Hyun-Joo Koo

Murtazoev, A. F., Berdonosov, P. S., Lyssenko, K. A., Dolgikh, V. A., Geidorf, M. Y., Volkova, O. S., … Vasiliev, A. N. (2023, June 15). A cascade of magnetic phase transitions and a 1/3-magnetization plateau in selenite-selenate Co-3(SeO3)(SeO4)(OH)(2) with kagome-like Co2+ ion layer arrangements: the importance of identifying a correct spin lattice. DALTON TRANSACTIONS. https://doi.org/10.1039/d3dt01620j

Yakubovich, O. V. V., Shvanskaya, L. V. V., Kiriukhina, G. V. V., Simonov, S. V. V., Volkov, A. S. S., Dimitrova, O. V. V., … Vasiliev, A. N. N. (2023, August 18). K2Mn3O(OH)(VO4)(V2O7) with Sawtooth Chains of Multivalent Manganese Triangular Trimer Units: Magnetic Susceptibility Shrouding a Long-Range Antiferromagnetic Order of Ferromagnetic Triangles. INORGANIC CHEMISTRY. https://doi.org/10.1021/acs.inorgchem.3c01100

Bazhan, R. V., Nalbandyan, V. B., Vasilchikova, T. M., Koo, H.-J., Whangbo, M.-H., & Vasiliev, A. N. (2023, June 14). Successive short- and long-range magnetic ordering in rosiaite-type CoGeTeO6 prepared by ion-exchange reaction. DALTON TRANSACTIONS. https://doi.org/10.1039/d3dt01164j

Whangbo, M.-H., Koo, H.-J., Bruecher, E., Puphal, P., & Kremer, R. K. (2022). Absence of Spin Frustration in the Kagome Layers of Cu2+ Ions in Volborthite Cu3V2O7(OH)(2)center dot 2H(2)O and Observation of the Suppression and Re-Entrance of Specific Heat Anomalies in Volborthite under an External Magnetic Field. CONDENSED MATTER, 7(1). https://doi.org/10.3390/condmat7010024

Whangbo, M.-H., Koo, H.-J., & Kremer, R. K. (2021). [Review of Spin Exchanges between Transition Metal Ions Governed by the Ligand p-Orbitals in Their Magnetic Orbitals]. MOLECULES, 26(3). https://doi.org/10.3390/molecules26030531

Koo, H.-J., Shankar, R. P. N., Orlandi, F., Sundaresan, A., & Whangbo, M.-H. (2020). On Ferro- and Antiferro-Spin-Density Waves Describing the Incommensurate Magnetic Structure of NaYNiWO6. INORGANIC CHEMISTRY, 59(24), 17856–17859. https://doi.org/10.1021/acs.inorgchem.0c02651

Koo, H.-J., Kremer, R. K., & Whangbo, M.-H. (2020). Orbital Magnetic Moments of the High-Spin Co2+ Ions at Axially-Elongated Octahedral Sites: Unquenched as Reported from Experiment or Quenched as Predicted by Theory? INORGANIC CHEMISTRY, 59(24), 18319–18324. https://doi.org/10.1021/acs.inorgchem.0c02929

Vasilchikova, T., Nalbandyan, V., Shukaev, I., Koo, H.-J., Whangbo, M.-H., Lozitskiy, A., … Zvereva, E. (2020). Peculiarities of magnetic ordering in the S=5/2 two-dimensional square-lattice antimonate NaMnSbO4. PHYSICAL REVIEW B, 101(5). https://doi.org/10.1103/PhysRevB.101.054435

Sorolla, M., II, Wang, X., Koo, H.-J., Whangbo, M.-H., & Jacobson, A. J. (2020). Synthesis of the Elusive S=1/2 Star Structure: A Possible Quantum Spin Liquid Candidate. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 142(11), 5013–5016. https://doi.org/10.1021/jacs.0c00901

Koo, H.-J., & Whangbo, M.-H. (2019). Effect of Nonmagnetic Ion Deficiency on Magnetic Structure: Density Functional Study of Sr2MnO2Cu2-xTe2, Sr2MO2Cu2Te2 (M = Co, Mn), and the Oxide-Hydrides Sr2VO3H, Sr3V2O5H2, and SrVO2H. INORGANIC CHEMISTRY, 58(21), 14769–14776. https://doi.org/10.1021/acs.inorgchem.9b02456

Whangbo, M.-H., Xiang, H., Koo, H.-J., Gordon, E. E., & Whitten, J. L. (2019). Electronic and Structural Factors Controlling the Spin Orientations of Magnetic Ions. Inorganic Chemistry, 58(18), 11854–11874. https://doi.org/10.1021/acs.inorgchem.9b00687

Uma, S., Vasilchikova, T., Sobolev, A., Raganyan, G., Sethi, A., Koo, H.-J., … Zvereva, E. (2019). Synthesis and Characterization of Sodium-Iron Antimonate Na2FeSbO5: One-Dimensional Antiferromagnetic Chain Compound with a Spin-Glass Ground State. INORGANIC CHEMISTRY, 58(17), 11333–11350. https://doi.org/10.1021/acs.inorgchem.9b00212

Koo, H.-J., Kasapbasi, E. E., Whitten, J. L., & Whangbo, M.-H. (2019). The Conceptual Dilemma of the One-Electron Picture in Describing the Uniaxial Magnetism at Linear Coordination Sites. European Journal of Inorganic Chemistry, 2019(21), 2630–2634. https://doi.org/10.1002/ejic.201900370

Dorolti, E., Cario, L., Corraze, B., Janod, E., Vaju, C., Koo, H.-J., … Whangbo, M.-H. (2010). Half-Metallic Ferromagnetism and Large Negative Magnetoresistance in the New Lacunar Spinel GaTi3VS8. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 132(16), 5704–5710. https://doi.org/10.1021/ja908128b

Koo, H.-J., & Whangbo, M.-H. (2008). Analysis of the spin lattice model for the spin-gapped layered compounds Na3Cu2SbO6 and Na2Cu2TeO6 on the basis of electronic structure calculations. INORGANIC CHEMISTRY, 47(1), 128–133. https://doi.org/10.1021/ic701153z

Koo, H.-J., Lee, C., Wilson-Short, G. B., Dai, D., & Whangbo, M.-H. (2007). On the relevance of an antiferromagnetic dimer model for the spin-gapped magnetic solids Cu(terpy)Mo2O7 and Cu(OH)(p-pyc)H2O. INORGANIC CHEMISTRY, 46(7), 2498–2502. https://doi.org/10.1021/ic061897p

Koo, H.-J., & Whangbo, M.-H. (2007). Spin dimer analysis of the magnetic structures of A(2)V(3)O(9) (A = Ba, Sr) and eta-Na9V14O35: Importance of the V4+-O center dot center dot center dot O-V4+ super- superexchange interactions mediated by the O-V5+-O bridges. SOLID STATE SCIENCES, 9(9), 824–832. https://doi.org/10.1016/j.solidstatesciences.2007.06.013

Koo, H.-J., Lee, K.-S., & Whangbo, M.-H. (2006). Spin dimer analysis of the magnetic structures of Ba3Cr2O8, Ba3Mn2O8, Na4FeO4, and Ba2CoO4 with a three-dimensional network of isolated MO4 (M = Cr, Mn, Fe, Co) tetrahedra. INORGANIC CHEMISTRY, 45(26), 10743–10749. https://doi.org/10.1021/ic061773c

Woodward, J. D., Backov, R. V., Abboud, K. A., Dai, D., Koo, H. J., Whangbo, M. H., … Talham, D. R. (2005). Dramatic variation of magnetic exchange through double end-on azide bridges in a series of ladder-like copper(II) coordination polymers. INORGANIC CHEMISTRY, 44(3), 638–648. https://doi.org/10.1021/ic049175q

Soulard, C., Rocquefelte, X., Petit, P. E., Evain, M., Jobic, S., Itie, J. P., … Whangbo, M. H. (2004). Experimental and theoretical investigation on the relative stability of the PdS2- and pyrite-type structures of PdSe2. Inorganic Chemistry, 43(6), 1943–1949. https://doi.org/10.1021/ic035396

Dai, D., Koo, H. J., & Whangbo, M. H. (2004). Investigation of the incommensurate and commensurate magnetic superstructures of LiCuVO4 and CuO on the basis of the isotropic spin exchange and classical spin approximations. INORGANIC CHEMISTRY, 43(13), 4026–4035. https://doi.org/10.1021/ic035314c

Manson, J. L., Schlueter, J. A., Koo, H. J., & Whangbo, M. H. (2004). Reexamination of the magnetic properties of Cu-2(dca)(4)(2,5-me(2)pyz) {dca = dicyanamide; me(2)pyz = dimethylpyrazine}: isolated spin-1/2 dimers versus long-range magnetic ordering. INORGANIC CHEMISTRY, 43(13), 4007–4011. https://doi.org/10.1021/ic0354769

Shikano, M., Kremer, R. K., Ahrens, M., Koo, H. J., Whangbo, M. H., & Darriet, J. (2004). Synthesis and characterization of a magnetic semiconductor Na2RuO4 containing one-dimensional chains of RU6+. Inorganic Chemistry, 43(1), 07-.

Manson, J. L., Lecher, J. G., Gu, J. Y., Geiser, U., Schlueter, J. A., Henning, R., … Whangbo, M. H. (2003). Cu(HCO2)(2)L {L = pyrazine, 4,4 '-bipyridine}: employing the formate anion as a building block in three-dimensional coordination polymers. DALTON TRANSACTIONS, (14), 2905–2911. https://doi.org/10.1039/b302631k

Whangbo, M. H., Koo, H. J., Dai, D., & Jung, D. (2003). Interpretation of the magnetic structures of Cu2Te2O5X2 (X = Cl, Br) and Ca3.1Cu0.9RuO6 on the basis of electronic structure considerations: Cases for strong super-superexchange interactions involving Cu2+ ions. Inorganic Chemistry, 42(12), 3898–3906. https://doi.org/10.1021/ic020551

Koo, H. J., Whangbo, M. H., & Lee, K. (2003). Investigation of the spin exchange interactions and magnetic structures of the CrVO4-type transition metal phosphates, sulfates, and vanadates by spin dimer analysis. INORGANIC CHEMISTRY, 42(19), 5932–5937. https://doi.org/10.1021/ic030115e

Whangbo, M. H., Dai, D., Koo, H. J., & Jobic, S. (2003). Investigations of the oxidation states and spin distributions in Ca3Co2O6 and Ca3CoRhO6 by spin-polarized electronic band structure calculations. SOLID STATE COMMUNICATIONS, 125(7-8), 413–417. https://doi.org/10.1016/S0038-1098(02)00872-4

Koo, H. J., & Whangbo, M. H. (2003). Magnetic superstructures of cupric oxide CuO as ordered arrangements of one-dimensional antiferromagnetic chains. INORGANIC CHEMISTRY, 42(4), 1187–1192. https://doi.org/10.1021/ic020576k

Whangbo, M. H., Koo, H. J., & Dai, D. (2003). [Review of Spin exchange interactions and magnetic structures of extended magnetic solids with localized spins: theoretical descriptions on formal, quantitative and qualitative levels]. JOURNAL OF SOLID STATE CHEMISTRY, 176(2), 417–481. https://doi.org/10.1016/S0022-4596(03)00273-1

Gauthier, G., Jobic, S., Evain, M., Koo, H. J., Whangbo, M. H., Fouassier, C., & Brec, R. (2003). Syntheses, structures, and optical properties of yellow Ce2SiS5, Ce6Si4S17, and Ce4Si3S12 materials. CHEMISTRY OF MATERIALS, 15(4), 828–837. https://doi.org/10.1021/cm0211711

Montgomery, L. K., Starkey, K. P., Engel, D. B., Bollinger, J., Tittelbach, M., Schweitzer, D., … Whangbo, M. H. (2003, March 13). Synthesis of the highly ID conductor (THTTF)(4)I-19. SYNTHETIC METALS, Vol. 133, pp. 381–383. https://doi.org/10.1016/S0379-6779(02)00409-5

Shultz, D. A., Vostrikova, K. E., Bodnar, S. H., Koo, H. J., Whangbo, M. H., Kirk, M. L., … Kampf, J. W. (2003). Trends in metal-biradical exchange interaction for first-row M-II(nitronyl nitroxide-semiquinone) complexes. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 125(6), 1607–1617. https://doi.org/10.1021/ja020715x

Dai, D., Koo, H. J., Whangbo, M. H., Soulard, C., Rocquefelte, X., & Jobic, S. (2003). Trends in the structure and bonding in the layered platinum dioxide and dichalcogenides PtQ(2) (Q = O, S, Se, Te). JOURNAL OF SOLID STATE CHEMISTRY, 173(1), 114–121. https://doi.org/10.1016/s0022-4596(03)00100-2

Deplano, P., Leoni, L., Mercuri, M. L., Schlueter, J. A., Geiser, U., Wang, H. H., … Whangbo, M. H. (2002). A two-dimensional radical salt based upon BEDT-TTF and the dimeric, magnetic anion [Fe(tdas)(2)](2)(2-): (BEDT-TTF)(2)[Fe(tdas)(2)] (tdas=1,2,5-thiadiazole-3,4-dithiolate). JOURNAL OF MATERIALS CHEMISTRY, 12(12), 3570–3577. https://doi.org/10.1039/b204435h

Whangbo, M. H., Koo, H. J., Dai, D., & Villesuzanne, A. (2002). Analysis of the electron localization, the anisotropy of electrical conductivity, the orbital ordering, and spin-exchange interactions in BaVS3 on the basis of first principles and semi-empirical electronic structure calculations. JOURNAL OF SOLID STATE CHEMISTRY, 165(2), 345–358. https://doi.org/10.1006/jssc.2002.9550

Zhu, Z. T., Musfeldt, J. L., Koo, H. J., Whangbo, M. H., Teweldemedhin, Z. S., & Greenblatt, M. (2002). Dimensionality effects on the optical properties of (PO2)(4)(WO3)(2m) (m=2, 4, 6, 7). CHEMISTRY OF MATERIALS, 14(6), 2607–2615. https://doi.org/10.1021/cm011675j

Whangbo, M. H., Koo, H. J., Dai, D., & Jung, D. (2002). Effect of metal-ligand bond lengths on superexchange interactions in Jahn-Teller d(4) ion systems: Spin dimer analysis of the magnetic structure of marokite CaMn2O4. INORGANIC CHEMISTRY, 41(21), 5575–5581. https://doi.org/10.1021/ic0202458

Whangbo, M. H., Koo, H. J., Villesuzanne, A., & Pouchard, M. (2002). Effect of metal-oxygen covalent bonding on the competition between Jahn-Teller distortion and charge disproportionation in the perovskites of high-spin d(4) metal ions LaMnO3 and CaFeO3. Inorganic Chemistry, 41(7), 1920–1929. https://doi.org/10.1021/ic0110427

Rozier, P., Galy, J., Chelkowska, G., Koo, H. J., & Whangbo, M. H. (2002). Electrical resistivity, magnetic susceptibility, X-ray photoelectron spectroscopy, and electronic band structure studies of Cu-2.33-xV4O11. JOURNAL OF SOLID STATE CHEMISTRY, 166(2), 382–388. https://doi.org/10.1006/jssc.2002.9609

Koo, H. J., Whangbo, M. H., VerNooy, P. D., Torardi, C. C., & Marshall, W. J. (2002). Flux growth of vanadyl pyrophosphate, (VO)(2)P2O7, and spin dimer analysis of the spin exchange interactions of (VO)(2)P2O7 and vanadyl hydrogen phosphate, VO(HPO4)center dot 0.5H(2)O. INORGANIC CHEMISTRY, 41(18), 4664–4672. https://doi.org/10.1021/ic020249c

Clayhold, J. A., Ulutagay-Kartin, M., Hwu, S. J., Koo, H. J., Whangbo, M. H., Voigt, A., & Eaiprasertsak, K. (2002). Magnetic properties of the low-dimensional cuprate Na5RbCu4(AsO4)(4)Cl-2. Physical Review. B, Condensed Matter and Materials Physics, 66(5), 052403–052401.

Choi, J., Musfeldt, J. L., Wang, Y. J., Koo, H. J., Whangbo, M. H., Galy, J., & Millet, P. (2002). Optical investigation of Na2V3O7 nanotubes. CHEMISTRY OF MATERIALS, 14(2), 924–930. https://doi.org/10.1021/cm010965x

Whangbo, M. H., & Koo, H. J. (2002). Orbital interaction analysis of cooperative Jahn-Teller distortion, orbital ordering, spin ordering, and spin exchange interactions in magnetic solids. SOLID STATE SCIENCES, 4(3), 335–346. https://doi.org/10.1016/S1293-2558(01)01261-4

Whangbo, M. H., & Koo, H. J. (2002). Spin dimer analysis of the spin exchange interactions in paramelaconite Cu4O3 and its analogue Ag2Cu2O3 and the spin ordering of the Cu2O3 spin lattice leading to their magnetic phase transitions. INORGANIC CHEMISTRY, 41(13), 3570–3577. https://doi.org/10.1021/ic020141x

Koo, H. J., Whangbo, M. H., & Lee, K. S. (2002). [Review of Spin dimer analysis of the three-dimensional antiferromagnetic ordering in the quaternary manganese sulfides BaLn(2)MnS(5) (Ln = La, Ce, Pr)]. JOURNAL OF SOLID STATE CHEMISTRY, 169(2), 143–148. https://doi.org/10.1016/S0022-4596(02)00021-X

Whangbo, M. H., Koo, H. J., Dumas, J., & Continentino, M. A. (2002). Theoretical investigation of the spin exchange interactions and magnetic properties of the homometallic ludwigite Fe3O2BO3. INORGANIC CHEMISTRY, 41(8), 2193–2201. https://doi.org/10.1021/ic010956q

Schlueter, J. A., Geiser, U., Wang, H. H., Kini, A. M., Ward, B. H., Parakka, J. P., … Whangbo, M. H. (2002). Trifluoromethylsulfonyl-based salts of BEDT-TTF: Crystal and electronic structures and physical properties. JOURNAL OF SOLID STATE CHEMISTRY, 168(2), 524–534. https://doi.org/10.1006/jssc.2002.9750

Gourdon, O., Jeanneau, E., Evain, M., Jobic, S., & Brec, R. (2001). Influence of the metal-metal sigma bonding on the structures and physical properties of the hexagonal perovskite-type sulfides Sr9/8TiS3,Sr8/7TiS3, and Sr-8/7[Ti6/7Fe1/7]S-3. JOURNAL OF SOLID STATE CHEMISTRY, 162(1), 103–112. https://doi.org/10.1006/jssc.2001.9361