• 2365 Citations
  • 25 h-Index
1984 …2019
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Research Output 1984 2019

2019

Molecular flux distribution from the thermal evaporation source using Monte Carlo method: The importance of interparticle collision

Hyun, G., Kim, S., Im, J., Na, Y., Jeong, K., Lee, H. & Yi, Y., 2019 Nov, In : Current Applied Physics. 19, 11, p. 1233-1237 5 p.

Research output: Contribution to journalArticle

Thermal evaporation
Monte Carlo method
Monte Carlo methods
evaporation
Fluxes
2 Citations (Scopus)
Conduction bands
conduction bands
Butyric acid
solar cells
Electronic structure
2017

Time resolved terahertz spectroscopy of topological insulator Sb2Te3

Park, J., Choi, H., Jung, S., Kim, T. H., Chae, J., Park, H., Jeong, K. & Cho, M-H., 2017 Oct 12, 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2017. IEEE Computer Society, 8067147

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

Terahertz spectroscopy
Optical properties
Phase transitions
Pumps
Spectroscopy
2016
13 Citations (Scopus)

Electron transport mechanism of bathocuproine exciton blocking layer in organic photovoltaics

Lee, J., Park, S., Lee, Y., Kim, H., Shin, D., Jeong, J., Jeong, K., Cho, S., Lee, H. & Yi, Y., 2016 Jan 1, In : Physical Chemistry Chemical Physics. 18, 7, p. 5444-5452 9 p.

Research output: Contribution to journalArticle

excitons
traps
Energy gap
electrons
photoelectric emission
6 Citations (Scopus)

Enhancement of carrier lifetime by spin-orbit coupling in a topological insulator of an Sb2Te3 thin film

Choi, H., Jung, S., Kim, T. H., Chae, J., Park, H., Jeong, K., Park, J. & Cho, M-H., 2016 Dec 7, In : Nanoscale. 8, 45, p. 19025-19035 11 p.

Research output: Contribution to journalArticle

Carrier lifetime
Surface states
Orbits
Thin films
Spectroscopy
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
5 Citations (Scopus)

Evolution of the surface state in Bi2Se2Te thin films during phase transition

Choi, H., Kim, T. H., Chae, J., Baeck, J., Kee, C. S., Jeong, K. H., Jeong, H. S., Kang, C. & Cho, M. H., 2015 Sep 28, In : Nanoscale. 7, 36, p. 14924-14936 13 p.

Research output: Contribution to journalArticle

Surface states
Phase transitions
Thin films
Thermal evaporation
Crystalline materials
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
2013
Photovoltaic cells
photovoltaic cells
Substitution reactions
Nitrogen
Physics
5 Citations (Scopus)

Strong interfacial dipole formation with thermal evaporation of lithium cobalt oxide for efficient electron injections

Lee, H., Park, S., Lee, J., Lee, Y., Shin, D., Jeong, K. & Yi, Y., 2013 Jan 21, In : Applied Physics Letters. 102, 3, 033302.

Research output: Contribution to journalArticle

lithium oxides
cobalt oxides
evaporation
injection
dipoles
8 Citations (Scopus)

Synthesis of self-ordered Sb2Te2 films with atomically aligned Te layers and the effect of phonon scattering modulation

Choi, H., Baeck, J. H., Kim, T. H., Song, J. Y., Shin, S., Cho, H., Ko, D. H., Kim, J. S., Jeong, K. H. & Cho, M. H., 2013 Nov 14, In : Journal of Materials Chemistry C. 1, 42, p. 7043-7053 11 p.

Research output: Contribution to journalArticle

Phonon scattering
Modulation
Metalloids
Electron scattering
Thermal evaporation
2012
3 Citations (Scopus)

Different contact formations at the interfaces of C 60/LiF/Al and C 60/LiF/Ag

Jeon, P., Kang, S. J., Lee, H., Lee, J., Jeong, K., Lee, J. & Yi, Y., 2012 Apr 1, In : Journal of Applied Physics. 111, 7, 073711.

Research output: Contribution to journalArticle

cathodes
injection
electronic structure
electrons
photoelectric emission
15 Citations (Scopus)

Direct evidence of n-type doping in organic light-emitting devices: N free Cs doping from CsN 3

Lee, J., Lee, H., Jeon, P., Jeong, K., Gun Kim, T., Won Kim, J. & Yi, Y., 2012 May 14, In : Applied Physics Letters. 100, 20, 203301.

Research output: Contribution to journalArticle

control equipment
luminance
cesium
alkali metals
electrons
9 Citations (Scopus)

Highly enhanced electron injection in organic light-emitting diodes with an n-type semiconducting MnO2 layer

Lee, H., Lee, J., Jeon, P., Jeong, K., Yi, Y., Kim, T. G., Kim, J. W. & Lee, J. W., 2012 May, In : Organic Electronics. 13, 5, p. 820-825 6 p.

Research output: Contribution to journalArticle

Electron injection
Organic light emitting diodes (OLED)
light emitting diodes
injection
electrons
18 Citations (Scopus)

Hole injection enhancements of a CoPc and CoPc:NPB mixed layer in organic light-emitting devices

Lee, H., Lee, J., Jeong, K., Yi, Y., Lee, J. H., Kim, J. W. & Cho, S., 2012 Jun 21, In : Journal of Physical Chemistry C. 116, 24, p. 13210-13216 7 p.

Research output: Contribution to journalArticle

Cobalt
cobalt
injection
augmentation
Molecular orbitals
10 Citations (Scopus)

Phase transformation of alternately layered Bi/Se structures to well-ordered single crystalline Bi 2Se 3 structures by a self-organized ordering process

Kim, T. H., Baeck, J. H., Choi, H., Jeong, K. H., Cho, M. H., Kim, B. C. & Jeong, K. T., 2012 Feb 9, In : Journal of Physical Chemistry C. 116, 5, p. 3737-3746 10 p.

Research output: Contribution to journalArticle

phase transformations
Phase transitions
Crystalline materials
Single crystals
Annealing
4 Citations (Scopus)
Photovoltaic cells
photovoltaic cells
Substitution reactions
Nitrogen
excitons
9 Citations (Scopus)

The reduction of effective doping with extra dopant: N-Type doping of tris(8-hydroxyquinoline) aluminum with K

Lee, H., Cho, S. W., Lee, J., Jeon, P. E., Jeong, K., Lee, J. W. & Yi, Y., 2012 Feb 15, In : Journal of Applied Physics. 111, 4, 043712.

Research output: Contribution to journalArticle

aluminum
deterioration
molecular orbitals
photoelectric emission
cathodes
8 Citations (Scopus)

Thickness dependent surface microstructure evolution of bismuth thin film prepared by molecular beam deposition method

Ahn, Y., Kim, Y. H., Kim, S. I. & Jeong, K. H., 2012 Nov 1, In : Current Applied Physics. 12, 6, p. 1518-1522 5 p.

Research output: Contribution to journalArticle

Bismuth
Molecular beams
bismuth
molecular beams
Thin films
2011
9 Citations (Scopus)

Interface state and dipole assisted hole injection improvement with 1,4,5,8,-naphthalene-tetracarboxylic-dianhydride in organic light-emitting devices

Jeon, P., Lee, H., Lee, J., Jeong, K., Lee, J. & Yi, Y., 2011 Aug 15, In : Applied Physics Letters. 99, 7, 073305.

Research output: Contribution to journalArticle

naphthalene
injection
dipoles
indium oxides
tin oxides
10 Citations (Scopus)

Phase transformation through metastable structures in atomically controlled Se/Sb Multilayers

Baeck, J. H., Kim, T. H., Choi, H. J., Jeong, K. H. & Cho, M. H., 2011 Jul 14, In : Journal of Physical Chemistry C. 115, 27, p. 13462-13470 9 p.

Research output: Contribution to journalArticle

phase transformations
Multilayers
Phase transitions
Multilayer films
Annealing
2010
4 Citations (Scopus)

Changes in Gd2O3 films grown on Si(100) as a function of nitridation temperature and Zr incorporation

Lee, W. J., Cho, M-H., Kim, Y. K., Baeck, J. H., Jeong, I. S., Jeong, K., Chung, K. B., Kim, S. Y. & Ko, D. H., 2010 Jan 1, In : Thin Solid Films. 518, 6, p. 1682-1688 7 p.

Research output: Contribution to journalArticle

Nitridation
Temperature
Nitrogen
temperature
Atoms
13 Citations (Scopus)

Revised hole injection mechanism of a thin LiF layer introduced between pentacene and an indium tin oxide anode

Kim, H. S., Lee, H., Jeon, P. E., Jeong, K., Lee, J. H. & Yi, Y., 2010 Sep 1, In : Journal of Applied Physics. 108, 5, 053701.

Research output: Contribution to journalArticle

indium oxides
tin oxides
anodes
injection
augmentation
2009
1 Citation (Scopus)

Electronic and structural characteristics of Zr-incorporated Gd 2 O 3 films on strained SiGe substrates

Baeck, J. H., Park, S. A., Lee, W. J., Jeong, I. S., Jeong, K., Cho, M-H., Kim, Y. K., Min, B. G. & Ko, D. H., 2009 Jun 15, In : Journal of Chemical Physics. 130, 20, 204510.

Research output: Contribution to journalArticle

Substrates
electronics
Surface chemistry
Oxides
Crystalline materials
4 Citations (Scopus)

Electronic structure of Te/Sb/Ge and Sb/Te/Ge multi layer films using photoelectron spectroscopy

Ju, H. B., Ann, Y. K., Jeong, K. H., Cho, M. H., Ko, D. H., Oh, J. H. & Jeong, H., 2009 Oct 19, In : Journal of the American Chemical Society. 131, 38, p. 13634-13638 5 p.

Research output: Contribution to journalArticle

Photoelectron Spectroscopy
Multilayer films
Photoelectron spectroscopy
Electronic structure
Hot Temperature
43 Citations (Scopus)

The interface state assisted charge transport at the MoO3 /metal interface

Yi, Y., Jeon, P. E., Lee, H., Han, K., Kim, H. S., Jeong, K. & Cho, S., 2009 Mar 19, In : Journal of Chemical Physics. 130, 9, 094704.

Research output: Contribution to journalArticle

Interface states
Charge transfer
Metals
metals
carrier injection
24 Citations (Scopus)

The origin of hole injection improvements with MoO3/Al bilayer electrodes in pentacene thin-film transistors

Jeon, P., Han, K., Lee, H., Kim, H. S., Jeong, K., Cho, K., Cho, S. W. & Yi, Y., 2009 Dec 1, In : Synthetic Metals. 159, 23-24, p. 2502-2505 4 p.

Research output: Contribution to journalArticle

Molecular orbitals
Thin film transistors
Electronic structure
molecular orbitals
transistors
2008
21 Citations (Scopus)

Dual enhancing properties of LiF with varying positions inside organic light-emitting devices

Han, K., Yi, Y., Song, W. J., Cho, S. W., Jeon, P. E., Lee, H., Whang, C. N. & Jeong, K., 2008 Feb, In : Organic Electronics. 9, 1, p. 30-38 9 p.

Research output: Contribution to journalArticle

lithium fluorides
Lithium
Electron injection
injection
Electroluminescence
5 Citations (Scopus)

Electronic structures of 8-hydroquinolatolithium on Au substrate: The organic electron injection layer having semiconducting properties

Cho, K., Cho, S. W., Jeon, P. E., Lee, H., Whang, C. N., Jeong, K., Kang, S. J. & Yi, Y., 2008 Dec 1, In : Synthetic Metals. 158, 21-24, p. 984-987 4 p.

Research output: Contribution to journalArticle

Electron injection
Electronic structure
photoelectron spectroscopy
Ultraviolet photoelectron spectroscopy
injection
8 Citations (Scopus)
Diamines
Ionization potential
diamines
Electron energy levels
Heterojunctions
14 Citations (Scopus)

Energy level alignments at tris(8-hydroquinoline) aluminum/8- hydroquinolatolithium/aluminum interfaces

Cho, K., Cho, S. W., Jeon, P. E., Lee, H., Whang, C. N., Jeong, K., Kang, S. J. & Yi, Y., 2008 Mar 14, In : Applied Physics Letters. 92, 9, 093304.

Research output: Contribution to journalArticle

energy levels
alignment
aluminum
x ray spectroscopy
chemical reactions
4 Citations (Scopus)

Influence of 2-mercapto-5-nitrobenzimidazole treatment on the electronic characteristics of bottom-contact organic field-effect transistors

Park, D. S., Jang, W. C., Cho, S. W., Seo, J. H., Jeong, I. S., Kim, T. W., Chang, G. S., Moewes, A., Chae, K. H., Jeong, K., Yoo, K. H. & Whang, C. N., 2008 Dec, In : Organic Electronics. 9, 6, p. 1010-1016 7 p.

Research output: Contribution to journalArticle

Ultraviolet photoelectron spectroscopy
Organic field effect transistors
Thin film transistors
Current voltage characteristics
Charge carriers
18 Citations (Scopus)

Investigation of phase transition of Ge2 Sb2 Te5 and N-incorporated Ge2 Sb2 Te5 films using x-ray absorption spectroscopy

Kim, Y., Jang, M. H., Jeong, K., Cho, M. H., Do, K. H., Ko, D. H., Sohn, H. C. & Kim, M. G., 2008 Feb 22, In : Applied Physics Letters. 92, 6, 061910.

Research output: Contribution to journalArticle

x ray absorption
x ray spectroscopy
absorption spectroscopy
phase change materials
fine structure
17 Citations (Scopus)
transistors
electronic structure
thin films
low voltage
threshold voltage
131 Citations (Scopus)
diamines
indium oxides
tin oxides
molybdenum
injection
2007
61 Citations (Scopus)

Changes in the electronic structures and optical band gap of Ge2 Sb2 Te5 and N-doped Ge2 Sb2 Te 5 during phase transition

Kim, Y., Jeong, K., Cho, M-H., Hwang, U., Jeong, H. S. & Kim, K., 2007 May 21, In : Applied Physics Letters. 90, 17, 171920.

Research output: Contribution to journalArticle

electronic structure
nitrogen
nitrides
synchrotron radiation
photoelectric emission
8 Citations (Scopus)

Electronic structure of pentacene/ultrathin gate dielectric interfaces for low-voltage organic thin film transistors

Cho, S. W., Park, D. S., Jang, W. C., Cho, M. H., Yoo, K. H., Jeong, K., Whang, C. N., Yi, Y. & Chung, K. B., 2007 Oct 8, In : Journal of Applied Physics. 102, 6, 064502.

Research output: Contribution to journalArticle

low voltage
transistors
photoelectron spectroscopy
electronic structure
ultraviolet spectroscopy
17 Citations (Scopus)
diamines
photoelectric emission
injection
electronic structure
copper
10 Citations (Scopus)

Origin of charge transfer complex resulting in Ohmic contact at the C 60 /Cu interface

Cho, S., Yi, Y., Seo, J. H., Kim, C. Y., Noh, M., Yoo, K., Jeong, K. & Whang, C. N., 2007 Feb 15, In : Synthetic Metals. 157, 2-3, p. 160-164 5 p.

Research output: Contribution to journalArticle

Ohmic contacts
Molecular orbitals
Charge transfer
electric contacts
charge transfer
5 Citations (Scopus)

Photoemission study of the electronic structures of tris-(8- hydroxyquinoline) aluminum/ Li2 OAl interfaces

Cho, K., Cho, S. W., Whang, C. N., Jeong, K., Kang, S. J. & Yi, Y., 2007 Sep 28, In : Applied Physics Letters. 91, 12, 122101.

Research output: Contribution to journalArticle

photoelectric emission
electronic structure
aluminum
molecular orbitals
energy levels
8 Citations (Scopus)

Texture formation of GeSbTe thin films prepared by multilayer deposition of modulating constituent elements

Ie, S. Y., Bea, B. T., Ahn, Y. K., Chang, M. Y., You, D. G., Cho, M. H., Jeong, K., Oh, J. H., Koh, G. H. & Jeong, H., 2007 Aug 2, In : Applied Physics Letters. 90, 25, 251917.

Research output: Contribution to journalArticle

x ray diffraction
textures
thin films
stoichiometry
poles
3 Citations (Scopus)

The origin of electron injection improvement in organic light-emitting devices with an organic oxide/rubrene electron injection layer

Cho, K., Cho, S. W., Whang, C. N., Jeong, K., Kang, S. J. & Yi, Y., 2007 Oct 18, In : Applied Physics Letters. 91, 15, 152107.

Research output: Contribution to journalArticle

glycols
ethers
ethylene
photoelectron spectroscopy
injection
2006
79 Citations (Scopus)

Energy level diagrams of C60/pentacene/Au and pentacene/C 60/Au

Kang, S. J., Yi, Y., Kim, C. Y., Cho, S. W., Noh, M., Jeong, K. & Whang, C. N., 2006 Jan 5, In : Synthetic Metals. 156, 1, p. 32-37 6 p.

Research output: Contribution to journalArticle

Molecular orbitals
Electron energy levels
energy levels
diagrams
Ultraviolet photoelectron spectroscopy
9 Citations (Scopus)

Evidence of the C 60 /Cu contact formation after thermal treatment

Cho, S., Seo, J. H., Kim, C. Y., Yoo, K., Jeong, K., Whang, C. N., Yi, Y., Kang, S. J. & Noh, M., 2006 Apr 10, In : Applied Physics Letters. 88, 15, 151103.

Research output: Contribution to journalArticle

heat treatment
photoelectron spectroscopy
x ray spectroscopy
molecular orbitals
injection
45 Citations (Scopus)

Ferromagnetism in 200-MeV Ag+15-ion-irradiated Co-implanted ZnO thin films

Angadi, B., Jung, Y. S., Choi, W. K., Kumar, R., Jeong, K., Shin, S. W., Lee, J. H., Song, J. H., Khan, M. W. & Srivastava, J. P., 2006 Apr 3, In : Applied Physics Letters. 88, 14, 142502.

Research output: Contribution to journalArticle

ferromagnetism
implantation
thin films
magnetization
ions
5 Citations (Scopus)

Interface study of ion irradiated Cu/Ni/Cu(0 0 2)/Si magnetic thin film by X-ray reflectivity

Kim, T. G., Lee, J. H., Song, J. H., Chae, K. H., Shin, S. W., Hwang, H. M., Lee, J., Jeong, K., Whang, C. N., Lee, J. S. & Lee, K. B., 2006 Apr 1, In : Journal of Magnetism and Magnetic Materials. 299, 1, p. 105-111 7 p.

Research output: Contribution to journalArticle

Magnetic thin films
Ion bombardment
Magnetic anisotropy
ion irradiation
Ions
12 Citations (Scopus)

Phase separation of a Ge2Sb2Te5 alloy in the transition from an amorphous structure to crystalline structures

Kim, Y. K., Park, S. A., Baeck, J. H., Noh, M. K., Jeong, K., Cho, M. H., Park, H. M., Lee, M. K., Jeong, E. J., Ko, D. H. & Shin, H. J., 2006 Jul 1, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 24, 4, p. 929-933 5 p., 079604JVA.

Research output: Contribution to journalArticle

Phase separation
Phase transitions
Crystalline materials
Sheet resistance
scanning
39 Citations (Scopus)

Single phase formation of Co-implanted ZnO thin films by swift heavy ion irradiation: Optical studies

Kumar, R., Singh, F., Angadi, B., Choi, J. W., Choi, W. K., Jeong, K., Song, J. H., Khan, M. W., Srivastava, J. P., Kumar, A. & Tandon, R. P., 2006 Dec 1, In : Journal of Applied Physics. 100, 11, 113708.

Research output: Contribution to journalArticle

ion irradiation
heavy ions
photoluminescence
thin films
shoulders
9 Citations (Scopus)

The influence of thin insulating lithium fluoride inserted pentacene layer on pentacene-based organic thin-film transistor

Park, D. S., Jeong, I. S., Kim, C. Y., Jang, W. C., Jeong, K., Yoo, K. H., Whang, C. N., Lee, Y. S. & Kim, S. O., 2006 Jan 20, In : Thin Solid Films. 495, 1-2, p. 385-388 4 p.

Research output: Contribution to journalConference article

lithium fluorides
Thin film transistors
Lithium
transistors
thin films
24 Citations (Scopus)

Thermal oxidation study on lead-free solders of Sn-Ag-Cu and Sn-Ag-Cu-Ge

Cho, S. W., Han, K., Yi, Y., Kang, S. J., Yoo, K. H., Jeong, K. & Whang, C. N., 2006 Feb 1, In : Advanced Engineering Materials. 8, 1-2, p. 111-114 4 p.

Research output: Contribution to journalArticle

solders
Oxidation
oxidation
Soldering alloys
X ray photoelectron spectroscopy