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Shefford P. Baker

Associate Professor

Primary Research Areas

  • biomaterials
  • metals
  • nanomaterials
  • solid mechanics and materials
  • thin films

Graduate Fields

Research Focus

My group is interested in mechanical behavior in small dimensions--either a characteristic length scale in the microstructure or the overall dimensions of the object--become small. This provides both fundamental and technological challenges. We strive to develop fundamental understanding across length scales by careful examination of phenomena at the nanoscale. Since mechanical stability is fundamental to all engineered objects, this work has immediate applications in a wide range of technologies, particularly those involving some form of nanofabrication.

Educational Background

  • Ph.D. 1993 (Stanford)
  • M.S. 1988 (Stanford)
  • B.M. 1982 (New Mexico)

Research Grants

  • STRESSES, DEFORMATION AND DESLOCATIONS IN THIN FILMS: COMBINING MODELING AND SIMULATIONS WITH EXPERIMENTS
  • MICROSTRUCTURE AND MECHANICAL BEHAVIOR OF TANTALUM THIN FILMS

Selected Publications

PubMed Listings

* Heiko Th. Hesemann, Peter Müllner, Oliver Kraft, David Nowak, Shefford P. Baker, Ken Finkelstein, and Eduard Arzt, “Texture Dependence of the martensitic Transformation in Cobalt Thin Films,” Scripta Materialia, 48(8) 1129-1133 (2003)

Shefford P. Baker, Rose-Marie Keller-Flaig, and Jonathan B. Shu, “Bauschinger Effect and Anomalous Deformation Induced by Oxygen in Passivated Thin Cu Films on Substrates” Acta Materialia, 51(10) 3019-3036 (2003)

Prita Pant, K.W. Schwarz, and Shefford P. Baker, “Dislocation Interactions in Thin FCC Metal Films,” Acta Materialia, 51(11) 3243-3258 (2003)

Jonathan B. Shu, Susan B. Clyburn, Thomas E. Mates, and Shefford P. Baker, “Effect of Oxygen on the Thermomechanical Behavior of Passivated Cu Thin Films,’ Journal of Materials Research, 18(9) 2122-2134 (2003)

Mengzhi Pang and Shefford P. Baker, “Quantitative Measurements of Subcritical Debonding of Cu Films from Glass Substrates” Journal of Materials Research, 20(9) 2420-2431 (2005)

Eve Donnnelly, Shefford P. Baker, Adele L. Boskey, and Marjolein C.H. van der Meulen, “Effects of surface roughness and maximum load on the mechanical properties of cancellous bone measured by nanoindentation” Journal of Biomedical Materials Research, 77A 426-435 (2006)

Eve Donnelly, Rebecca M. Williams, Seth A. Downs, Michelle E. Dickinson, Shefford P. Baker, and Marjolein C.H. van der Meulen, “Quasistatic and dynamic nanomechanical properties of cancellous bone tissue relate to collagen content and organization” Journal of Materials Research, 21(8) 2106-2117 (2006)

* D. E. Nowak, D. R. Blasini, A. M. Vodnick, B. Blank, M. W. Tate, A. Deyhim, D.-M. Smilgies, H. Abruña, S. M. Gruner, and S. P. Baker, “A six-circle diffractometer with atmosphere- and temperature-controlled sample stage and area and line detectors for use in the G2 experimental station at CHESS” Review of Scientific Instruments, 77 (11) 113301 (2006)

Robert Knepper, Blake Stevens, and Shefford P. Baker, “Effect of oxygen on the thermomechanical behavior of tantalum thin films during the β-α phase transformation” Journal of Applied Physics 100(12) 123508 (2006)

Cormac J. Byrne, Aaron M. Kueck, Shefford P. Baker, and Paul H. Steen “In-situ manipulation of cooling rates during planar-flow melt-spinning processing” Materials Science and Engineering A 459 172-181 (2007)

Robert Knepper and Shefford P. Baker, “Coefficient of thermal expansion and biaxial elastic modulus of β phase tantalum thin films” Applied Physics Letters, 90, 181908 (2007)