PERSONAL HISTORY
B.S. 1983, Chemical Engineering, Wayne State University, Detroit, MI; Research Staff Engineer, Energy Conversion Devices/Ovonic Synthetic Materials, Inc., Troy, MI, 1983-88, Ames Laboratory 1988-present.

RESEARCH INTERESTS
Rapid solidification processes, fabrication of modified ternary and intermetallic rare earth compounds and exploration of their magnetic and electronic properties, fabrication of magnetic glasses and nanostructured materials, and exploration of microstructure / electronic property relationships using magnetometry, thermal analysis, diffraction, and electron microscopy techniques.

SELECTED PUBLICATIONS
D.W. Deng, K.H. Kuo, Z.P. Luo, D.J. Miller, M.J. Kramer, and K.W. Dennis
“Crystal structure of the hexagonal Zn3MgY phase,” J. Alloys Compd., Vol. 373 (1-2), p. 156-160 (2004).

S.E. Sebastian, T. Huie, I.R. Fisher, K.W. Dennis, and M.J. Kramer
“Magnetic properties of single grain R-Mg-Cd primitive icosahedral quasicrystals (R=Y, Gd, Tb or Dy),” Philosophical Mag., Vol. 84 (10), p. 1029-1037 (2004).

A.O. Pecharsky, Y. Mozharivskyj, K.W. Dennis, K.A. Gschneidner, Jr.; R.W. McCallum, G.J. Miller, and V.K. Pecharsky
“Preparation, crystal structure, heat capacity, magnetism, and the magnetocaloric effect of Pr5Ni1.9Si3 and PrNi,” Phys. Review B: Condnsd. Mttr. Mater. Phys., Vol. 68(13), 134452/1-134452/8 (2003).

Y.L. Tang, M.J. Kramer, K.W. Dennis, R.W. McCallum, and L.H. Lewis
“On the control of microstructure in rapidly solidified Nd-Fe-B alloys through melt treatment,” J. Magn. Magn. Mater., Vol. 267(3), p. 307-315 (2003).

M.J. Kramer, Y. Xu, K.W. Dennis, I.E. Anderson, and R.W. McCallum
“Development of improved powder for bonded permanent magnets,” IEEE Trans. Magn., Vol. 39 (5, Pt. 2), p. 2971-2973 (2003).

Y. Xu, N. Yang, K.W. Dennis, R.W. McCallum, M.J. Kramer, Y. Zhang, and P.L. Lee
“Processing induced changes in Curie temperature of Nd2Fe14B melt-spun ribbons,” J. Appl. Phys., Vol. 93 (10, Pt. 3), p. 7993-7995 (2003).

N. Yang, K.W. Dennis, R.W. McCallum, M.J. Kramer, Y. Zhang, and P.L. Lee
“Role of the Fe sublattice on the Invar anomaly in R2Fe14B compounds,” J. Appl. Phys., Vol. 93 (10, Pt. 3), p. 7990-7992 (2003).

D.J. Branagan, B.E. Meacham, R.W. McCallum, K.W. Dennis, and M.J. Kramer
“High hysteresis in a homogeneous metallic glass,” J. Appl. Phys., Vol. 93 (10, Pt. 3), p. 7969-7971 (2003).