CYNTHIA J. JENKS

 

Scientist, Ames Laboratory

221 Spedding Hall, Ames, IA 50011

phone 515-294-8486

cjenks@iastate.edu

 

 

 

PERSONAL HISTORY

1986                B.S., Chemical Engineering, University of California, Los Angeles

1988                M.S., Chemical Engineering, Columbia University

1991                M.Phil., Chemistry, Columbia University

1992                Ph.D., Chemistry, Columbia University

1992-95           Postdoctoral Research Associate, Iowa State University

1995-2002       Associate Scientist, Ames Laboratory

2002-present   Scientist, Ames Laboratory

 

HONORS, AWARDS AND PROFESSIONAL ACTIVITIES

Co-organizer, Ninth International Conference on Quasicrystals, 2005

Iowa State University College of Liberal Arts and Sciences Award for Professional and Scientific Staff Excellence, 1999

U.S. Department of Energy Award for Outstanding Scientific Accomplishment in Materials Chemistry (with others), 1998

Ames Laboratory Safety Review Committee Member, 1998 - present

 

RESEARCH INTERESTS

Surface structure and reactivity of complex intermetallics; adsorbate bonding at surfaces; film growth and surface morphology.

 

INVITED TALKS

“Aperiodicity in a Periodic World,” C.J. Jenks, ACS Midwest Regional Meeting, Columbia, MO, November 2003.

“Surfaces of Quasicrystals,” C.J. Jenks, Aperiodic 2003, Belo Horizonte, Brazil, September 2003.

“Insight into the Surface Structure of Quasicrystalline Al-Pd-Mn,” C.J. Jenks, 2nd United Kingdom “Improving our Understanding of Quasicrystals via Surface Studies,” Workshop on Quasicrystal Surfaces, Liverpool, United Kingdom, June 2003.

“Improving our Understanding of Quasicrystals via Surface Studies,” C. J. Jenks, Sandia National Laboratories, Livermore, CA, March 2003.

 

SELECTED RECENT PUBLICATIONS

“Experimental Evidence of the Stability of Net Planes in Decagonal Quasicrystals,” C.J. Jenks, J. Bjergaard, P. Canfield, A.R. Ross, W. Steurer, P.A. Thiel, J. Non-Cryst. Solids, (in press).

“Tribological Properties of a B2-type Al-Pd-Mn Quasicrystal Approximant,” C. Mancinelli, C.J. Jenks, P.A. Thiel, A.J. Gellman, J. Mater. Res., 18, 1447-1456 (2003).

"Probing the Surface Structure of Quasicrystals via Angle-Resolved Low Energy Ion Scattering," C.J. Jenks and R. Bastasz, Prog. Surf. Sci., (in press)

“Angle-Resolved Low-Energy Ion Scattering Studies of Quasicrystalline Al-Pd-Mn,” C.J. Jenks, A.R. Ross, T.A. Lograsso, J.A. Whaley, R. Bastasz, Surf. Sci., 521, 34-42 (2002).

"Surface Preparation and Characterization of the Icosahedral Al-Ga-Pd-Mn Quasicrystal," M. Heinzig, C. J. Jenks, M. Van Hove, I. Fisher, P. Canfield, and P. A. Thiel, J. Alloys Comps., 338, 248 (2002).

"Quasicrystal Surfaces: Potential as Templates for Molecular Adsorption," R. McGrath, J. Ledieu, E. J. Cox, S. Haq, R. D. Diehl, C. J. Jenks, I. Fisher, A. R. Ross, and T.A. Lograsso, J. Alloys Comps., 342, 432 (2002).

"Analysis of Gas-Phase Clusters Made from Laser-Vaporized Icosahedral Al-Pd-Mn," J. A. Barrow, D. J. Sordelet, M. F. Besser, C. J. Jenks, P. A. Thiel, E. F. Rexer, and S. J. Riley, J. Phys. Chem. A, 106, 9204 (2002).

"Morphological Evolution of the Fivefold Surface of i-AlPdMn Quasicrystals," G. Cappello, J. Chevrier, F. Schmithusen, A. Stierle, V. Formoso, F. Comin, M. de Boissieu, M. Boudard, T. Lograsso, C. Jenks, and D. Delaney, Phys. Rev. B, 65, 254405 (2002).

"Angle-Resolved Low-Energy Ion Scattering Studies of Quasicrystalline Al-Pd-Mn," C. J. Jenks, A. R. Ross, T. A. Lograsso, J. A. Whaley, and R. Bastasz, Surf. Sci., 521, 34 (2002).

“Determination of Auger Sensitivity Factors for Al-Rich Quasicrystals,” C.J. Jenks, T.E. Bloomer, M.J. Kramer, T.A. Lograsso, D.W. Delaney, A.R. Ross, D.J. Sordelet, M.F. Besser, and P.A. Thiel, Appl. Surf. Sci., 2001, 180, 57-64.

"Bulk and Surface Evidence for the Long-Range Spatial Modulation of X-ray Absorption in the Al-Pd-Mn Quasicrystal at Bragg Incidence," G. Cappello, A. Dechelette, F. Schmithusen, S. Decossas, J. Chevrier, F. Comin, V. Formoso, M. de Boissieu, T. Jach, R. Colella, T.A. Lograsso, C. Jenks, and D. Delaney, Mater. Sci. Eng., A, A294-296, 863-866 (2000).

"Characterization of Surface Morphologies at the Al-Pd-Mn Fivefold Surface," G. Cappello, F. Schmithusen, J. Chevrier, F. Comin, A. Stierle, V. Formoso, M. de Boissieu, M. Boudard, T.A. Lograsso, C. Jenks, and D. Delaney, Mater. Sci. Eng., A, A294-296, 822-825 (2000).

"Determination of Auger Sensitivity Factors for Al-Rich Quasicrystals," C.J. Jenks, T.E. Bloomer, M.J. Kramer, T.A. Lograsso, D.W. Delaney, A.R. Ross, D.J. Sordelet, M.F. Besser and P.A. Thiel, Appl. Surf. Sci., 180, 57-64 (2001).

“Evolution of Far-From-Equilibrium Nanostructures on Ag(100) Surfaces:  Protrusions and Indentations at Extended Step Edges,” A.M. Cadilhe, C.R. Stoldt, C.J. Jenks, P.A. Thiel, and J.W. Evans, Phys. Rev. B, 61, 4910-4925 (2000).

“Using Temperature to Tune Film Roughness:  Nonintuitive Behavior in a Simple System,” C.R. Stoldt, K.J. Caspersen, M.C. Bartelt, C.J. Jenks, J.W. Evans, P.A. Thiel, Phys. Rev. Lett., 85, 800-803 (2000).

"The Ten-Fold Surface of the Decagonal Al72Ni11Co17 Quasicrystal Studied by LEED, SPA-LEED, AES, and STM," E.J. Cox, J. Ledieu, R. McGrath, R.D. Diehl, C.J. Jenks, and I. Fisher, in Quasicrystals—Preparation, Properties and Applications: Symposium Held November 27-30, 2000, Boston, Massachusetts, U.S.A., Ed. by E. Belin-Ferré, P.A. Thiel, A.P. Tsai and K. Urban, Materials Research Society, K11.3.1-K11.3.6.

"TDS Study of Potassium Adsorption on Al(111) and Fivefold Al-Pd-Mn," B.I. Wehner, J.W. Anderegg, C.J. Jenks, A.R. Ross, T.A. Lograsso, R.D. Diehl, and P.A. Thiel, in Quasicrystals—Preparation, Properties and Applications: Symposium Held November 27-30, 2000, Boston, Massachusetts, U.S.A., Ed. by E. Belin-Ferré, P. A. Thiel, A.-P. Tsai and K. Urban, Materials Research Society, 2001, K11.4.1-K11.4.4.

"Low-Energy Ion Scattering Measurements from an Al-Pd-Mn Quasicrystal,"R. Bastasz, C.J. Jenks, T.A. Lograsso, A.R. Ross, P.A. Thiel , and J.A. Whaley, in Quasicrystals—Preparation, Properties and Applications: Symposium Held November 27-30, 2000, Boston, Massachusetts, U.S.A., Ed. by E. Belin-Ferré, P. A. Thiel, A.-P. Tsai and K. Urban, Materials Research Society, 2001, K11.1.1-K11.1.7.

"Analysis of Gas Phase Clusters made from Laser-Vaporized Icosahedral Al-Pd-Mn," J.A. Barrow, E.F. Rexer, D.J. Sordelet, M.F. Besser, C.J. Jenks, S.J. Riley, and P.A. Thiel, in Quasicrystals—Preparation, Properties and Applications: Symposium Held November 27-30, 2000, Boston, Massachusetts, U.S.A., Ed. by E. Belin-Ferré, P. A. Thiel, A.-P. Tsai and K. Urban,Materials Research Society, 2001, K5.4.1-K5.4.5.

"Comparative Study of the Tribological and Oxidative Properties of AlPdMn Quasicrystals and their Cubic Approximants," C. Mancinelli, J.S. Ko, C.J. Jenks, P.A. Thiel, A.R. Ross, T.A. Lograsso, and A.J. Gellman, in Quasicrystals—Preparation, Properties and Applications: Symposium Held November 27-30, 2000, Boston, Massachusetts, U.S.A., Ed. by E. Belin-Ferré, P. A. Thiel, A.P. Tsai and K. Urban, Materials Research Society, 2001, K8.2.1-K8.2.9.