A115 Physics
Iowa State University
Ames, Iowa 50011


Phone: (515) 294-3455
Fax: (515) 294-0689
Email: finnemore@ameslab.gov

B. S. 1956, Pennsylvania State University; Ph.D. 1962, University of Illinois; Iowa State University 1962-present; Ames Laboratory, 1962-present; Program Director for Solid State Physics 1977-1983, Associate Director for Science and Technology 1983-88; Chair, Department of Physics and Astronomy, 1994-1999.

RESEARCH INTERESTS

Primarily superconductivity. Specific problems include 1) stripe phase superconductors 2) the study of superconductor-normal metal composites with the goal of developing a science base for microfilamentary composites suitable for large scale magnets, and 3) the study of the motion of isolated vortices in thin films with the goal of developing a science base for pinning forces.

SELECTED PUBLICATIONS

Ostenson and D. K. Finnemore, "Magnetization of stripe phase superconductors," Chinese J. Phys. 36, 297 (1998).

J. E. Ostenson, M. J. Breitwisch, D. Kouzoudis, and D. K. Finnemore, "Growth of transient phases during Bi(2212) to Bi(2223) transformation," Advances in Cryogenic Engineering (Materials), Vol. 44, pp. 443 (1998).

D. K. Finnemore, "Type I and Type II superconductivity," Encyclopedia of Electrical Engineering, J. G. Webster Ed., John Wiley and Sons, Inc., NY, Vol. 21, p. 108 (1999).

D. K. Finnemore, K. E. Gray, M. P. Maley, D. O. Welch, D. K. Christen, and D. M. Kroeger, "Coated conductor development:  An assessment," Physica C 320, (1999).

Kh. A. Ziq, P. C. Canfield, J. E. Ostenson, and D. K. Finnemore, "Scaling of flux pinning with the thermodynamic critical field, " Phys. Rev. B 60, 3603 (1999).

D. Kouzoudis, M. Breitwisch, and D. K. Finnemore, “Edge barrier pinning for a single superconducting vortex,” Phys. Rev. B 60, 10,508 (1999).

M. Breitwisch and D. K. Finnemore, "Pinning of a single Abrikosov vortex in superconducting Nb thin films using artificially induced pinning sites," Phys. Rev. B 62, 671 (2000).

Y. M. Huh, J. E. Ostenson, F. Borsa, V. G. Kogan, D. K. Finnemore, A. Vietkin, A. Revcolevschi, and M. H. Julien, "Reversible magnetization and superconducting-state thermodynamic parameters for underdoped LaSrCuO." Phys. Rev. 63, 064512 (2001).

D. K. Finnemore, J. E. Ostenson, S. L. Bud'ko, G. Lapertot, and P. C. Canfield, "Thermodynamic and transport properties of Mg₁₀B₂," Phys. Rev. Lett. 86, 2420 (2001).

P. C. Canfield, D. K. Finnemore, S. L. Bud'ko, J. E. Ostenson, G. Lapertot, C. E. Cunningham, and C. Petrovic, "Superconductivity in dense MgB₂ Wire," Phys. Rev. Lett. 86, 2423 (2001).

C. E. Cunningham, C. Petrovic, G. Lapertot, S. L. Bud'ko, F. Laabs, W. Straszheim, D. K. Finnemore, and P. C. Canfield, "Synthesis and processing of MgB₂ powders and wires," Physica C (accepted 22 Mar 01).

J. E. Ostenson, M. Breitwisch, D. K. Finnemore, M. J. Kramer, and R. W. McCallum, "Occurrence of Pb-rich phases in the formation of Bi-2223," J. Mat. Proc. and Tech. (submitted).

Y. M. Huh and D. K. Finnemore, "Thermodynamic critical field of LaSrCu)," Mod. Phys. B (submitted).

N. Hakim, P. V. Parimi, C. Kusko, S. Sridhar, P. C. Canfield, S. L. Bud'ko, and D. K. Finnemore, "Microwave properties of superconducting MgB₂, Cond-Mat 0103422.

M. Breitwisch and D. K. Finnemore, “Pinning of a single Abrikosov vortex in superconducting thin films using artificially induced pinning sites,” Phys. Rev. B (submitted).

M. Breitwisch and D. K. Finnemore Pinning of a single Abrikosov vortex in superconducting Nb thin films using artificially induced pinning sites, Phys. Rev. B (accepted).


D.K.Finnemore Type I and Type II Superconductivity Encyclopedia of Electrical Engineering, J. G. Webster, Ed., John Wiley and Sons, Inc., NY, Vol. 21, p. 108 (1999).



D. K. Finnemore, K. E. Gray, M. P. Maley, D. O. Welch, D. K. Christen, and D. M. Kroeger Coated Conductor Development and Assessment Physica C 320, 1 (1999).



Kh. A. Ziq, P. C. Canfield, J. E. Ostenson, and D. K. Finnemore Scaling of Flux Pinning with Thermodynamic Critical Field Phys. Rev. B 60, 3603 (1999).



D. Kouzoudis, M. Breitwisch, and D. K. Finnemore Edge Barrier Pinning for a Single Supedrconducting Vortex Phys. Rev. B 60, 10,508 (1999).



K. C. Goretta, P. Diko, Ming Jiang, M. M. Cuber, Ming Xu, J. E. Ostenson, and S. Sengupta Annealing and mechanical properties of bulk Y-Ba-Cu-O, IEEE Trans. Appl. Super. 9, 2081 (1999).


J. E. Ostenson and D. K. Finnemore Magnetization of stripe phase superconductors, Chinese J. Phys. 36, 297 (1998).



D. K. Finnemore Type I and Type II superconductivity, Encyclopedia of Electrical Engineering, J. G. Webster Ed., John Wiley and Sons, Inc., NY (1998).



J. E. Ostenson, S. Bud'ko, M. Breitwisch, D. K. Finnemore, N. Icikawa, and S. Uchida Flux expulsion and reversible magnetization in the stripe phase superconductor La_1.45Sr_0.15Nd_0.40CuO₄, Phys. Rev. B 56, 2820 (1997).



M. J. Breitwisch, D. Kouzoudis, J. E. Ostenson, D. K. Finnemore, and U. Balachandran Characterization of interfacial growth between Bi(2212) and Ag coating, IEEE Trans. Appl. Super. 7 1691 (1997).



L. A. Schwarzkopf and D. K. Finnemore Ranp rate effect in Bi(2223) formation, IEEE Trans. Appl. Super. 7, 1415 (1997).