• 5157 Citations
  • 40 h-Index
1989 …2020

Research output per year

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Research Output

  • 5157 Citations
  • 40 h-Index
  • 185 Article
  • 5 Conference article
  • 2 Conference contribution
  • 1 Paper
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Article
1989

He diffraction study of the structural phase transition on the Ge(111) surface at 550 K

Ha, J. S. & Greene, E. F., 1989, In : The Journal of chemical physics. 91, 12, p. 7957-7963 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Observation of phase transitions on the (111) and (100) surfaces of Si near 1000 K with He atom diffraction

Ha, J. S. & Greene, E. F., 1989, In : The Journal of chemical physics. 91, 1, p. 571-576 6 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)
1991

Measurement of low energy frustrated vibrational modes of CO on Ni(111) via inelastic electron scattering

Ha, J. S. & Sibener, S. J., 1991 Oct 2, In : Surface Science. 256, 3, p. 281-287 7 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)
1993
8 Citations (Scopus)
1994

Molecular configuration of isotactic PMMA Langmuir-Blodgett films observed by scanning tunnelling microscopy

Kim, J. J., Jung, S. D., Roh, H. S. & Ha, J. S., 1994 May 1, In : Thin Solid Films. 244, 1-2, p. 700-704 5 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Scanning tunneling microscopy investigation of the surface structures of natural MoS2

Ha, J. S., Roh, H. S., Park, S. J., Yi, J. Y. & Lee, E. H., 1994 Aug 10, In : Surface Science. 315, 1-2, p. 62-68 7 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Stability and transformation of 20-atom carbon clusters

Jae-Yel Yi, Y., Jeong Sook Ha, S. H., Seong-Ju Park, P. & El-Hang Lee, L., 1994 Nov, In : Journal of Physics and Chemistry of Solids. 55, 11, p. 1347-1352 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1995

Atomic structure of Ga and As atoms on GaAs(110)

Yi, J. Y., Koo, J. Y., Lee, S., Ha, J. S. & Lee, E. H., 1995, In : Physical Review B. 52, 15, p. 10733-10736 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
12 Citations (Scopus)

Stability and dynamics of surface vacancies on GaAs(110)

Yi, J. Y., Ha, J. S., Park, S. J. & Lee, E. H., 1995, In : Physical Review B. 51, 16, p. 11198-11200 3 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

Surface morphology of (NH42sx-treated gaas(100) investigated by scanning tunneling microscopy

Sook Ha, J., Kim, S. B., Park, S. J. & Lee, E. H., 1995 Feb, In : Japanese journal of applied physics. 34, 2S, p. 1123-1126 4 p.

Research output: Contribution to journalArticle

1996

AB initio study on fragmentation of C60 into C58 and C2

Yi, J. Y., Koo, J. Y., Lee, S., Ha, J. S. & Lee, E. H., 1996 Mar, In : Solid State Communications. 97, 9, p. 795-798 4 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Surface morphology of InGaAs on GaAs(100) by chemical beam epitaxy using unprecracked monoethylarsine, triethylgallium and trimethylindium

Park, S. J., Ro, J. R., Ha, J. S., Kim, S. B., Park, H. H., Lee, E. H., Yi, J. Y. & Lee, J. Y., 1996 Apr 20, In : Surface Science. 350, 1-3, p. 221-228 8 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1997

AFM modification of hydrogen-passivated Si(100) in the contact mode in air

Lee, H. T., Oh, J. S., Park, S. J., Park, K. H., Ha, J. S., Lee, E. H. & Koo, J. Y., 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 1, p. S66-S69

Research output: Contribution to journalArticle

Ag growth on Si(111) with an Sb surfactant investigated by scanning tunneling microscopy

Park, K. H., Ha, J. S., Park, S. J. & Lee, E. H., 1997 May 15, In : Surface Science. 380, 2-3, p. 258-263 6 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Ag growth on Si with an Sb surfactant investigated by LEED and STM

Park, K. H., Ha, J. S., Yun, W. S., Lee, E. H. & Park, S. J., 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 1, p. S27-S30

Research output: Contribution to journalArticle

2 Citations (Scopus)

Atomic structure and formation kinetics of the Sb/Si(111)-× surface

Park, K. H., Ha, J. S., Yun, W. S., Lee, E. H. & Yi, J. Y., 1997, In : Physical Review B - Condensed Matter and Materials Physics. 55, 15, p. 9267-9270 4 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Atomic structure of Sb/Si(111)-5√3 × 5√3 surface

Park, K. H., Ha, J. S., Yun, W. S., Lee, E. H., Yi, J. Y. & Park, S. J., 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 1, p. S35-S38

Research output: Contribution to journalArticle

1 Citation (Scopus)

Evolution of surface morphology in the initial stage of nitridation of the Si(111)-7 × 7 surface by nitrogen ions

Ha, J. S., Park, K. H., Yun, W. S., Lee, E. H. & Park, S. J., 1997 Nov, In : Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 15, 6, p. 1893-1898 6 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Nanometer-scale lithography on H-passivated Si(100) by atomic force microscope in air

Lee, H. T., Oh, J. S., Park, S. J., Park, K. H., Ha, J. S., Yoo, H. J. & Koo, J. Y., 1997, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 15, 3, p. 1451-1454 4 p.

Research output: Contribution to journalArticle

35 Citations (Scopus)

Room temperature observation of single electron tunneling effect in self-assembled metal quantum dots on a semiconductor substrate

Park, K. H., Ha, J. S., Yun, W. S., Shin, M., Park, K. W. & Lee, E. H., 1997 Sep 15, In : Applied Physics Letters. 71, 11, p. 1469-1471 3 p.

Research output: Contribution to journalArticle

54 Citations (Scopus)

Scanning tunneling microscope study of Sb/Si(111)-5 3√×5√ structure

Park, K. H., Ha, J. S., Yun, W. S., Lee, E. H., Yi, J. Y. & Park, S. J., 1997, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 15, 3, p. 1572-1575 4 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)

STM modification of hydrogen passivated Si(100) surface by a very low voltage mode in air

Oh, J. S., Lee, H. T., Park, S. J., Park, K. H., Ha, J. S., Lee, E. H. & Koo, J. Y., 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 1, p. S62-S65

Research output: Contribution to journalArticle

1 Citation (Scopus)

STM studies on the structural evolution of N 2 + ion induced nitride formation on Si(111)-7×7 surface

Ha, J. S., Park, K. H., Yun, W. S., Lee, E. H. & Park, S. J., 1997, In : Journal of the Korean Physical Society. 31, SUPPL. PART 1, p. S19-S22

Research output: Contribution to journalArticle

Uniform Ag thin film growth on an Sb-terminated Si(111) surface

Park, K. H., Ha, J. S. & Lee, E. H., 1997 Jul, In : ETRI Journal. 19, 2, p. 71-80 10 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
1998

Initial stage of Ag epitaxial growth on Sb-terminated Si(111) surface

Park, K. H., Ha, J. S., Yun, W. S. & Lee, E. H., 1998 May 12, In : Surface Science. 405, 1, p. 46-53 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Interaction of low-energy nitrogen ions with an Si.111/-7 × 7 surface: STM and LEED investigations

Ha, J. S., Park, K. H., Yun, W. S., Lee, E. H. & Park, S. J., 1998, In : Applied Physics A: Materials Science and Processing. 66, SUPPL. 1, p. S495-S499

Research output: Contribution to journalArticle

12 Citations (Scopus)

Nanometer scale selective etching of Si(111) surface using silicon nitride islands

Ha, J. S., Park, K. H., Yun, W. S. & Lee, E. H., 1998, In : Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 16, 5, p. 2806-2810 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Self-organization of uniform Ag nano-clusters on Sb-terminated Si(100) surface

Park, K. H., Ha, J. S., Yun, W. S. & Lee, E. H., 1998 Oct 9, In : Surface Science. 415, 3, p. 320-327 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Site seectivity in the initial oxidation of the Si(111)-7 X 7 surface

Ha, J. S., Park, K. H., Lee, E. H. & Park, S. J., 1998 Apr, In : Applied Surface Science. 126, 3-4, p. 317-322 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1999

Ab Initio study of the mixed dimer formation in Ge growth on Si(100)

Ko, Y. J., Park, K. H., Ha, J. S. & Yun, W. S., 1999, In : Physical Review B - Condensed Matter and Materials Physics. 60, 11, p. 8158-8163 6 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Atomic structure of the sb-induced (formula presented) surface: ab initio calculations

Ko, Y., Park, K., Ha, J. S. & Yun, W. S., 1999, In : Physical Review B - Condensed Matter and Materials Physics. 59, 7, p. 4588-4591 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Coulomb blockade and staircases in self-organized Ag nanoclusters on Sb-terminated Si(100) surfaces

Yun, W. S., Park, K. H., Ha, J. S., Ko, Y. J. & Park, K., 1999, In : Journal of the Korean Physical Society. 34, SUPPL. 1, p. s81-s84

Research output: Contribution to journalArticle

3 Citations (Scopus)

Fabrication of lateral single-electron tunneling structures by field-induced manipulation of Ag nanoclusters on a silicon surface

Park, K. H., Shin, M., Ha, J. S., Yun, W. S. & Ko, Y. J., 1999 Jul 5, In : Applied Physics Letters. 75, 1, p. 139-141 3 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Field-induced manipulation of Ag clusters for tailoring of nanostructures on a silicon surface

Park, K. H., Ha, J. S., Yun, W. S. & Lee, E. H., 1999, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 17, 4, p. 1441-1444 4 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Interaction of nitrogen with Si(111)-7 × 7 surfaces at elevated temperatures

Ha, J. S., Park, K. H., Yun, W. S., Ko, Y. J. & Kim, S. K., 1999 May 20, In : Surface Science. 426, 3, p. 373-383 11 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Silicon nanostructures via selective surface chemical reactions under ultrahigh vacuum

Yun, W. S., Ha, J. S., Park, K. H. & Lee, E. H., 1999, In : Journal of the Korean Physical Society. 35, SUPPL. 2, p. S134-S138

Research output: Contribution to journalArticle

1 Citation (Scopus)

Silicon nitride islands as oxidation masks for the formation of silicon nanopillars

Ha, J. S., Park, K. H., Yun, W. S. & Lee, E. H., 1999, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 17, 4, p. 1294-1299 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2000

Atomic structure and energetics of vacancies in a sublayer of GaAs(110)

Yi, J. Y., Koo, J. Y., Lee, S., Shin, D. H. & Ha, J. S., 2000, In : Surface Review and Letters. 7, 1-2, p. 55-59 5 p.

Research output: Contribution to journalArticle

Coulomb staircases by lateral tunneling between adjacent nanoclusters formed on Si surfaces

Park, K. H., Ha, J. S., Yun, W. S., Shin, M. & Ko, Y. J., 2000 Sep, In : Journal of Vacuum Science and Technology B: Microelectronics and Nanometer Structures. 18, 5, p. 2365-2370 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Green-function calculations of coherent electron transport in a gated Si nanowire

Ko, Y. J., Shin, M., Ha, J. S. & Park, K. W., 2000 Sep, In : ETRI Journal. 22, 3, p. 19-26 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Mixed Ge-Si dimer formation in Ge/Si(100) and Si/Ge(100) growth

Ko, Y. J., Park, K. H., Ha, J. S. & Yun, W. S., 2000, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 39, 7 B, p. 4295-4297 3 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2001

Arrangement of silicon nano-dots along step edges of a Si(111) surface: STM investigation

Ha, J. S., Park, K. H., Ko, Y. J. & Park, K. W., 2001 Sep, In : Journal of the Korean Physical Society. 39, 3, p. 436-439 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Initial stages of Fe growth on clean and Sb-terminated Si(1 0 0) surfaces

Park, K. H., Sook Ha, J. & Soo Yun, W., 2001 Oct 10, In : Surface Science. 492, 1-2, p. 34-40 7 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2 Citations (Scopus)
2002
1 Citation (Scopus)
2003

Er3+ photoluminescence from Er-doped amorphous SiOx films prepared by pulsed laser deposition at room temperature: The effects of oxygen concentration

Ha, J. S., Bae, C. H., Nam, S. H., Park, S. M., Jang, Y. R., Yoo, K. H. & Park, K., 2003 May 19, In : Applied Physics Letters. 82, 20, p. 3436-3438 3 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Fabrication of Silicon Nano-Crystals via a Hemispherically Grained Si Process

Kang, T. W., Park, J., Maeng, S., Jang, M. G., Lee, S. J., Yang, Y. H., Hur, W. J., Park, K. & Ha, J. S., 2003 Nov, In : Journal of the Korean Physical Society. 43, 5 II, p. 898-902 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)