Changyong Park , Ph.D.
Assistant Chemist

Environmental Research Division Argonne National Laboratory 9700 South Cass Ave. Argonne, IL 60439 Ph: (630) 252-9113 Fax: (630) 252-7415 E-mail

EDUCATION

Ph.D. Engineering (Metallurgy, Materials Science, and Materials Processing)
Tohoku University, Japan, December 1998

M.S. Engineering (Applied Geochemistry)
Seoul National University, Korea, February 1993

B.S. Engineering (Minerals and Petroleum Engineering)
Seoul National University, Korea, February 1991

RESEARCH EXPERIENCE

Assistant Chemist, Environmental Research Division, Argonne National Laboratory, Argonne, Illinois, USA, (3/1/2004~present)

Post-doctoral Fellow, Environmental Research Division, Argonne National Laboratory, Argonne, Illinois, USA, (2/26/2001~2/29/2004)

Korean Research Fund (KRF) Fellow, Post-doc., Department of Physics, Pohang University of Science and Technology, Korea, 3/1/2000~2/15/2001

Research Associate, Post-doc., Atomic Scale Surface Research Center (ASSRC), Yonsei University, Korea, 1/1/1999~2/29/2000

Special Research Student, Institute of Advanced Materials Processing, Tohoku University, Japan 10/15/1995-12/9/1998

CURRENT RESEARCH INTERESTS

• High-resolution x-ray reflectivity study of mineral surface reactions in aqueous conditions

• Resonant anomalous x-ray reflectivity study of adsorbate chemistry at mineral-fluid interfaces

MEMBERSHIP IN PROFESSIONAL SOCIETIES

American Physical Society; American Chemical Society; the Geochemical Society

RECENT PUBLICATIONS

Park, C. , Fenter, P.A., Sturchio, N.C., and Regalbuto, J.R., “Probing Outer-Sphere Adsorption of Aqueous Metal Complexes at the Oxide-Water Interface with Resonant Anomalous X-ray Reflectivity”, Phys. Rev. Lett.94 (2005) 076104

Fenter, P. and Park, C., “Termination Interference and its Sensitivity to Interfacial and Bulk Structures”, J. Appl. Crystal. 37 (2004) 977-987.

Park, C., Fenter, P., Zhang, Z., Cheng. L., and Sturchio, N.C., “Structure of Fluorapatite (100)-Water Interface by High-Resolution X-ray Reflectivity”, Am. Mineralogist 89 (2004) 1647-1654.

Fenter, P., Cheng, L., Park, C., Zhang, Z., and Sturchio, N.C., “ Structure of the Orthoclase (001) and (010)-Water Interfaces using High-Resolution X-ray Reflectivity” , Geochim. Cosmochim. Acta, 67 (22) (2003) 4267-4275.

Fenter, P., Park, C., Cheng. L., Zhang, Z., Krekeler, M.P.S., and Sturchio, N.C., “ Orthoclase Dissolution Kinetics Probed by In Situ X-ray Reflectivity: Effects of Temperature, pH and Crystal Orientation” , Geochim. Cosmochim. Acta, 67(2) (2003) 197-211.

Park,C., Ji,S., Lee, K.-B., Youn, S.B., Park,J.-C., and Choi, H., “Characterization of Ultra-Thin Dielectric Films Buried under Poly-Si Electrodes using X-ray Reflectivity”, AIP Conf. Proc. 550 (2001) 605-609.

Wang,J., Lee,D.R., Park,C., Jeong, Y.H., Lee, K.-B., Park,Y.J., Youn,S.B., Park,J.-C. Choi,H.M., and Huh,Y.-J., “High-density transition layer in oxynitride interfaces on Si(100)”, Appl. Phys. Lett.75 (1999) 3775-3777.

Kang, S., Park,C. , Saito,M., and Waseda,Y., “Reverse Monte Carlo Simulation for Determining the Partial Structural Functions of GeO₂ Glass from the Anomalous X-ray Scattering and Neutron Diffraction Data”, Materials Trans. JIM40 (1999) 552-555.

Park,C. , Saito,M., Waseda,Y., Nishiyama,N., and Inoue,A., “Structural Study of Pd-Based Amorphous Alloys with Wide Supercooled Liquid Region by Anomalous X-ray Scattering”, Materials Trans. JIM40 (1999) 491-497.

Park,C. , Saito,M., Nishiyama,N., Inoue,A. , and Waseda,Y., “ Anomalous X-ray Scattering (AXS) Study on the Local Ordering Structure around Ni and Cu in Amorphous Pd₄₀Ni₁₀Cu₃₀P₂₀ Alloy” , Jpn. J. Appl. Phys.38 (1999) 448-451.

RECENT INVITED TALKS

Park, C., Fenter, P., Regalbuto, J.R., and Sturchio, N.C., “X-ray reflectivity study of Pt solution complexes adsorbed at the quartz-water interface”, American Chemical Society Meeting, Anaheim, CA, USA, April, 2004.

Park, C. , Fenter, P., Zhan, Z., Cheng, L., and Sturchio, “ X-ray Reflectivity Study of Mineral-Water Interfacial Systems” , Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, Korea, September 17, 2003.

Park, C. , Fenter, P., Sturchio, N.C., Zhan, Z., and Cheng, L., “ X-ray Scattering Study of Mineral-Fluid Interfacial Processes” , Division of Civil, Urban, and Geo-system Engineering, College of Engineering, Seoul National University, Seoul, Korea, September 16, 2003.

Park, C. , Fenter, P., Zhan, Z., Cheng, L., and Sturchio, N.C., “ X-ray Reflectivity of Mineral-Water Interfaces” , Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan, September 12, 2003.