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Kevin W. Dennis

Assistant Scientist III
Address
39 Wilhelm Hall
The Ames Laboratory
Ames, IA 50011-3020
Phone 515-294-7899
Fax 515-294-4291
Email dennis@ameslab.gov

Research Interests

  • Magnetism of complex intermetallics
  • Rapid solidification
  • Magnetic and thermal analysis techniques
  • Superconducting materials

(Chronologically most recent on top)Education

  • ChE Wayne State University, Detroit, MI, 1983

(Chronologically most recent on top)Professional Appointments

  • 2005 - present Ames Laboratory Safety Review Committee Chairperson
  • 1988 - present Assistant Scientist, Ames Laboratory, US Department of Energy
  • 1983 - 1988 Research Engineer, Energy Conversion Devices, Ovonic Synthetic Materials, Troy, MI

(Chronologically most recent on top)Publications with the Ames Laboratory

2012
Tang W; Xing Q F; Dennis K W; Oster N T; Kramer M J; Anderson I E; McCallum R W . 2012. Anisotropic Hot-Deformed MRE-Fe-B Magnets With Zn Powder Addition (MRE = Nd plus Y plus Dy). IEEE Transactions on Magnetics. 48:3147-3149. abstract
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Liu Y; Xing Q; Dennis K W; McCallum R W; Lograsso T A . 2012. Evolution of precipitate morphology during heat treatment and its implications for the superconductivity in KxFe1.6+ySe2 single crystals. Physical Review B. 86:144507. abstract
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Fang X K; McCallum K; Pratt H D; Anderson T M; Dennis K; Luban M . 2012. A co-crystal of polyoxometalates exhibiting single-molecule magnet behavior: the structural origin of a large magnetic anisotropy. Dalton Transactions. 41:9867-9870. abstract
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Jesche A; Dennis K W; Kreyssig A; Canfield P C . 2012. Nearly itinerant ferromagnetism in CaNi2 and CaNi3. Physical Review B. 85:224432. abstract
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Bi W; Souza-Neto N M; Haskel D; Fabbris G; Alp E E; Zhao J; Hennig R G; Abd-Elmeguid M M; Meng Y; McCallum R W; Dennis K; Schilling J S . 2012. Synchrotron x-ray spectroscopy studies of valence and magnetic state in europium metal to extreme pressures. Physical Review B. 85:205134. abstract
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Oster N T; Cavanaugh D T; Dennis K W; Kramer M J; McCallum R W; Anderson I E . 2012. Effects of Ag additions on melt-spun RE2Fe14B microstructure and texture. Journal of Applied Physics. 111:07a723. abstract
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Tang W; Dennis K W; Kramer M J; Anderson I E; McCallum R W . 2012. Studies of sintered MRE-Fe-B magnets by DyF3 addition or diffusion treatment (MRE = Nd+Y+Dy). Journal of Applied Physics. 111:07a736. abstract
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2011
Yan J-Q; Xing Q; Jensen B; Xu H; Dennis K W; McCallum R W; Lograsso T A . 2011. Contamination from Magnetic Starting Materials in Flux-grown Single Crystals of RFeAsO Superconductors. Physical Review B. 84:012501. abstract
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Wu Y Q; Tang W; Dennis K W; Oster N; McCallum R W; Anderson I E; Kramer M J . 2011. Effective grain pinning revealed by nanoscale electron tomography. Journal of Applied Physics. 109:07a705. abstract
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Tang W; Wu Y Q; Dennis K W; Oster N T; Kramer M J; Anderson I E; McCallum R W . 2011. Studies of microstructure and magnetic properties in sintered mixed rare earth (MRE) -Fe-B magnets (MRE = Nd plus La plus Dy). Journal of Applied Physics. 109:07a704. abstract
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