• 4924 Citations
  • 36 h-Index
1986 …2019

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2019

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

20 Citations (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
2 Citations (Scopus)

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

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
4 Citations (Scopus)

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

2018

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
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

3 Citations (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

2 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

3 Citations (Scopus)
2017

High-k perovskite gate oxide BaHfO3

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

11 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

3 Citations (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

1 Citation (Scopus)
2016

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

55 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

11 Citations (Scopus)
2015

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, 036101.

Research output: Contribution to journalArticle

57 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

22 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

34 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

13 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

9 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

48 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

22 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

34 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

36 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

14 Citations (Scopus)
2014

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

39 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

33 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

40 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

19 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

8 Citations (Scopus)
2013

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

8 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

9 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

16 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

18 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

10 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

2 Citations (Scopus)
2012

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

4 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

9 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

3 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

898 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

150 Citations (Scopus)
9 Citations (Scopus)
2011

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

14 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

10 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

18 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

5 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

18 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

15 Citations (Scopus)
2010

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

26 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

2 Citations (Scopus)

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