Hyun-Jin Koo

Ion-current diode with aqueous Gel/SiO2 nanofilm interfaces

Small (Weinheim An Der Bergstrasse, Germany), 6(13), 1393–1397.

Importance of the O−M−O Bridges (M = V⁵⁺, Mo⁶⁺) for the Spin-Exchange Interactions in the Magnetic Oxides of Cu²⁺ Ions Bridged by MO₄ Tetrahedra:  Spin-Lattice Models of Rb₂Cu₂(MoO₄)₃, BaCu₂V₂O₈, and KBa₃Ca₄Cu₃V₇O₂₈

Koo, H.-J., & Whangbo, M.-H. (2006, April 28). Inorganic Chemistry.

Importance of Supersuperexchange Interactions in Determining the Dimensionality of Magnetic Properties. Determination of Strongly Interacting Spin Exchange Paths in A₂Cu(PO₄)₂ (A = Ba, Sr), ACuP₂O₇ (Ba, Ca, Sr, Pb), CaCuGe₂O₆, and Cu₂UO₂(PO₄)₂ on the Basis of Qualitative Spin Dimer Analysis

Koo, H.-J., Dai, D., & Whangbo, M.-H. (2005, May 14). Inorganic Chemistry.

Understanding the color properties of(C5H9NH3)2CuBr4in high magnetic fields

Woodward, J. D., Choi, J., Musfeldt, J. L., Haraldsen, J. T., Wei, X., Koo, H.-J., … Turnbull, M. M. (2005, May 20). Physical Review B.

Investigation of the Origin of the Empirical Relationship between Refractive Index and Density on the Basis of First Principles Calculations for the Refractive Indices of Various TiO₂ Phases

Rocquefelte, X., Goubin, F., Koo, H.-J., Whangbo, M.-H., & Jobic, S. (2004, February 26). Inorganic Chemistry.

Spin dimer and classical spin analyses of the ordered magnetic structures of alkali iron pyrophosphates NaFeP2O7 and LiFeP2O7

Dalton Transactions (Cambridge, England : 2003), (19), 3019–3025.

A discussion on the apparently puzzling structural, electrical and magnetic properties of BaVS3

Whangbo, M.-H., Koo, H.-J., Dai, D., & Villesuzanne, A. (2003, October 15). Journal of Solid State Chemistry.

Analysis of the spin exchange interactions of ferromagnetic CdVO3 in terms of first principles and qualitative electronic structure calculations

Dai, D., Koo, H.-J., & Whangbo, M.-H. (2003, September 3). Journal of Solid State Chemistry.

Metal–ligand bonding and rutile- versus CdI2-type structural preference in platinum dioxide and titanium dioxide

Soulard, C., Rocquefelte, X., Jobic, S., Dai, D., Koo, H.-J., & Whangbo, M.-H. (2003, September 3). Journal of Solid State Chemistry.

Consequence of the Metal-Atom Clustering on the Magnetic Properties in Vanadium Sulfide V5S8

Koo, H.-J., Seo, D.-K., & Whangbo, M.-H. (2001, August 1). Journal of Solid State Chemistry.

Crystal structure, physical properties and electronic structure of a new organic conductor β″(BEDTTTF)2SF5CHFCF2SO3

Schlueter, J. A., Ward, B. H., Geiser, U., Wang, H. H., Kini, A. M., Parakka, J., … Gard, G. L. (2001, January 1). Journal of Materials Chemistry.

Electronic Transitions in Doped and Undoped Copper Germanate

Rudko, G. Y., Long, V. C., Musfeldt, J. L., Koo, H.-J., Whangbo, M.-H., Revcolevschi, A., … Bernholdt, D. E. (2001, March 1). Chemistry of Materials.

Electronic structure study of scanning tunneling microscopy images of the rutile TiO2(110) surface and their implications on the surface relaxation

Jung, D., Koo, H.-J., Dai, D., & Whangbo, M.-H. (2001, February 1). Surface Science.

Examination of the Anisotropic Spin Exchange Interactions of CuM2O6 (M=Sb, V, Nb) by Spin Dimer Analysis

Koo, H.-J., & Whangbo, M.-H. (2001, January 1). Journal of Solid State Chemistry.

Infrared and Optical Properties of β‘-(ET)₂SF₅CF₂SO₃:  Evidence for a 45 K Spin-Peierls Transition

Pigos, J. M., Jones, B. R., Zhu, Z.-T., Musfeldt, J. L., Homes, C. C., Koo, H.-J., … Gard, G. L. (2001, March 2). Chemistry of Materials.

On the Origin of the × Superstructure and the Anomalous Magnetic and Transport Properties of the Layered Compound Sr₆V₉S₂₂O₂

Gourdon, O., Evain, M., Jobic, S., Brec, R., Koo, H.-J., Whangbo, M.-H., … Chauvet*, N. O. (2001, May 10). Inorganic Chemistry.

Spin Dimer Analysis for Antiferromagnetic Spin Exchange Interactions of Magnetic Solids with Several Unpaired Electrons per Spin Site: Trends in the Spin Exchange Parameters of the Compounds Consisting of MnF5 Chains and CrX2 (X=O, S) Layers

Koo, H.-J., Whangbo, M.-H., Coste, S., & Jobic, S. (2001, February 1). Journal of Solid State Chemistry.

Spin Dimer Analysis of the Anisotropic Spin Exchange Interactions in the Distorted Wolframite-Type Oxides CuWO₄, CuMoO₄-III, and Cu(Mo_0.25W_0.75)O₄

Koo, H.-J., & Whangbo, M.-H. (2001, March 24). Inorganic Chemistry.

Structural and electronic features of BaIrO3 causing the simultaneous occurrence of weak ferromagnetism and charge density wave formation

Whangbo, M.-H., & Koo, H.-J. (2001, June 1). Solid State Communications.

Theoretical Study of Possible Iridium Ditelluride Phases Attainable under High Pressure

Jobic, S., Brec, R., Pasturel, A., Koo, H.-J., & Whangbo, M.-H. (2001, November 1). Journal of Solid State Chemistry.

Variance Tolerancing and Decomposition in Short-Staple Spinning Processes. Part II: Simulations and Applications to Ring and OE Spun Yarns

Suh, M. W., Koo, H.-J., & Woo, J. L. (2001, February 1). Textile Research Journal.

Variance Tolerancing and Decomposition in Short-Staple Spinning Processes: Part I: Modeling Spun Yarn Strength Through Intrinsic Components

Koo, H.-J., Suh, M. W., & Woo, J. L. (2001, January 1). Textile Research Journal.

Analysis of nearest-neighbor spin exchange interactions by molecular orbital calculations: anisotropic spin exchange interactions in MV3O7 (M=Cd, Ca, Sr) and α′-NaV2O5

Whangbo, M.-H., Koo, H.-J., & Lee, K.-S. (2000, March 1). Solid State Communications.

Analysis of the Spin Exchange Interactions in the Extended Magnetic Solids K2NiF4, K2CuF4, La2CuO4, Nd2CuO4, KNiF3, and KCuF3

Koo, H.-J., & Whangbo, M.-H. (2000, April 1). Journal of Solid State Chemistry.

Analysis of the Spin Exchange Interactions in the Three Phases of Vanadium Pyrophosphate, (VO)₂P₂O₇, in Terms of Spin−Orbital Interaction Energy

Koo, H.-J., & Whangbo, M.-H. (2000, July 11). Inorganic Chemistry.

Electronic Band Structure Study of A2Mo9S11 (A=K, Rb) and K1.8Mo9S11

Koo, H.-J., Whangbo, M.-H., Picard, S., Jobic, S., Potel, M., & Gougeon, P. (2000, November 1). Journal of Solid State Chemistry.

Investigation of the spin exchange interactions in the nanotube system Na2V3O7 by spin dimer analysis

Whangbo, M.-H., & Koo, H.-J. (2000, August 1). Solid State Communications.

Investigations of the Fermi surface of a new organic metal: (BEDT-TTF) ₄ [ Ni(dto) ₂ ]

Schiller, M., Schmidt, W., Balthes, E., Schweitzer, D., Koo, H.-J., Whangbo, M. H., … Strunz, W. (2000, July 1). Europhysics Letters (EPL).

Ligand influences on the structures of molybdenum oxide networks

Long-Range Magnetic Order in Mn[N(CN)₂]₂(pyz) {pyz = pyrazine}. Susceptibility, Magnetization, Specific Heat, and Neutron Diffraction Measurements and Electronic Structure Calculations

Manson, J. L., Huang, Q.-zhen, Lynn, J. W., Koo, H.-J., Whangbo, M.-H., Bateman, R., … Miller, J. S. (2000, December 14). Journal of the American Chemical Society.

Molecular Self-Assembly on Surfaces of Organic Conducting Salts:  Epitaxial Monolayer Films of Naphthalene on the (001) Surface of (TMTSF)₂PF₆

Bartlett, P. N., Essex, J. W., Koo, H.-J., Nandhakumar, I. S., Robertson, N., & Whangbo, M.-H. (2000, July 19). The Journal of Physical Chemistry B.

Optical Spectra and Electronic Band Structure Calculations of β‘ ‘-(ET)₂SF₅RSO₃ (R = CH₂CF₂, CHFCF₂, and CHF):  Changing Electronic Properties by Chemical Tuning of the Counterion

Jones, B. R., Olejniczak, I., Dong, J., Pigos, J. M., Zhu, Z. T., Garlach, A. D., … Gard, G. L. (2000, August 1). Chemistry of Materials.

Origin of the spin gap in sodium vanadium bronze Na9V14O35

Whangbo, M.-H., & Koo, H.-J. (2000, June 1). Solid State Communications.

Spin Dimer Analysis of the Spin Exchange Interactions of the Vanadium Oxides AV4O9 (A=Ca, Sr, Cs2, NH2(CH2)4NH2)

Koo, H.-J., & Whangbo, M.-H. (2000, September 1). Journal of Solid State Chemistry.

Study of the 18-electron band gap and ferromagnetism in semi- Heusler compounds by nea-spin-polarized electronic band structure calculations

Journal of Molecular Structure [Including Theochem], 527(2000 Aug. 4), 113–119.

Synthesis and Crystal Structure Determination of a New Pressure-Induced Iridium Ditelluride Phase, m-IrTe₂, and Comparison of the Crystal Structures and Relative Stabilities of Various IrTe₂ Polymorphs

Jobic, S., Brec, R., Chateau, C., Haines, J., Léger, J.-M., Koo, H.-J., & Whangbo, M.-H. (2000, August 30). Inorganic Chemistry.

Analysis of Bonding and d-Electron Count in the Transition-Metal Carbides and Transition-Metal-Silicide Carbides with Discrete Linear M−C−M Units (M = Cr, Fe, Re) by Electronic Structure Calculations

Koo, H.-J., & Whangbo, M.-H. (1999, April 15). Inorganic Chemistry.

Analysis of the spin–spin interactions in layered oxides α′-NaV 2 O 5 , CaV 2 O 5 and MgV 2 O 5 and the spin-Peierls distortion in α′-NaV 2 O 5 by molecular orbital, Madelung energy and bond valence sum calculations

Koo, H.-J., & Whangbo, M.-H. (1999, July 1). Solid State Communications.

Calculations and Analysis of the Electronic Structures of Transition-Metal Phosphosilicides Cu4SiP8, IrSi3P3, CoSi3P3, and FeSi4P4

Lee, K.-S., Koo, H.-J., Ren, J., & Whangbo, M.-H. (1999, October 1). Journal of Solid State Chemistry.

Development of optimal HVI strength index for prediction of yarn tensile strength

Beltwide Cotton Conferences. Proceedings, 1(1999), 706–708.

High field optical response of

Zhu, Z., Long, V. C., Musfeldt, J. L., Wei, X., Sarrao, J., Fisk, Z., … Whangbo, M.-H. (1999, December 1). Journal De Physique IV (Proceedings).

In-Plane ESR Microwave Conductivity Measurements and Electronic Band Structure Studies of the Organic Superconductor β‘ ‘-(BEDT−TTF)₂SF₅CH₂CF₂SO₃

Wang, H. H., VanZile, M. L., Schlueter, J. A., Geiser, U., Kini, A. M., Sche, P. P., … Gard, G. L. (1999, June 11). The Journal of Physical Chemistry B.

Maximizing Yarn and Fabric Strength Through Variance of HVI Elongation

Koo, H.-J., & Suh, M. W. (1999, June 1). Textile Research Journal.

Polarized optical reflectance and electronic band structure ofα′−NaV2O5

Long, V. C., Zhu, Z., Musfeldt, J. L., Wei, X., Koo, H.-J., Whangbo, M.-H., … Revcolevschi, A. (1999, December 15). Physical Review. B, Condensed Matter.

Spin−Spin Interactions in the Oxides A₃M‘MO₆(M = Rh, Ir; A = Ca, Sr; M‘ = Alkaline Earth, Zn, Cd, Na) of the K₄CdCl₆Structure Type Examined by Electronic Structure Calculations

Lee, K.-S., Koo, H.-J., & Whangbo, M.-H. (1999, April 14). Inorganic Chemistry.

Estimation of HVI bundle modulus and toughness as determinants to tensile properties of spun yarns

Beltwide Cotton Conferences. Proceedings, 2(1998), 1530–1536.

On the origin of the anomalous electrical resistivity of LnMo5O8 (Ln=TRIVALENT rare earth)

Koo, H.-J., Whangbo, M.-H., McCarroll, W. H., Greenblatt, M., Gautier, R., Halet, J.-F., & Gougeon, P. (1998, October 1). Solid State Communications.

Prediction of yarn tensile properties based on HVI testing of 36 U.S. upland cottons

Beltwide Cotton Conferences. Proceedings, 1(1998), 786–790.

Similarities and Differences in the Structural and Electronic Properties of Ruthenium and Iridium PyrochloresA2M2O7−(M=Ru, Ir)

Koo, H.-J., Whangbo, M.-H., & Kennedy, B. J. (1998, March 1). Journal of Solid State Chemistry.

Spinning quality/process improvement through variance tolerancing

Beltwide Cotton Conferences. Proceedings, 1(1997), 691–696.