution to journalArticle

Semiconductors
Leakage currents
Ferroelectric materials
Ferroelectric devices
Metals
1 Citation (Scopus)

Only the chemical state of Indium changes in Mn-doped In3Sb 1Te2 (Mn: 10 at.%) during multi-level resistance changes

Lee, Y. M., Ahn, D., Kim, J. Y., Kim, Y. S., Cho, S., Ahn, M., Cho, M. H., Jung, M. S., Choi, D. K., Jung, M. C. & Qi, Y. B., 2014 Apr 16, In : Scientific reports. 4, 4702.

Research output: Contribution to journalArticle

indium
x ray spectroscopy
atoms
synchrotron radiation
sputtering
8 Citations (Scopus)

Self-forming Mn-based diffusion barriers on low-k substrates

Park, J. H., Han, D. S., Kang, Y. J., Shin, S. R., Choi, D. K., Park, H. Y. & Park, J. W., 2014 Aug, In : Japanese Journal of Applied Physics. 53, 8 SPEC. ISSUE 3, 08NL01.

Research output: Contribution to journalArticle

Diffusion barriers
interlayers
Substrates
Thermodynamic stability
thermal stability
3 Citations (Scopus)

Self-rectifying effect in resistive switching memory using amorphous InGaZnO

Lee, J. W., Kwon, H. M., Kim, M. H., Lee, S. R., Kim, Y. B. & Choi, D-K., 2014 Jan 1, In : Journal of Electronic Materials. 43, 5, p. 1384-1388 5 p.

Research output: Contribution to journalArticle

random access memory
Data storage equipment
low resistance
high resistance
crosstalk
2013
3 Citations (Scopus)

Design of control oxide thickness for multi-level storage in a stepped NFGM MOSCAP

Kim, J. Y., Seo, J. H., Moon, Y. W. & Choi, D. K., 2013 Jul 20, In : Current Applied Physics. 13, 4 SUPPL.2, p. S30-S33

Research output: Contribution to journalArticle

Oxides
floating
Data storage equipment
oxides
shape control
1 Citation (Scopus)

Life and failure mechanism prediction of eco-friendly P2O5-SnO2-B2O3 glass frits

Choi, H. S. & Choi, D. K., 2013 Sep 1, In : Electronic Materials Letters. 9, 5, p. 569-574 6 p.

Research output: Contribution to journalArticle

phosphorus pentoxide
Glass
Melting point
Thermal shock
Organic light emitting diodes (OLED)

Multi-level storage in a nano-floating gate MOS capacitor using a stepped control oxide

Seo, J. H., Kim, J. Y., Kim, Y. B., Kim, D. W., Kim, H., Cho, H. & Choi, D. K., 2013 Apr 1, In : Microelectronics Reliability. 53, 4, p. 528-532 5 p.

Research output: Contribution to journalArticle

MOS capacitors
Oxides
floating
capacitors
Nanocrystals
2012
12 Citations (Scopus)

Effect of enhanced-mobility current path on the mobility of AOS TFT

Kim, M. J. & Choi, D. K., 2012 Jul 1, In : Microelectronics Reliability. 52, 7, p. 1346-1349 4 p.

Research output: Contribution to journalArticle

Zinc Oxide
Amorphous semiconductors
Gallium
Indium
Thin film transistors
10 Citations (Scopus)

Fabrication of transparent p-n junction diode based on oxide semiconductors deposited by RF magnetron sputtering

Kim, S., Seok, H., Lee, H., Lee, M., Choi, D. & Chai, K., 2012 Jan 1, In : Ceramics International. 38, SUPPL. 1, p. S623-S626

Research output: Contribution to journalArticle

Magnetron sputtering
Diodes
Heterojunctions
Fabrication
Carrier concentration
3 Citations (Scopus)
Thin film transistors
transistors
insulators
Transistors
Substrates

Preparation and application of the 3C-SiC substrate to piezoelectric micro cantilever transducers

Choi, K., Choi, D-K., Lee, D. Y., Shim, J., Ko, S. & Park, J. H., 2012 Jul 1, In : Applied Physics A: Materials Science and Processing. 108, 1, p. 161-170 10 p.

Research output: Contribution to journalArticle

Transducers
Substrates
Thick films
Silicon carbide
Silicon
2011
1 Citation (Scopus)

Characteristics of various instability in Ni-FALC poly-Si thin film transistors

Jung, J. H., Shin, J. H., Cho, Y. J., Choi, D. K. & Kim, Y. B., 2011 Jul 1, In : Current Applied Physics. 11, 4 SUPPL., p. S186-S188

Research output: Contribution to journalArticle

Thin film transistors
Polysilicon
transistors
traps
thin films
4 Citations (Scopus)

Characterization of Fe-doped In-Sb-Te (Fe: 10 at.) material with individual electrical-phase-change and magnetic properties

Lee, Y. M., Dung, D. D., Cho, S., Jung, M. S., Choi, D. K., Ahn, D., Kim, M. K., Kim, J. Y. & Jung, M. C., 2011 Sep 20, In : AIP Advances. 1, 2, 022150.

Research output: Contribution to journalArticle

nanoclusters
magnetic properties
magnetic materials

Effect of Be codoping on the photoluminescence spectra of GaMnAs

Yu, F., Parchinskiy, P. B., Kim, D., Kim, H., Ihm, Y. E. & Choi, D. K., 2011 May 1, In : Current Applied Physics. 11, 3, p. 735-739 5 p.

Research output: Contribution to journalArticle

Photoluminescence
photoluminescence
temperature dependence
Electron transitions
Molecular beam epitaxy

Effect of control oxide thickness on a stepped NFGM for multi-bit application

Seo, J. H., Yi, J. H. & Choi, D-K., 2011 Dec 1, 2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011. p. 368-369 2 p. 6155378. (2011 IEEE Nanotechnology Materials and Devices Conference, NMDC 2011).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oxides
Data storage equipment
Charge trapping
Nanocrystals
Electrodes
9 Citations (Scopus)

Fabrication of an a-IGZO thin film transistor using selective deposition of cobalt by the self-assembly monolayer (SAM) process

Cho, Y. J., Kim, H., Park, K. Y., Lee, J., Bobade, S. M., Wu, F. C. & Choi, D. K., 2011 Jan 1, In : Journal of Nanoscience and Nanotechnology. 11, 1, p. 787-790 4 p.

Research output: Contribution to journalArticle

Thin film transistors
Cobalt
printing
Self assembly
self assembly