Untitled Document

	Dr. Gary Catchen Publications 2003 2002 2001 2000-previous
2003	Cumblidge, S.E., A. T. Motta, G. L. Catchen, G. Brauer, and J. Boemert, “ Evidence for neutron irradiation-induced metallic precipitates in model alloys and pressure vessel weld steel”, Journal of Nuclear Materials, 320, 245-257 (2003). Gary L. Catchen. "Gedächtnis und Zukunft, Remembrance and the Future: A Photo-Essay." In Berlin. The Symphony Continues: Orchestrating Architectural, Social and Artistic Change in Germany's New Capital. Eds. Carol Anne Costabile-Heming, Rachel J. Halverson and Kristie A. Foell. Berlin: Walter de Gruyter Verlag, 2004. PP. 22-49.
2002	Motta, A. T., S. E. Cumblidge, G. L. Catchen, S. B. Legoas, A. Paesano, Jr., and L. Amaral, “Electric-field gradients at the Zr sites in Zr 3Fe: Measured usung perturbed-angular-correlation spectroscopy and calculated using band theory, Phys. Rev. B, Phys. Rev. B. 65, 014115-1 – 014115-5 (2001). Cumblidge, S. E.,G. L. Catchen, A. T. Motta, G. Brauer, and J. Böhmert, “Effects of Neutron Irradiation and Thermal Annealing on Model Alloys using Positron Annihilation Techniques,” Effects of Radiation on Materials: 20th International Symposium, American Society for Testing and Materials Standard Technical Publication 1405, 247-261 (2001). Catchen, G. L., “Remembrance and the Future: A Photo-Essay,” a chapter in the anthology: Berlin: The Symphony Continues, edited by Carol Anne Costabile-Heming of Southern Missouri State University, Rachel Halverson of Washington State University, and Kristie Foell of Bowling Green State University, in press.
2001	G. Catchen, D. Loubychev, and R. Platzer, 2001, Electric-field gradients at group-III sites on GaAs and InAs (111), B surfaces, Hyperfine Interactions (August). A. Poynor, S. Cumblidge, R. Rasera, G. Catchen, and A. Motta, 2001, Hyperfine interactions of 181Ta in Zr2Ni observed using PAC spectroscopy, Hyperfine Interactions (August). A. Motta, S. Cumblidge, G. Catchen, S. Legoas, A. Paesano, Jr. and L. Amaral, 2001, Electric-field gradients at the Zr-sites in Zr3Fe: measured using perturbed-angular-correlation spectroscopy and calculated using band theory, Physical Review B (January). Jang, J.-H., B. A. Dempsey, W. D. Burgos, and G. L. Catchen, “Transmission 57Fe-Mössbauer spectroscopy applied to Me n+-substituted amorphous ferric (hydr)oxides,” accepted for presentation at the 75 TH American Chemical Society Colloid and Surface Science Symposium, June 10 - 13, 2001, Carnegie Mellon University, Pittsburgh, PA.
2000	Cumblidge, S. E., Catchen, G. L., Motta, A. T., Brauer, G., and Böhmert, J., “Effects of Neutron Irradiation and Thermal Annealing on Model Alloys using Positron Annihilation Techniques,” Effects of Radiation on Materials: 20th International Symposium, American Society for Testing and Materials STP 1405, 2000, in press.
1999	A. Motta, G. Catchen, S. Cumblidge, R. Rasera, A. Paesano, Jr, and L. Amaral, 1999, Defects and Magnetic Hyperfine Fields in ZrFe2 Investigated using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 60, 1188-1196 (1999).
1998	R. Rasera and G. Catchen, 1998, Mn-Site Hyperfine Fields in LaMnO3 and NdMnO3 Measured Using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 58, 3218-3222 (1998).
1997	G.L. Catchen, 1997, Investigating Bonding Symmetry on Surfaces and at Interfaces Using Perturbed-Angular-Correlation Spectroscopy, Annual NSF Grant Progress Report, DMR-9403210, August 1 1996 - July 31, 1997. Lubyshev, D., W.Z. Cai, G.L. Catchen, T.S. Mayer, D.L. Miller, 1997, Incorporation of thallium in InTIAs grown by molecular beam epitaxy, 24th International Symposium on Compound Semiconductors, Sept 8-11, San Diego, CA. Catchen, G. L., 1997, Gestorte WinkelKorrelation an der Universitat Konstnz Bundesrepublik DeutschlandNucleus, Dept of Nuclear Engineering Newsletter. Ruud, C.O. and G.L. Catchen, 1997, In-Situ Measurement of Residual surface Stresses, EPRI.
1996	G. Catchen, W. Evenson, and D. Allred, 1996, Structural Phase Transition and Tc Distribution in Hf-Doped LaMnO3 Investigated Using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 54, R3679-R3682 (1996). G. Catchen, E. Hollinger, and T. Rearick, 1996, Characterizing Phase Transitions in the Perovskites PbTiO3 and BaTiO3 Using Perturbed-Angular-Correlation Spectroscopy, Zeitschrift für Naturforschung 51a, 411-421 (1996). G. Catchen, J. Adams, J. Fu, and D. Miller, 1996, Hyperfine Interactions of 111In ? 111Cd Probe Atoms on GaAs(111)B Reconstructed Surfaces, Hyperfine Interactions 97/98, 193-202 (1996).
1995	G. Catchen and T. Rearick, 1995, O-Anion Transport Measured in Several R2M2O7 Pyrochlores using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 52, 9890-9899 (1995). J. Adams, G. Catchen, J. Fu, and D. Miller, 1995, Interactions of 111In?111Cd Probe Atoms on GaAs (111)B Reconstructed Surfaces Measured Using Perturbed-Angular-Correlation Spectroscopy, Surface Science 337, 118-134 (1995).
1994	J. Adams and G. Catchen, 1994, Anomalous Crystal Chemistries of the 111In?111Cd and 181Hf??181Ta Probes in Rutile TiO2 Studied Using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. 50, 1264-1267 (1994). G. Catchen, T. Rearick, and D. Schlom, 1994, High-Temperature Phase Transitions and Low-Temperature Magnetic Ordering in SrRuO3 and CaRuO3 Ceramics Studied Using Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 49, 318-326 (1994). G. Catchen, T. Rearick, E. Hollinger, D. Esh, and J. Adams, 1994, Critical Effects in BaTiO3 Measured by Perturbed-Angular-Correlation Spectroscopy, Ferroelectrics 156, 2123-2131 (1994). G. Catchen, 1994, Sensitivity of Spin I = 52 Perturbed-Angular-Correlation Measurements to Combined Magnetic-Dipole and Electric-Quadrupole Hyperfine Interactions, Hyperfine Interactions 88, 1-12 (1994).
1993	D. Birnie and G. Catchen, 1993, High Temperature Hf-Site-Interchange Chemistry in LiNbO3 and LiTaO3, Journal of Materials Research 8, 1379-1386 (1993). R. Rasera and G. Catchen, 1993, Perturbed-Angular-Correlation (PAC) Spectroscopy as a Tool for the Study of Ferroelectrics, Ferroelectrics 150, 151-161 (1993). T. Rearick, G. Catchen, and J. Adams, 1993, Combined Magnetic-Dipole and Electric-Quadrupole Hyperfine Interactions in Rare-Earth-Orthoferrite Ceramics, Phys. Rev. B 48, 224-238 (1993). G. Catchen, 1993, Perspectives on Teaching Nuclear and Radiochemistry at The Pennsylvania State University, Journal of Radioanalytical and Nuclear Chemistry 171, 125-130 (1993).
1992	J. Adams, J. Fu, G. Catchen, and D. Miller, 1992, New Technique to Dope GaAs with the 111In?111Cd probe for Perturbed-Angular-Correlation Spectroscopy, Appl. Phys. Lett. 61, 2668-2670 (1992). J. Adams and G. Catchen, 1992, Perturbed-Angular-Correlation (PAC) Spectroscopy: Evidence for Probe-Dopant Interactions in Ca-doped Barium Titanate, Mat. Sci. and Eng. B15, 209-216 (1992). G. Catchen, J. Adams, and T. Rearick, 1992, High Temperature Partitioning of 181Hf-Probe Impurities between Li and Group-V Sites and LiNbO3 and LiTaO3, Phys. Rev. B 46, 2743-2749, (1992). G. Catchen, R. Rasera, C. Randall, D. Smith, and S. Kurtz, 1992, Temperature Dependence of the Ti-Site Electric-Field Gradient in Titanite, CaTiSiO5, Phys. Rev. B 45, 5015-5018 (1992).
1991	G. Catchen and D. Spaar, 1991, Order-Disorder Effects in the Phase Transitions of LiNbO3 and LiTaO3 Measured by Perturbed-Angular-Correlation Spectroscopy, Phys. Rev. B 44, 12137-12145 (1991). G. Catchen and R. Rasera, 1991, Perturbed Angular Correlation Studies of Ferroelectrics, Ferroelectrics 120, 33-34 (1991). G. Catchen, I. Williams, D. Spaar, S. Wukitch, and J. Adams, 1991, Highly Asymmetric Electric Field Gradients at the Nb-Sites in Ferroelastic GdNbO4 and NdNbO4 ,Phys. Rev. B 43, 1138-1141 (1991). G. Catchen, S. Wukitch, E. Saylor, W. Huebner, and M. Blaszkiewicz, 1991, Investigating Phase Transitions in ABO3 Perovskites Using Perturbed Angular Correlation Spectroscopy, Ferroelectrics 117, 175-195 (1991).
1990	G. Catchen, 1990, Perturbed Angular Correlation (PAC) Spectroscopy: A Nuclear Technique for Materials Characterization, Journal of Materials Education 12, 253-295 (1990). J. Hoffman and G. Catchen, 1990, Response of Panasonic Dosimeters to Submersion Exposure by 133Xe, Health Physics 58, 59-64 (1990). G. Catchen, S. Wukitch, D. Spaar, and M. Blaszkiewicz, 1990, Temperature Dependence of the Nuclear Quadrupole Interactions at the Ti-Sites in Ferroelectric PbTiO3 and in Ilmenite and Perovskite CdTiO3: Evidence for Order-Disorder Phenomena, Phys. Rev. B, 42, 1885-1894 (1990).
1989	G. Catchen, 1989, Perturbation Functions: PAC Probe Nuclei, I=2, 5/2, and 3, Computer Physics Communications 55, 85-90 (1989). B. Ben-Shachar, G. Catchen, and J. Hoffman, 1989, Characteristics of the Panasonic UD-802 Phosphors, Radiation Protection Dosimetry 27, 121-124 (1989). G. Catchen, I. Williams, D. Spaar, S. Wukitch, and J. Adams, 1991, Highly Asymmetric Electric Field Gradients at the Nb-Sites in Ferroelastic GdNbO4 and NdNbO4,Phys. Rev. B 43, 1138-1141 (1991). G. Catchen, S. Wukitch, E. Saylor, W. Huebner, and M. Blaszkiewicz, 1991, Investigating Phase Transitions in ABO3 Perovskites Using Perturbed Angular Correlation Spectroscopy, Ferroelectrics 117, 175-195 (1991). G. Catchen, S. Wukitch, D. Spaar, and M. Blaszkiewicz, 1990, Temperature Dependence of the Nuclear Quadrupole Interactions at the Ti-Sites in Ferroelectric PbTiO3 and in Ilmenite and Perovskite CdTiO3: Evidence for Order-Disorder Phenomena, Phys. Rev. B, 42, 1885-1894 (1990). G. Catchen, 1989, Electric Quadrupole Interactions in Non-Axially Symmetric Electric Field Gradients of Spin, I=2 and 3, Nuclei in Polycrystalline Sources, Hyperfine Interactions 52, 65-78 (1989). G. Catchen, L. Menke, Jr., K. Jamil, M. Blaszkiewicz, and B. Scheetz, 1989, Anomalous Asymmetry of the Electric Field Gradient at the Ti-site in Ba (Ti0.95Hf0.05)(Ge2xSi2-2x)O8 Ceramics Measured By Perturbed Angular Correlation Spectroscopy, Phys. Rev. B 39, 3826-3834 (1989). J. Miller, D. Logan, G. Catchen, M. Rajagopalan, J. Alexander, M. Kaplan, J. Ball, M. Zisman, and L. Kowalski, 1978, Energy and Spin Dependence of Fission: 1H and 4He Emission from 194Hg Compound Nuclei, Phys. Rev. Letters 40, 1074-1077 (1978). J. Canelos and G. Catchen, 1989, Testing Intellectual Skills in Engineering: Test Design for Engineering Education, Inter. J. Applied Eng. Education 5, 3-12 (1989).
1988	G. Catchen, M. Blaszkiewicz, A. Baratta, and W. Huebner, 1988, Anomalous Temperature Dependence of the Electric Field Gradient at the Y-site in In0.1Y0.9Ba2Cu3O9-?: Evidence for Soft Vibrational Modes, Phys. Rev. B 38, 2824-2827 (1988). G. Catchen, M. Blaszkiewicz, L. Menke, Jr., K. Jamil, H. McKinstry, D. Agrawal, and W. Huebner1988Perturbed Angular Correlation (PAC) Spectroscopy: Structural Anomalies in (Sr,Ca)(Zr3.95Hf0.05)P6O24 Ceramics, Phys. Rev. B 37, 7189-7196 (1988). G. Catchen, L. Menke, Jr., M. Blaszkiewicz, K. Jamil, D. Agrawal, W. Huebner, and H. McKinstry, 1988, Structural Characterization of a High-Temperature, Ionic-Conducting Ceramic Using Perturbed Angular Correlation Spectroscopy, Phys. Rev. B 37, 4839-4850 (1988). G. L. Catchen and J. Canelos, 1988, A New Program to Teach Nuclear and Radiochemistry to Undergraduates, Journal of Chemical Education 65, 708-712 (1988).
1987	G. L. Catchen, D. Hughes, A. Kulkarni, K. Ross, and W. Ammerman, 1987, A Neutron-Radiographic Investigation of a Physical Model for Fluidized-Bed CombustionChemical Engineering Communications 54, 73-84 (1987). L. Shen, G. Catchen, and S. Levine, 1987, Experimental and Computational Techniques for Beta-Particle Dosimetry, Health Physics 53, 37-47 (1987). L. Shen, S. Levine, and G. Catchen, 1987, An Optimized Computational Method for Determining the Beta-Dose Distribution Using a Multiple Element Thermoluminescent Dosimetry SystemHealth Physics 53, 49-57 (1987).
1986	G. Catchen, P. Boyle, B. Ford, and D. Ryan, 1986, An Intercomparison of Several Environmental TLD Systems, Radiation Protection Dosimetry 15, 177-183 (1986). G. Catchen and W. Witzig, 1986, A Research Program for Undergraduate Seniors in Nuclear Engineering, Engineering Education 77, 120-121 (1986).
1985
1984	G. Catchen, A. Notea, and B. Campbell, 1984, A Comparison of Theoretical and Experimental Calibration of a Highly-Collimated, Mobile Gamma-Ray Spectrometer, Nuclear Technology 67, 463-472 (1984).
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