Physics & Astronomy

PUBLICATIONS

"The flexible embedded-fiber neutron detector", T. K. McKnight, J. B. Czirr, K. Littrell, B. J. Campbell, Nucl. Instr. Meth. Phys. Research A 586, 246-250 (2008).

"Order parameters for phase transitions to structures with one-dimensional incommensurate modulations", H. T. Stokes, B. J. Campbell, D. M. Hatch, Acta Cryst. A 6, 365-373 (2007).

"Rietveld refinement of structural distortion-mode amplitudes", B. J. Campbell, J. S. O. Evans, F. Perselli, H. T. Stokes, IUCr Computing Commission Newsletter 8, 81-95 (2007).

"Microscopic annealing process and its impact on superconductivity in T'-structure electron-doped copper oxides", H.J. Kang, P. Dai, B.J. Campbell, P. J. Chupas, S. Rosenkranz, P. L. Lee, Q. Huang, S. Li, S. Komiya, Y. Ando , Nature Materials 6, 224-229 (2007). A review of this work can be found at Nature Materials 6, 179-180 (2007).

"ISODISPLACE: web-based tool for exploring structural distortions", B. J. Campbell, H. T. Stokes, D. E. Tanner, D. M. Hatch, J. Appl. Cryst. 39, 607-614 (2006).

"Diffuse scattering in the layered perovskites", B. J. Campbell, Z. Krist. 220, 1088 (2005).

"Structure, thermal expansion, and transport properties of BaCe_1-xEu_xO_3-d oxides", J. X. Wang, L. P. Li, B. J. Campbell, Z. Lv, Y. Ji, Y. F. Xue, W. H. Su, Mater. Chem. Phys. 86, 150 (2004).

"Enhanced stability of charge and orbital order in La_0.78Sr_2.22Mn₂O₇", B. J. Campbell, D. N. Argyriou,  J. F. Mitchell, R. Osborn, B. Ouladdiaf, C. D. Ling, Phys. Rev. B 69, 104403 (2004).

"Elucidation of zeolite microstructure by synchrotron X-ray diffuse scattering", B.J. Campbell, T.R. Welberry, R.W. Broach, Hawoong Hong, A.K. Cheetham, J. Appl. Cryst. 37, 187-192 (2004).

"Polaronic orbital polarization in a layered colossal magnetoresistive manganite", B.J. Campbell, S.K. Sinha, R. Osborn, S. Rosenkranz, J.F. Mitchell, D.N. Argyriou, L. Vasiliu-Doloc, O.H. Seeck, J.W. Lynn, Phys. Rev. B 67, 020409(R) (2003).

"Glass transition in the polaron dynamics of colossal mangetoresistive manganites", D.N. Argyriou, J.W. Lynn, R. Osborn, B.J. Campbell, J.F. Mitchell, U. Ruett, H.N. Bordallo, A. Wildes, C.D. Ling, Phys. Rev. Lett. 89, 036401 (2002).

"Distinct insulating state below the Curie point in Pr_0.7Ba_0.3MnO₃", A.K. Heilman, Y.Y. Xue, B. Lorentz, B.J. Campbell, J. Cmaidalka, R.L. Meng, Y.S. Wang, C.W. Chu, Phys. Rev. B 65, 214423 (2002).

"The structure of Jahn-Teller polarons in the colossal magnetoresistive manganites", B. J. Campbell, S. J. L. Billinge, J. W. Lynn, S. K. Sinha, in From Semiconductors to Proteins, Beyond the Average Structure, eds. S. J. L. Billinge and M. F. Thorpe, Kluwer Academic, New York (2002).

"Linear framework defects in zeolite mordenite", B.J. Campbell, A.K. Cheetham, J. Phys. Chem. B 106, 57 (2002).

"Structure of nanoscale polaron correlations in La_1.2Sr_1.8Mn₂O₇", B.J. Campbell, R. Osborn, D.N. Argyriou, L. Vasiliu-Doloc, J.F. Mitchell, Z. Islam, C.D. Ling, S.K. Sinha, J. W. Lynn, Phys. Rev. B 65, 014427 (2002), cond-mat/0106477.

"The determination of Brønsted acid sites in zeolite ERS-7 by neutron and X-ray powder diffraction", B.J. Campbell, A.K. Cheetham, T. Vogt, L. Carluccio, W.O. Parker Jr., C. Flego, R. Millini, J. Phys. Chem. B 105, 1947 (2001).

"The cation-vacancy ordering transition in dehydrated Na₆ sodalite", B.J. Campbell, J.M. Delgado, A.K. Cheetham, B.B. Iversen, N.P. Blake, S.R. Shannon, S. Latturner, G.D. Stucky, J. Chem Phys. 113, 10226 (2000).

"A DFT study of cation-vacancy ordering in Na₆[AlSiO₄]₆", S.R. Shannon, B.J. Campbell, H. Metiu, N. P. Blake, J. Chem Phys, 113, 10215 (2000).

"Charge ordering and phase competition in the layered perovskite LaSr₂Mn₂O₇", D.N. Argyriou, H.N. Bordallo, B.J. Campbell, J.M. Delgado, A.K. Cheetham, D.E. Cox, A. Moreira dos Santos, G.F. Strouse, Phys. Rev. B 61, 15269 (2000).

"The synthesis of the new zeolite, ERS-7, and the determination of its structure by simulated annealing and synchrotron X-ray powder diffraction", B.J. Campbell, G. Bellussi, L. Carluccio, G. Perego, A.K. Cheetham, D.E. Cox, R. Millini, J. Chem. Soc. Chem. Comm., 1725 (1998).

"The synthesis of zeolite ERS-7 and its structure determination using simulated annealing and synchrotron X-ray powder diffraction data", R. Millini, G. Perego, L. Carluccio, G. Bellussi, D.E. Cox, B.J. Campbell, A.K. Cheetham, Proceedings of the 12^th International Zeolite Conference Vol. I, pg. 541, Elsevier Science, New York, (1999).

"NMR study of ammonium magnesium langbeinite", B.J. Campbell, H.T. Stokes, J. Boerio-Goates, Phys. Rev. B, 51, 11315 (1995).

CONFERENCE PRESENTATIONS

American Crystallographic Association Meeting in Salt Lake City, Utah, July 2007 (invited lecture), B.J. Campbell, "The quest for quantitative three-dimensional defect structures".

90^th Candian Chemistry Conference, Winnipeg, Manitoba, Canada, May 2007 (invited lecture), B.J. Campbell, "Diffuse scattering insights into 3D defect structures in complex oxides".

American Crystallographic Association Meeting, Honolulu HI, July 2006, B.J. Campbell & H.T. Stokes, "Exploring local distortion modes via single-crystal diffuse scattering".

Frontiers in Inorganic Materials Chemistry: A FestSchrift symposium in honor of Prof. Anthony K. Cheetham, Santa Barbara CA, April 2006 (invited lecture), B.J. Campbell, "Exploring local distortions via single-crystal diffuse scattering".

20^th Congress of the International Union of Crystallography in Florence Italy, Aug 2005 (invited lecture), B.J. Campbell, S. Rosenkranz, P.J. Chupas, H.J. Kang, Pengcheng Dai, Y. Kurita, S. Komiya, Y. Ando, "Superstructural lattice distortion within the CuO₂ sheets of electron doped superconductor Pr_0.88LaCe_0.12CuO₄".

20^th Congress of the International Union of Crystallography in Florence Italy, Aug 2005, B.J. Campbell, H.T. Stokes, D.E. Tanner, D.M. Hatch, "ISODISPLACE: A new graphical user interface for calculating structural distortions using the ISOTROPY software package".

1st US-China Workshop on Materials Science, Institute of Physics CAS, Beijing, China, May 2005 (invited lecture), B.J. Campbell, "Discovering complex defect architectures via single-crystal diffuse scattering".

APS March Meeting in Montreal Canada, March 2004, B.J. Campbell, R. Osborn, J.F. Mitchell, H. Zheng, E. Badica, S. Rosenkranz, J.W. Lynn , "Antiferromagnetic polaron correlations in Nd_0.6Sr_1.4MnO₄".

American Crystallographic Association Meeting in Cincinnati OH, July 2003 (invited lecture), B.J. Campbell, R. Osborn, D.N. Argyriou, J.F. Mitchell, L. Vasiliu-Doloc, U. Ruett, Z. Islam, C.D. Ling, S.K. Sinha, J.W. Lynn, "Incommensurate Jahn-Teller Polaron Correlations in Bilayered Colossal Magnetoresistive Manganite La_1.2Sr_1.8Mn₂O₇".

Intense Pulsed Neutron Source Workshop on Single-Crystal Diffuse Scattering, June 2003 (invited lecture), B.J. Campbell, T.R. Welberry, R.W. Broach, Hawoong Hong, A.K. Cheetham, "Single-crystal diffuse scattering from correlated framework defects in zeolites".

APS March 2003 Meeting, Austin TX, B.J. Campbell, R. Osborn, J.F. Mitchell, H. Zheng, E. Badica, S. Rosenkranz, J.W. Lynn, "Antiferromagnetic polaron correlations in Nd_0.6Sr_1.4MnO₄".

19^th Congress of the International Union of Crystallography in Geneva Switzerland, Aug 2002 (invited lecture), B.J. Campbell, T.R. Welberry, R.W. Hawoong Hong, Broach, A.K. Cheetham, "Single-crystal diffuse scattering from diagonal stacking faults in zeolite mordenite".

1^st American Conference on Neutron Scattering, Knoxville TN, June 2002, B.J. Campbell, R. Osborn, J.F. Mitchell, H. Zheng, E. Badica, S. Rosenkranz, J.W. Lynn, "Antiferromagnetic polaron correlations in Nd_0.6Sr_1.4MnO₄".

APS March 2002 Meeting, Indianapolis IN (invited lecture), B.J. Campbell, "Nanoscale correlations in the layered perovskite manganites".

MSU Summer Workshop: "Beyond the Average Structure", Traverse City, MI, July 2001 (invited lecture), B.J. Campbell, "Diffuse scattering measurements of short-range polaron correlations in the CMR manganites".

APS March 2001 Meeting, Seattle WA, March 2001, B.J. Campbell, R. Osborn, D.N. Argyriou, L. Vasiliu-Doloc, J.F. Mitchell, Z. Islam, C.D. Ling, S.K. Sinha, J.W. Lynn, "The structure of nanoscale polaron correlations in La_1.2Sr_1.8Mn₂O₇".

8^th Joint MMM-Intermag conference in San Antonio TX, Jan 2001, B.J. Campbell, R. Osborn, D. N. Argyriou, L. Vasiliu-Doloc, J.F. Mitchell, Zahir Islam, C.D. Ling, S.K. Sinha, "Nanoscale polaron correlations in La_1.2Sr_1.8Mn₂O₇".

APS March 2000 Meeting, Minneapolis MN, B.J. Campbell, D.N. Argyriou, "Charge ordering and phase competition in (SrO)(La_0.5Sr_0.5MnO₃)₂".

APS March 2000 Meeting, Minneapolis MN, B.J. Campbell, A.K. Cheetham, "The nature of linear-fault defects in zeolite mordenite determined using computer simulations of the diffuse scattering".

18^th Congress of the International Union of Crystallography in Glasgow Scotland, Aug 1999, B.J. Campbell, B.B. Iversen, N.P. Blake, S.R. Shannon, J.M. Delgado, S. Latturner, G.D. Stucky, A.K. Cheetham, "The low-temperature cation-ordered superstructure of Na₆ sodalite by powder diffraction and computer simulation".

American Crystallographic Association Meeting in Buffalo NY, May 1999 (invited lecture), B.J. Campbell, K.P. Lillerud, D.E. Cox, A.K. Cheetham, "Successful applications of simulated annealing to the structure determination of framework compounds".

APS Centennial Meeting in Atlanta GA, March 1999, B.J. Campbell, A. Moreira dos Santos, J.M. Delgado, G. Diaz de Delgado, A.K. Cheetham, G.F. Strouse, D.N. Argyriou, H.N. Bordallo, D.E. Cox, "Charge and magnetic ordering in the Ruddlesden-Popper  n=2  manganate LaSr₂Mn₂O₇".

Structure Solution from Powder Diffraction Workshop, NSLS User Meeting, May 1998 (invited poster), B.J. Campbell, D.E. Cox, A.K. Cheetham, "The Structure Determination of a Novel Zeolite Framework by Simulated Annealing and Synchrotron X-ray Powder Diffraction".

NASA Shuttle Small Payloads Symposium, Washington D.C., Oct 1992 (invited lecture), M. Williams, B.J. Campbell, P. Roming, M. Spute, J.W. Moody, "G-133: A Soft X-ray Telescope", NASA Conference Publication 3171, p. 125, 1992.

SEMINARS/COLLOQUIA

Idaho State University, Dept. of Physics, Pocatello Idaho, Jan 2007, "Three-dimensional defect structures characterized via x-ray diffuse scattering".

Canadian Neutron Beam Centre, Chalk River, Canada, May 2006, "Exploring structural phase transitions with the ISODISPLACE software".

Beijing Institute of Theoretical Physics, China, May 2004, "Novel polaronic structures in the CMR manganites".

Jilin University, College of Physics, China, May 2004, "The role of polaronic structures in CMR manganites".

Shanghai Institute of Ceramics, State Key Lab of High Performance Ceramics and Superfine Microstructure, China, May 2004, "Single-crystal diffuse scattering study of correlated framework defects in zeolite mordenite".

Utah Valley State College, Dept. of Physics, Jan 2004, "Discovering the link between material properties and atomic structure".

UOP LLC, Des Plaines IL, Oct. 2003, "Defect structure determination via single-crystal x-ray and neutron diffuse scattering".

Advanced Photon Source User Science Seminar, Argonne National Lab, June 2003, "Polaronic structure via diffuse x-ray and neutron scattering".

University of Utah, Dept. of Physics, Feb 2003, "X-ray and neutron diffuse scattering from defect nanostructures".

Hahn-Meitner Institute, Berlin, Germany, April 2002, "Polaronic orbital polarization and the CMR effect".

University of Arkansas, Feb 2002, "Polaronic structures in the CMR manganites".

Miami University Physics Dept., Feb 2002, "Polaronic structures in the CMR manganites".

University of Wisconsin-Madison Dept. of Materials Science and Engineering, Feb 2002, "Polaronic structures in the CMR manganites".

NIST Center for Neutron Research., Gaithersburg MD, Aug 2001, "The use of spin-precession spectral intensity modulation for incident-energy resolution on a neutron TOF spectrometer".

Brigham Young University Physics Dept., Oct 2000, "Short-range polaron correlations in CMR manganites observed via x-ray diffuse scattering".

Argonne National Laboratory Intense Pulsed Neutron Source, Oct 2000, "Nanoscale polaron correlations and diffuse scattering".

Argonne National Laboratory, Materials Science Div., May 1999, "Charge and magnetic ordering in the n=2 Ruddlesden-Popper manganate (SrO)(La_0.5Sr_0.5MnO₃)₂".

Los Alamos National Laboratory, Chemical Science and Technology Div., Jan 1999, "Zeolite Structural Characterization by Powder Diffraction and Computer Simulation".

Molecular Simulations Inc., Mountain View CA, Sep 1998, "Solving novel crystal structures using simulated annealing".