Undergraduate Research

The Iowa State Department of Physics and Astronomy strongly encourages undergraduates to become involved in research as a critical part of their education. Listed below are a collection of publications and presentations that have resulted from undergraduates collaboration with ISU faculty.

I.S.U. Publications and Presentations with Undergraduate Students Co-Authors:

Norm Anderson

Bud'ko, S. L.; Lapertot, G.; Petrovic, C.; Cunningham, C. E.; Anderson, N.; Canfield, P. C.. Boron Isotope Effect in Superconducting MgB2.; Physical Review Letters (2001), 86(9), 1877-1880.

Cubitt, R.; Levett, S.; Bud'ko, S. L.; Anderson, N. E.; Canfield, P. C..; Experimental Evidence for Anisotropic Double-Gap Behavior in MgB2. Physical Review Letters (2003), 90(15), 157002/1-157002/4.

Ahilan, K.; Bennett, M. C.; Aronson, M. C.; Anderson, N. E.; Canfield, P. C.; Munoz-Sandoval, E.; Gortenmulder, T.; Hendrikx, R.; Mydosh, J. A. Magnetotransport in single-crystal half-Heusler compounds. Physical Review B: Condensed Matter and Materials Physics (2004), 69(24), 245116/1-245116/8.

Bud'ko, S. L.; Strand, J. D.; Anderson, N. E., Jr.; Ribeiro, R. A.; Canfield, P. C.. Evolution from long-range order to Kondo lattice in Gd1-xYbxNi2B2C. Physical Review B: Condensed Matter and Materials Physics (2003), 68(10), 104417/1-104417/8.

Swenson, C. A.; Fisher, I. R.; Anderson, N. E., Jr.; Canfield, P. C.; Migliori, A. Icosahedral quasicrystal Al71Pd21Mn08 and its x ' approximant: Linear expansivity, specific heat, magnetic susceptibility, electrical resistivity, and elastic constants. Physical Review B: Condensed Matter and Materials Physics (2002), 65(18), 184206/1-184206/13.

Cubitt, R.; Dewhurst, C. D.; Eskildsen, M. R.; Levett, S. J.; Matadeen, A.; Jun, J.; Kazakov, S. M.; Karpinski, J.; Bud'ko, S. L.; Anderson, N. E.; Canfield, P. C.. Penetration depth anisotropy in MgB2 single crystals and powders. Journal of Physics and Chemistry of Solids (2006), 67(1-3), 493-496.

Anderson, N. E.; Straszheim, W. E.; Bud'ko, S. L.; Canfield, P. C.; Finnemore, D. K.; Suplinskas, R. J. Titanium additions to MgB2 conductors. Physica C: Superconductivity and Its Applications (Amsterdam, Netherlands) (2003), 390(1), 11-15.

Finnemore, D. K.; Straszheim, W. E.; Bud'ko, S. L.; Canfield, P. C.; Anderson, N. E.; Suplinskas, R. J. CVD routes to MgB2 conductors. Physica C: Superconductivity and Its Applications (Amsterdam, Netherlands) (2003), 385(1-2), 278-285.

Jeff Burkett

S.D. Kawaler, S. Hostler, & J. Burkett, 'The Origin of White Dwarf Rotation Velocities', in White Dwarfs: the Thirteenth European Workshop, ed. D. de Martino, R. Silvotti, J.-E. Solheim, and R. Kalytis (Dordrecht, Kluwer), p. 27 (2003)

S. Dahlke

D. Vaknin, S. Dahlke, A. Travesset, G. Nizri, and S. Magdassi, 'Induced Crystallization of Polyelectrolyte-Surfactant Complexes at the Gas-Water Interface%u201D, Phys. Rev. Lett. 93, 218302 (2004).

Michael Dahlstrom

Steven D. Kawaler & Michael Dahlstrom, 'White Dwarf Stars,' American Scientist, 88, 498 (Nov-Dec 2000)

Zoe Dind

Z.E. Dind, T.R. Bedding, S.J. O'Toole, & S.D. Kawaler, 'Applying weights to Whole Earth Telescope data: results for four stars', in Asteroseismology Across the HR Diagram, ed. M.J. Thompson, M.S. Cunha, & M.J.P.F.G. Monteiro (Dordrecht, Kluwer) (2003)

Phoebus Drymiotis

Morelli, Donald T.; Canfield, Paul C.; Drymiotis, Phoebus. Low-temperature transport properties of NdBiPt. Physical Review B: Condensed Matter (1996), 53(19), 12896-12901.

P. Jordan

S. LeBohec, C. Duke & P. Jordan, %u201CMinimal Stereoscopic Analysis for Imaging Atmospheric Cherenkov Telescope Arrays%u201D, Astroparticle Physics,Volume 24, Issues 1-2, September 2005, Pages 26-31

P. Jordan & F. Krennrich, %u201CLight concentrator Design for VERITAS%u201D, Fall 2004 (internal report)

Greg Knoke

G. T. Knoke, J. M. Hill, and D. C. Johnston, %u201CLu2V2O7-x: A New System of Oxygen-Deficient Compounds,' Thirteenth Annual Argonne Symposium for Undergraduates in Science, Engineering, and Mathematics, Argonne National Laboratory, Argonne, IL, 25-26 October 2002.

G. T. Knoke, J. M. Hill, and D. C. Johnston, 'Lu2V2O7-x: A New System of Oxygen-Deficient Compounds,' American Physical Society Meeting, Austin, TX, 3-7 March 2003.

G. T. Knoke, J. M. Hill, and D. C. Johnston, 'A Crystallographic and Magnetic Study of the Oxygen-Deficient Pyrochlore Lu2V2O7-x', American Physical Society Meeting, Montreal, Quebec, Canada, 22-26 March 2004.

Stephanie Law

Kim, J. W.; Lee, Y.; Wermeille, D.; Sieve, B.; Tan, L.; Bud'ko, S. L.; Law, S.; Canfield, P. C.; Harmon, B. N.; Goldman, A. I. Systematics of x-ray resonant scattering amplitudes in RNi2Ge2 (R =Gd, Tb, Dy, Ho, Er, Tm): The origin of the branching ratio at the L edges of the heavy rare earths. Physical Review B: Condensed Matter and Materials Physics (2005), 72(6), 064403/1-064403/6.

Law, S. A.; Bud'ko, S. L.; Canfield, P. C.. Effects of mixed rare earth occupancy on the low temperature properties of (R, R', R'...)Ni2Ge2 single crystals. Los Alamos National Laboratory, Preprint Archive, Condensed Matter (2006), 1-13, arXiv:cond-mat/0607455.

Prozorov, Ruslan; Vannette, Matthew D.; Samolyuk, German D.; Law, Stephanie A.; Bud'ko, Sergey L.; Canfield, Paul C.. Contact-less measurements of Shubnikov-de Haas oscillations in the magnetically ordered state of CeAgSb2 and SmAgSb2 single crystals. Los Alamos National Laboratory, Preprint Archive, Condensed Matter (2006),iv:cond-mat/0605546.

Alex Panchula

Johnston, D. C.; Kremer, R. K.; Troyer, M.; Wang, X.; Klumper, A.; Bud'ko, S. L.; Panchula, A. F.; Canfield, P. C.. Thermodynamics of spin S=1/2 antiferromagnetic uniform and alternating-exchange Heisenberg chains. Physical Review B: Condensed Matter and Materials Physics (2000), 61(14), 9558-9606.

Fisher, I. R.; Cheon, K. O.; Panchula, A. F.; Canfield, P. C.; Chernikov, M.; Ott, H. R.; Dennis, K. Magnetic and transport properties of single-grain R-Mg-Zn icosahedral quasicrystals [R=Y, (Y1-xGdx), (Y1-xTbx), Tb, Dy, Ho, and Er]. Physical Review B: Condensed Matter and Materials Physics (1999), 59(1), 308-321.

Paolasini, L.; Hennion, B.; Panchula, A.; Myers, K.; Canfield, P.. Lattice dynamics of cubic Laves phase ferromagnets. Physical Review B: Condensed Matter and Materials Physics (1998), 58(18), 12125-12133.

Paolasini, L.; Dervenagas, P.; Vulliet, P.; Sanchez, J.-P.; Lander, G. H.; Hiess, A.; Panchula, A.; Canfield, P.. Magnetic response function of the itinerant ferromagnet CeFe2. Physical Review B: Condensed Matter and Materials Physics (1998), 58(18), 12117-12124.

Fisher, I. R.; Islam, Z.; Panchula, A. F.; Cheon, K. O.; Kramer, M. J.; Canfield, P. C.; Goldman, A. I. Growth of large-grain R-Mg-Zn quasicrystals from the ternary melt (R = Y, Er, Ho, Dy and Tb). Philosophical Magazine B: Physics of Condensed Matter: Statistical Mechanics, Electronic, Optical and Magnetic Properties (1998), 77(6), 1601-1615.

Dervenagas, P.; Paolasini, L.; Hiess, A.; Lander, G. H.; Panchula, A.; Canfield, P.. Competing exchange interactions in ferromagnetic CeFe2. Physica B: Condensed Matter (Amsterdam) (1998), Volume Date 1997, 241-243 649-650.

Yatskar, A.; Beyermann, W. P.; Movshovich, R.; Canfield, P. C.; Panchula, A.; Bud'ko, S. L. Unexpected heavy-electron behavior at low temps. in PrInAg2. Physica B: Condensed Matter (Amsterdam) (1997), 230-232 46-48.

Caciuffo, R.; Griveau, J. -C.; Kolberg, D.; Wastin, F.; Rinaldi, D.; Panchula, A.; Canfield, P.. Static and dynamic magnetic response of CeFe2. Journal of Applied Physics (1999), 85(8, Pt. 2B), 6229-6231.

Liz Potter

S. D. Kawaler, E. M. Potter, M. Vuckovic et al. (the WET collaboration), 'Whole Earth Telescope observations of the pulsating hot white dwarf PG 1707 427', Astronomy & Astrophysics, 428, 969 (2004).

J. Spring

J. Spring & F. Krennrich, %u201CCalibration of photomultiplier tubes%u201D, Fall 2001 (internal report)

Joel Strand

Suderow, H.; Vieira, S.; Strand, J. D.; Bud'ko, S.; Canfield, P. C.. Very-low-temperature tunneling spectroscopy in the heavy-fermion superconductor PrOs4Sb12. Physical Review B: Condensed Matter and Materials Physics (2004), 69(6), 060504/1-060504/4.

Bud'ko, S. L.; Strand, J. D.; Anderson, N. E., Jr.; Ribeiro, R. A.; Canfield, P. C.. Evolution from long-range order to Kondo lattice in Gd1-xYbxNi2B2C. Physical Review B: Condensed Matter and Materials Physics (2003), 68(10), 104417/1-104417/8.

Condron, Cathie L.; Strand, Joel D.; Canfield, Paul C.; Miller, Gordon J. The intermetallic compound Gd6Ta4Al43. Acta Crystallographica, Section E: Structure Reports Online (2003), E59(11), i147-i148.

Condron, Cathie L.; Miller, Gordon J.; Strand, Joel D.; Bud'ko, Sergey L.; Canfield, Paul C.. A New Look at Bonding in Trialuminides: Reinvestigation of TaAl3. Inorganic Chemistry (2003), 42(25), 8371-8376.

Petrovic, C.; Bud'ko, S. L.; Strand, J. D.; Canfield, P. C.. Anisotropic properties of rare earth silver dibismites. Journal of Magnetism and Magnetic Materials (2003), 261(1-2), 210-221.

Kyle M. Walker

Laws, C., Gonzalez, G., Walker, K. M., Tyagi, S., Dodsworth, J., Snider, K. and Suntzeff, N. B. 2003, 'Parent Stars of Extrasolar Planets. VII. New Abundance Analyses of 30 Systems,' Astronomical Journal, 125, 2664-2677.