​Choe Group

Hollow and Solid Spherical Magnetostrictive Particulate Composites.  Nersessian, N.; Or, S. W.; Carman,* G. P.; Choe, W.; Radousky, H. B. J. Appl. Phys. 2004, 96(6), 3362.  

 

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Forced Volume Magnetostriction in Composite Gd5Si2Ge2.  Nersessian, N.; Or, S. W.; Carman,* G. P.; McCall, S.; Choe, W.; Radousky, H. B.; Pecharsky, V. K.; Pecharsky, A. O. Proceedings of SPIE-The International Society for Optical Engineering  2004,  5387,  64.  

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Gd5Si2Ge2 Composite for Magnetostrictive Actuator Applications.  Nersessian, N.; Or, S. W.; Carman,* G. P.; McCall, S. K.; Choe, W.; Radousky, H. B.; McElfresh, M. W.; Pecharsky, V. K.; Pecharsky, A.O. Appl. Phys. Lett. 2004, 84(23),  4801. 

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Temperature- and Magnetic-Field-Induced Phase Transformation in Bulk and Composite Gd5Si2Ge2. Nersessian, N.; Or, S. W.; Carman,* G. P.; Choe, W.; Radousky, H. B.; Pecharsky, V. K.; Pecharsky, A. O. Proceedings of SPIE-The International Society for Optical Engineering  2003,  5053,  25.  

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Phase Transformation Driven by Valence Electron Concentration: Tuning the Interslab Bond Distances in Gd5GaxGe4-x. Mozharivskyj, Y.; Choe, W.; Pecharsky, A. O.; Miller,* G. J. J. Am. Chem. Soc. 2003, 125,  15183.

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Nanoscale Zippers in Gd5(SixGe1-x)4: Symmetry and Chemical influences on the Molecular Zipping Action. Choe, W.; Miller,* G. J.; Pecharsky, A. O. Inorg. Chem. 2003, 42, 8223.

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Anisotropy and Large Magnetoresistance in the Narrow-Gap Semiconductor FeSb2. Petrovic, C.; Kim, J. W.; Bud'ko, S. L.; Goldman, A. I.; Canfield,* P. C.; Choe, W.; Miller, G. J. Phys. Rev. B 2003, 67, 155205.

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Nanoscale Zippers in Crystalline Solids: Structural Variation in the Magnetocaloric Material Gd2Si1.5Ge2.5. Choe, W.; Miller,* G. J.; Meyers, J.; Chumbley, S. Chem. Mater. 2003, 15, 1413.

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Gd2AlGe2: An Almost Zintl Phase and a New Stacking Variant of the W2CoB2 Type. Choe, W.; McWhoter, S.; Miller,* G. J. Z. Anorg. Alleg. Chem. 2002, 628, 1575.

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Structure and Bonding around the Zintl Border. In Inorganic Chemistry Highlights, Miller,* G. J.; Lee, C.-S.; Choe, W. 2002, VCH.

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Microstructural Analysis of Twinned Beta-Gd5Si2Ge2. Meyers, J.; Chumbley,* S.; Choe, W.; Miller, G. J. Phy. Rev. B 2002, 66, 012106

               

     

Crystal Structure and Magnetism of Gd2MgGe2. Choe, W.; Levin, E. M.; Miller,* G. J. J. Alloys Compd.  2001, 329, 121.

 

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Making and Breaking Covalent Bonds across the Magnetic Transition in the Giant Magnetocaloric Material Gd5Si2Ge2. Choe, W.; Pecharsky,* V. K.; Miller, G. J.; Pecharsky, A. O.; Gschneidner, K. A. Jr.; Young, V. G. Jr. Phy. Rev. Lett.  2000, 84, 4617. 

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Persistent Honeycomb Structures in Porus and Other Two Component Solids. Kiang, Y. –H.; Lee,* S.; Xu, Z.; S. Choe, W.; Gardner, G. B.; Adv. Mater. 2000, 12, 767. 

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Coordination Networks of C3v and C2v Phenylacetylene Nitrile and Silver(I) Salts: Interplay of Ligand Symmetry and Molecular Dipole moments in the Solid State. Choe, W.; Xu, Z.; Kiang, Y. –H.; Lee,* S. Chem. Mater. 1999, 11, 1776.

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Synthesis and Structure of Three Copper Tellurides: BaDyCuTe3, K1.5Dy2Cu2.5Te5, and Acentric K0.5Ba0.5DyCu1.5Te3. Huang, F.; Choe, W.; Lee,* S. Chem. Mater. 1998, 10, 1320.

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Synthesis and Structure of New Cd-Bi-S Homologous Series: A Study in Intergrowth and the Control of Twinning Patterns. Choe, W.; Lee,* S.; O'Connell, P.; Covey, A. Chem. Mater. 1997, 9, 2025.

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Large Porous Organic and Coordination Extended Solids. Venkataraman, D.; Gardner, G.; Covey, A.; Rudalevige, T.; Choe, W.; Wu, Z.; Zhang, J.; Moore, J. S.; Lee,* S. Polym. Prepr. (Am. Chem. Soc., Div. Polym. Chem.) 1995, 36(1), 556.

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A Spectroscopic Study on the Existence of Copper(3+) or Peroxide in the Superconducting YBa2Cu3-xCoxO7 phase. Choy,* J. H.; Choe, W. Y.; Jung, D. Y. J. Phys. Chem. Solids 1991, 52(3), 545.

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Preparation, Structure, and Photoemission Studies on the High Temperature Superconductor YBa2Cu3-xNixO7. Choy,* J. H.; Choe, W. Y. Bull. Korean Chem. Soc. 1990, 11, 379.

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Preparation of 90 K Superconductor Yttrium Barium Copper Oxide, YBa2Cu3O7 via Oxide Precursors Barium Copper Oxide (BaCuO2) and Yttrium Copper Oxide, Y2Cu2O5. Choy,* J. H.; Choe, W. Y.; Choi, Q. W. Mater. Res. Bull. 1989, 24, 867.

 

 

Determination of the Copper Valency and the Oxygen Deficiency in the High-Tc Superconductor Yttrium Barium Copper Oxide (YBa2Cu3O7). Choy,* J. H.; Choi, S. Y.; Byeon, S. H.; Chun, S. H.; Hong, S. T.; Jung, D. Y.; Choe, W. Y.; Park, Y. W. Bull. Korean Chem. Soc. 1988, 9, 289.