Curriculum Vitae: Andrew J. Newell

Educational Background

Ph.D. in Geophysics, University of Washington, 1997

M.Sc. in Geophysics, University of Toronto, 1990

B.Sc. in Mathematics and Physics, University of Toronto, 1987

Honors

A. Johnston Memorial Scholarship, Geophysics Program, University of Washington, 1996

C. L. Burton Scholarship for Mathematics and/or Physical Sciences, University of Toronto, 1985

Academic Appointments

Assistant Research Professor, MEAS, 2004–present

Research Associate, CRSC, 2004–present

University Fellow, SAMSI, Spring 2004

Research Assistant I, University of California Santa Barbara, 2000–2003

Postdoctoral Research Assistant, Scripps Institution of Oceanography, 1999

Research Assistant I, University of Washington, 1998

Research Grants (Lead PI)

CMG Collaborative Research: Magnetic Viscosity and Thermoremanent Magnetization in Interacting Single-domain Ferromagnets (co-PI: Dan Bates, Colorado State University), National Science Foundation, $234,966 (2010-2013)

Ferromagnetic Resonance of Interacting Particles: A Theoretical Study, National Science Foundation, $79,460 (2010-2011)

Collaborative Research: The Effect of Dislocations on Magnetic Properties of Small Titanomagnetite Minerals (co-PI: Joshua Feinberg, University of Minnesota), National Science Foundation, $160,304 (2008-2011)

Quantification of the Evolutionary Forces Shaping Biogenic Magnetite and Criteria for Detecting it in the Fossil Record, NASA, $177,477 (2003-2006)

Magnetic Hysteresis in Magnetite: Are Synthetic Samples Stressed?, National Science Foundation, $120,440 (2002-2003)

Theoretical Investigation of Hysteresis and Thermoremanent Magnetization in Multidomain Particles, National Science Foundation, $90,000 (2001-2002)

Theoretical and Experimental Investigation of Low-temperature Magnetic Phase Transitions and Application to Paleomagnetism, National Science Foundation, $134,000 (2000)

Refereed Publications

Newell, A. J., Transition to superparamagnetism in chains of magnetosome crystals, Geochem. Geophys. Geosyst., 10, Q11Z08 (2009).

Newell, A. J., Superparamagnetic relaxation times for mixed anisotropy and high energy barriers with intermediate-to-high damping: I. Uniaxial axis in a 001direction, Geochem. Geophys. Geosyst., 7, Q03016 (2006).

Newell, A. J., Superparamagnetic relaxation times for mixed anisotropy and high energy barriers with intermediate-to-high damping: II. Uniaxial axis in a 111direction, Geochem. Geophys. Geosyst., 7, Q03015 (2006).

Newell, A. J., A high-precision model of first-order reversal curve (FORC) functions for single-domain ferromagnets with uniaxial anisotropy, Geochemistry Geophysics Geosystems, 6, Q05010 (2005).

Selkin, P. A., J. S. Gee, L. Tauxe, W. P. Meurer, and A. J. Newell, The effect of remanence anisotropy on paleointensity estimates: A case study from the Archean Stillwater complex, Earth and Planetary Science Letters, 183, 403-416 (2000).

Newell, A. J., and R. T. Merrill, The size dependence of hysteresis properties of small PSD grains, J. Geophys. Res., 105, 19,393–19,404 (2000).

Newell, A. J., and Merrill, R. T., Nucleation and stability of ferromagnetic states, J. Geophys. Res., 105, 19,377–19,392 (2000).

Newell, A. J., The Lowrie-Fuller test: single-domain and micromagnetic theory, Earth and Planetary Science Letters, 183, 335-346 (2000).

Newell, A. J., and R. T. Merrill, Single-domain critical sizes for coercivity and remanence, J. Geophys. Res., 104, 617-628 (1999).

Newell, A. J. and R. T. Merrill, The curling nucleation mode in a ferromagnetic cube, J. Appl. Phys., 84, 4394-4402 (1998).

Dunlop, D. J. , A. J. Newell and R. J. Enkin, Transdomain thermoremanent magnetization, Journal of Geophysical Research, 99, 19741-19756 (1994).

Xu, S., D. J. Dunlop, and A. J. Newell, Micromagnetic modeling of two-dimensional domain structures in magnetite, J. Geophys. Res., 99, 9035-9044

Ye, J., A. J. Newell, and R. T. Merrill, A re-evaluation of magnetocrystalline anisotropy and magnetostriction constants, Geophys. Res. Lett., 21, 25-28 (1994).

Newell, A. J., D. J. Dunlop, and W. Williams, A two-dimensional micromagnetic model of magnetizations and fields in magnetite, J. Geophys. Res., 98, 9533-9549 (1993).

Newell, A. J., W. Williams, and D. J. Dunlop, A generalization of the demagnetizing tensor for nonuniform magnetization, J. Geophys. Res., 98, 9551-9555 (1993).

Invited Seminars

Time-dependent Magnetic Hysteresis (Colorado State University Mathematics Department, 2010).

Magnetic Compasses in Bacteria: Evolutionary Advantages (MEAS, 2009)

Magnetic Compasses in Bacteria (Duke, 2007)

Recent Presentations (invited)

Newell, A. J., M. Tang, Anna Lindquist and J. Feinberg, Domain wall pinning revisited, Eighth Santa Fe Conference on Rock Magnetism (2010).

Newell, A. J., J. Feinberg and M. Tang, The Magnetic Effect of Dislocations in Small Ferromagnetic Minerals, SIAM Conference on Mathematical Aspects of Materials Science (2010).

Newell, A. J., Plenty of room at the bottom: The superparamagnetic transition in chains of magnetite crystals, AGU Joint Assembly (2009).

Newell, A. J., Micromagnetism needs more defects! Seventh Santa Fe Conference on Rock Magnetism (2006).

Newell, A. J., Predicting hysteresis with Preisach models, AGU Fall Meeting (2004).

Recent Presentations (submitted)

Newell, A. J., Theoretical calculation of ferromagnetic resonance spectra for chains of magnetic particles, AGU Fall Meeting (2010).

Newell, A. J., Geophysics on Wikipedia, AGU Fall Meeting (2010).

Newell, A. J., When do particle interactions lead to breakdown of the Thellier laws? AGU Fall Meeting (2009).

Newell, A. J., J. Feinberg and M. Tang, The magnetic effect of dislocations in small ferromagnetic minerals, AGU Joint Assembly (2009).

Newell, A. J., Effect of thermal fluctuations on hysteresis of chains of magnetite crystals, IAGA (2009).

Newell, A. J. and R. Egli, Effect of thermal fluctuations on first-order reversal curves of single-domain particles, IAGA (2009).

Newell, A. J., A new method of calculating magnetic hysteresis and thermal effects, AGU Fall Meeting (2008).

Tang, M., Newell, A. J., and Feinberg, J., Dislocations in single-domain grains: Linking stress fields to magnetic hysteresis properties, AGU Fall Meeting (2008).

Newell, A. J., Fast hysteresis and relaxation calculations, 2008 International Conference on Rock Magnetism: Institut d’Études Scientifiques de Cargèse (2008)

Newell, A. J., Beyond the Néel-Brown theory: Magnetic relaxation in more than one dimension, Micromagnetics: Experiments, Modeling, and Mathematical Theory, Bonn, Germany (2006).

Newell, A. J., Thermoremanent magnetization (TRM) and Thellier laws in single-domain particles with mixed anisotropy, AGU Fall Meeting (2005).

Newell, A. J., The swimming efficiency of magnetotactic bacteria, AGU Fall Meeting (2005).

Newell, A. J., Magnetotactic bacteria: When is magnetotaxis advantageous?, Eighth NASA Exobiology Principal Investigator’s Symposium (2005).

Newell, A. J., Paradigms for Bridging Scales, Multiscale Model Development and Control Design Closing Workshop (2004).

Newell, A. J., FORCs, SORCs, and Stoner-Wohlfarth theory, AGU Fall Meeting (2003).

Newell, A. J., Fundamental rock magnetic database, PMAG Workshop (2002).

Newell, A. J., Symmetry in micromagnetics, AGU Fall Meeting (2002).

Teaching Experience

Introduction to Geophysics, NCSU, 2005

Geodynamics, University of California Santa Barbara, 2002

Geological Data Analysis University of California Santa Barbara, 2001

Professional Activities

Journal reviews: Earth and Planetary Science Letters; Geochemistry, Geomagnetism and Geoelectricity; Geophysical Journal International; IEEE Transactions on Magnetism; Journal of Geophysical Research; Nature Nanotechnology; Physics of the Earth and Planetary Interiors; Journal of Applied Physics.

Proposal reviews: National Science Foundation; National Research Council; National Environmental Research Council (U.K.); European Science Foundation; and the Austrian Science Fund. Fellowship application review for Graduate Women in Science.

Co-convener, “Quantitative modeling of mineral magnetic data”, Eighth Santa Fe Conference on Rock Magnetism (2010); “Experimental characterization, models and imaging of magnetic phases relevant to paleo- and environmental magnetism”, Meeting of the Americas (2010); “Techniques of measurement and modeling”, Seventh Santa Fe Conference on Rock Magnetism (2006); “Magnetic data analysis and dissemination”, Sixth Santa Fe Conference on Rock Magnetism (2004); Session MG12, EGS/AGU/EUG (2003)

External examiner for Ph.D. dissertation by Ramon Egli, Swiss Federal Institute of Technology, Zürich, Switzerland (2003)

Service and Outreach

MEA101 Sunday Leaders series: “How Bacteria do it” (2010); “Guns, Germs and Steel” (2009)

Coach of Odyssey of the Mind team for J. Y. Joyner Elementary School, Raleigh, NC (2007-2009)

Moderator (2005-6) and science judge (2007) for Blue Heron Bowl

Interviews on WRAL TV and WPTF radio (2005)

Professional Affiliations

American Geophysical Union, American Association for the Advancement of Science and Sigma Xi

Recent Collaborators

Meijie Tang (Lawrence Livermore), Wei Cai (Stanford University), Joshua Feinberg and Anna Lindquist (University of Minnesota), Ramon Egli (University of Munich), Dan Bates and Matt Niemerg (Colorado State University)