Chun Loong, Intense Pulsed Neutron Source Division, Argonne National Laboaratory

Chun(-Keung) Loong

Condensed matter physics, Ph.D.(1980), Iowa State University
Postdoctoral fellow (1980-1982), Ames Lab & Iowa State University
Intense Pulsed Neutron Source (IPNS) Division
Argonne National Laboratory (1982-present)

Senior Physicist

Ph: 630-252-5596, Fax: 630-252-4163, Email: ckloong@anl.gov

Main fields:

Materials research using neutrons

Instrumentation and software development for neutron scattering

Research Interests:

Nano-to-microstructure of condensed matter and phase transitions

Magnetic/chemical/phonon excitations in solids under extreme environments

Thermal properties in ceramics, glasses, d- and f-electron systems

Nanostructured oxide catalysts, luminescent materials, hydrogen-bonded and OH-systems

Members:

American Physical Society (1978 -); Fellow (1999- )
Neutron Scattering Society of America (1992 -)

Organization of Meetings:

The Second BSNS Workshop on Applications of Spallation Neutron Source, July 27-29, 2005, The Institute of Physics, Chinese Academy of Sciences, Beijing, China.

The First Workshop on Applications of Spallation Neutron Source, August 3-6, 2004, The Institute of Physics, Chinese Academy of Sciences, Beijing, China.

International Conference on Dynamics of Disordered Materials on the Nanometer Scale, February 22-27, 2004, Hanoi, Vietnam. Co-organized with D. Price, M. Arai, and R. Kalia. Download Report

The First Moderator-Target Planning Meeting for the Chinese Spallation Neutron Source (CSNS) Project, April 21-26,2002, The Institute of Physics, Chinese Academy of Sciences, Beijing, China.

Workshop on Nanocomposites: Materials, Neutrons, and Data Interpretation, Argonne National Laboratory, March 28-30, 2002.

Workshop on Liquids, Glasses and Amorphous Materials for the Long-Wavelength Target Station of the Spallation Neutron Source, University of Delaware, April 28-29, 2000. Co‑organized with H. Glyde.

Workshop on Novel Materials for Extreme Environments: New Experimental Opportunities in Neutron Scattering, Argonne National Laboratory , September 11-12, 1998.

Workshop on Materials Research Using Cold Neutrons at Pulsed Sources, Argonne National Laboratory, August 25 - 26, 1997.

Recent Publications:

1 S. Kohara, K. Suzuya, K. Takeuchi, C.-K. Loong, M. Grimsditch, J. K. R. Weber, J. A. Tangeman, and T. S. Key, "Glass formation at the limit of insufficient network formers", Science, 303 1649-1652 (2004). Abstract Full Text

2 Y. Hirano, N. Wakabayashi, C.-K. Loong, and L. A. Boatner, "Jahn-Teller effects in the mixed vanadate/phosphate crystals TbV_1-xP_xO₄ (0<x<0.32)", Phys. Rev. B67 14423-1-7 (2003).

3 N. Sakamoto, Y. Kiyanagi, S. Sato, H. Sagehashi, M. Furusaka, J. Suzuki, K. C. Littrell, C.-K. Loong, A. Gorin, I. Manuilov, A. Ryazantsev, K. Kuroda, K. Sakai, F. Tokanai, T. Adachi, T. Oku, K. Ikeda, H. Miyaska, S. Suzuki, K. Morimoto, and H. Shimizu, "Development of a high-resolution scintillator-based area detector for neutrons", J. Appl. Cryst. 36 820-825 (2003).

4 T. Adachi, K. Ikeda, T. Oku, K. Sakai, S. Suzuki, J. Suzuki, H. M. Shimizu, K. C. Littrell, C.-K. Loong, W. Lin, J. Guo, N. Mitsuishi, S. Morita, and H. Ohmori, "Recent progress in the development of concave Fresnel lenses for neutrons", J. Appl. Cryst. 36 806-808 (2003).

5 C. M. Fang, C.-K. Loong, G. A. de Wijs, and G. de With, "Phonon spectrum of ZnAl₂O₄ spinel from inelastic neutron scattering and first-principles calculations", Phys. Rev. B 66 144301-144307 (2002).

6 X. Kuang, X. Jing, C.-K. Loong, E. E. Lachowski, J. M. S. Skakle, and A. R. West, “A new hexagonal 12-layer perovskite-related structure with lanthanide oxygen octahedral and titanate octahedral and tetrahedral layers: Ba₆R₂Ti₄O₁₇ (R=Nd and Y)”, Chem. Mater. 14, 4359-4363 (2002).

7 G. A. Lager, G. A. Swayze, C.-K. Loong, F. J. Rotella, J. W. Richardson, Jr., and R. E. Stoffregen, "Neutron spectroscopic study of synthetic alunite and oxonium-substituted alunite", Canadian Mineralogist 39 1131-1138 (2001).

8 K. Takeuchi, C.-K. Loong, J. W. Richardson, Jr., J. Guan, S. E. Dorris, and U. Balachandran, “The Crystal Structures and Phase Transitions in Y-Doped BaCeO₃: Their dependence on Y concentration and Hydrogen Doping”, Solid State Ionics 138 (1-2), 63-77 (2000).

9 C.-K. Loong and M. Ozawa, "The role of rare-earth dopants in nanophase zirconia catalysts for automotive emission control", J. Alloys Compounds 303-304 60-65 (2000).

10 A. Chatterjee, R. K. Kalia, A. Nakano, A. Omeltchenko, K. Tsuruta, P. Vashishta, C.-K. Loong, M. Winterer, and S. Klein, "Sintering, structure and mechanical properties of nanophase SiC: A molecular-dynamics and neutron scattering study", Appl. Phys. Lett. 77 (8), 1132-1134 (2000).