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Current Research
The primary objective of Dr. Shield’s research program is to understand and control the microstructural evolution of materials during processing. Rapid solidification processing is of particular interest, as are nanostructured functional materials. Recent work is directed in the general area of high energy permanent magnets and studying the interfacial effects in exchange spring and exchange bias systems. Characterization specialties include electron microscopy and x-ray scattering techniques.
Recent Publications
X. Rui, Z. Sun, R. Skomski, Y. Xu, D.J. Sellmyer, Y.Q. Wu, M.J. Kramer and J.E. Shield, "Intra-cluster Exchange-coupled High Performance Permanent Magnets," J. Magn. Magn. Mater. 320, 2576 (2008). J. Kostogorova-Beller, M.J. Kramer and J.E. Shield, "Studies of Order-Disorder Phase Transformations in Rare Earth-Transition Metal Intermetallics with 2-17 Stoichiometry," J. Mater. Res. 23, 2886 (2008).
J. Kostogorova-Beller, M.J. Kramer and J.E. Shield, "Phase Formation in Rapidly Solidified R2T17 Intermetallics," J. Alloys and Cmpds 463,207 (2008).
M.A. Morales, R. Skomski, S. Fritz, G. Shelburne, J.E. Shield, Min Ying, Stephen O'Brien, and D.L. Leslie-Pelecky, "Surface Anisotropy and Magnetic Freezing of MnO Nanoparticles," Phys. Rev. B 75, 134423-1344237 (2007).
J. Kostogorova-Beller and J.E. Shield, "Order-Disorder Transformations in Sm-Co and Sm-Co-Zr-C Systems with 2-17 Stoichiometry," J. Appl. Phys. 101, 09K521 (2007).
X. Rui, Z Sun, Y. Xu, D.J. Sellmyer and J.E. Shield, "In-cluster-structured exchange-coupled magnets with high energy densities." Appl. Phys. Lett. 89, 122509 (2006).
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