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

2009
Ma C; Yan J Q; Dennis K W; McCallum R W; Tan X . 2009. Synthesis, thermal stability and magnetic properties of the Lu1-xLaxMn2O5 solid solution. Journal of Solid State Chemistry. 182:3013-3020. abstract
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Yan J Q; Nandi S; Zarestky J L; Tian W; Kreyssig A; Jensen B; Kracher A; Dennis K W; McQueeney R J; Goldman A I; McCallum R W; Lograsso T A . 2009. Flux growth at ambient pressure of millimeter-sized single crystals of LaFeAsO, LaFeAsO1-xFx, and LaFe1-xCoxAsO. Applied Physics Letters. 95:222504. abstract
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Ma C; Yan J Q; Dennis K W; Llobet A; McCallum R W; Tan X . 2009. Effect of oxygen content on the magnetic properties of multiferroic YMn2O5+delta. Journal of Physics-Condensed Matter. 21:346002. abstract
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McCallum R W; Yan J Q; Rustan G E; Mun E D; Singh Y; Das S; Nath R; Bud'ko S L; Dennis K W; Johnston D C; Canfield P C; Kramer M J; Kreyssig A; Lograsso T A; Goldman A I . 2009. In situ high energy x-ray synchrotron diffraction study of the synthesis and stoichiometry of LaFeAsO and LaFeAsO1-xFy. Journal of Applied Physics. 105:123912. abstract
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Wu Y Q; Tang W; Kramer M J; Dennis K W; Oster N; McCallum R W; Anderson I E . 2009. Correlation of the energy product with evolution of the nanostructure in the Y,Dy,Nd-(Fe, Co)-B magnetic alloy. Journal of Applied Physics. 105:07a720. abstract
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Yuhasz W M; Schlagel D L; Xing Q; Dennis K W; McCallum R W; Lograsso T A . 2009. Influence of annealing and phase decomposition on the magnetostructural transitions in Ni50Mn39Sn11. Journal of Applied Physics. 105:07a921. 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 . 2009. Magnetic properties and microstructure of gas atomized MRE2(Fe,Co)(14)B powder with ZrC addition (MRE=Nd plus Y plus Dy). Journal of Applied Physics. 105:07a728. abstract
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Ma C; Yan J Q; Dennis K W; McCallum R W; Tan X . 2009. Size-dependent magnetic properties of high oxygen content YMn2O5 +/-delta multiferroic nanoparticles. Journal of Applied Physics. 105:033908. abstract
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2008
Jia S; Ni N; Samolyuk G D; Safa-Sefat A; Dennis K; Ko H; Miller G J; Bud'ko S L; Canfield P C . 2008. Variation of the magnetic ordering in GdT2Zn20 (T=Fe, Ru, Os, Co, Rh and Ir) and its correlation with the electronic structure of isostructural YT2Zn20. Physical Review B. 77:104408. abstract
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Janssen Y; Dennis K W; Prozorov R; Canfield P C; McCallum R W . 2008. Exotic (anti)ferromagnetism in single crystals of Pr6Ni2Si3. Physical Review B. 77:214407. abstract
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