Department of Physics and Astronomy
Nebraska Center for Materials and Nanoscience
University of Nebraska-Lincoln
Lincoln, Nebraska, United States
2022
A TEM study of Fe3+x Co3-xTi2 (x = 0, 1, 2, 3) intermetallic alloys, Xingzhong Li, Anandakumar Sarella, B. Balasubramanian, and Shah R. Valloppilly
2019
Unusual perpendicular anisotropy in Co2TiSi films, Yunlong Jin, Shah R. Valloppilly, Parashu R. Kharel, Rohit Pathak, Arti Kashyap, Ralph Skomski, and David J. Sellmyer
2016
High-coercivity magnetism in nanostructures with strong easy-plane anisotropy, Balamurugan Balasubramanian, Priyanka Manchanda, Ralph A. Skomski, Pinaki Mukherjee, Shah R. Valloppilly, Bhaskar Das, and George C. Hadjipanayis
Structural disorder and magnetism in the spin-gapless semiconductor CoFeCrAl, Renu Choudhary, Parashu Kharel, Shah R. Valloppilly, Yunlong Jin, Andrew O’Connell, Yung Huh, Simeon Gilbert, Arti Kashyap, David J. Sellmyer, and Ralph A. Skomski
Effect of boron doping on nanostructure and magnetism of rapidly quenched Zr2Co11-based alloys, Yunlong Geng, Wenyong Zhang, Parashu Kharel, Shah R. Valloppilly, Ralph Skomski, and David J. Sellmyer
Exchange-coupling behavior in nanostructured FePt/Fe bilayer films, Yi Liu and David J. Sellmyer
Investigation of spin-gapless semiconductivity and half-metallicity in Ti2MnAl-based compounds, Pavel V. Lukashev, Parashu Kharel, S. Gilbert, B Staten, N. Hurley, R Fuglsby, Yung Huh, Shah R. Valloppilly, Wenliang Zhang, K. Yang, Ralph A. Skomski, and David J. Sellmyer
Coercivity and nanostructure of melt-spun Ti-Fe-Co-B-based alloys, Wenliang Zhang, Ralph A. Skomski, Arti Kashyap, Shah R. Valloppilly, Xingzhong Li, Jeffrey E. Shield, and David J. Sellmyer
Structure, magnetism, and electron-transport properties of Mn2CrGa-based nanomaterials, Wenyong Zhang, Parashu Kharel, Ralph Skomski, Shah R. Valloppilly, XINGZHONG LI, and David J. Sellmyer
2015
Unusual spin correlations in a nanomagnet, Balamurugan Balasubramanian, Priyanka Manchanda, Ralph Skomski, Pinaki Mukherjee, Bhaskar Das, T A. George, George C. Hadjipanayis, and David J. Sellmyer
Magnetism of FePt Nanoclusters in Polyimide, Mircea Chipara, Tom George, Yingfan Xu, Ralph Skmoski, Lanping Yue, Nasar Ali, and David J. Sellmyer
Magnetism of hexagonal Mn1.5X0.5Sn (X = Cr, Mn, Fe, Co) nanomaterials, R Fuglsby, Parashu Kharel, Wenyong Zhang, Shah R. Valloppilly, Yung Huh, and David J. Sellmyer
Ferromagnetism in Laves-phase WFe2 nanoparticles, Mark A. Koten, Priyanka Manchanda, Balamurugan Balamurugan, Ralph A. Skomski, David J. Sellmyer, and Jeffrey E. Shield
Magnetism of Ta dichalcogenide monolayers tuned by strain and hydrogenation, Priyanka Manchanda, Vinit Sharma, Hongbin Yu, David J. Sellmyer, and Ralph A. Skomski
Enhancement of Curie temperature in Mn2RuSn by Co substitution, A Nelson, Parashu Kharel, Yung Huh, R Fuglsby, J Guenther, Wenyong Zhang, B Staten, Pavel V. Lukashev, and David J. Sellmyer
Temperature effect on exchange coupling and magnetization reversal in antiferromagnetically coupled (Co/Pd) multilayers, R. Sbiaa, I. A. Al-Omari, Parashu R. Kharel, M. Ranjbar, David J. Sellmyer, J. Akerman, and S. N. Piramanayagam
Novel structures and physics of nanomagnets (invited), David J. Sellmyer, Balamurugan Balamurugan, Bhaskar Das, P Murherjee, Ralph A. Skomski, and George C. Hadjipanayis
Synthesis and magnetism of single-phase Mn-Ga films, Wenyong Zhang, Parashu Kharel, Shah R. Valloppilly, Ralph A. Skomski, and David J. Sellmyer
2014
Hf–Co and Zr–Co alloys for rare-earth-free permanent magnets, Balamurugan Balasubramanian, Bhaskar Das, Wenyong Zhang, Ralph Skomski, and David J. Sellmyer
Magnetic nanostructuring and overcoming Brown’s paradox to realize extraordinary high-temperature energy products, Balamurugan Balasubramanian, Pinaki Mukherjee, Ralph A. Skomski, Priyanka Manchanda, Bhaskar Das, and David J. Sellmyer
Phase composition and nanostructure of Zr2Co11-based alloys, Y.L. Jin, Wenyong Zhang, Ralph A. Skomski, Shah R. Valloppilly, Jeffrey E. Shield, and David J. Sellmyer
Permanent magnetism of intermetallic compounds between light and heavy transition-metal elements, P Kumar, Arti Kashyap, Balamurugan Balamurugan, Jeffrey E. Shield, David J. Sellmyer, and Ralph Skomski
Orthorhombic Zr2Co11 phase revisited, Xingzhong LI, Wenyong Zhang, David J. Sellmyer, X Zhao, M C. Nguyen, C Z. Wang, and K M. Ho
Magnetic Silicon Nanoparticles, Priyanka Manchanda, Pankaj Kumar, Balamurugan Balasubramanian, Pinaki Mukherjee, Arti Kashyap, David J. Sellmyer, and Ralph Skomski
Magneto-Electric Control of Surface Anisotropy and Nucleation Modes in L10-CoPt Thin Films, Priyanka Manchanda, Pankaj Kumar, Hans Fangohr, David J. Sellmyer, Arti Kashyap, and Ralph Skomski
Size-Induced Chemical and Magnetic Ordering in Individual Fe–Au Nanoparticles, Pinaki Mukherjee, Priyanka Manchanda, Pankaj Kumar, Lin Zhou, Matthew J. Kramer, Arti Kashyap, Ralph Skomski, David J. Sellmyer, and Jeffrey E. Shield
Structural, magnetic, and electron transport properties of Mn3-xPtxSn (x = 0, 0.5, 1) nanomaterials, A Nelson, Yung Huh, Parashu Kharel, Shah R. Valloppilly, Ralph A. Skomski, and David J. Sellmyer
Kondorski reversal in magnetic nanowires, Ralph A. Skomski, Eva Schubert, Axel Enders, and David J. Sellmyer
Adjusting magnetic nanostructures for high-performance magnetic sensors, Xiaolu Yin, Ralph A. Skomski, David J. Sellmyer, Sy-Hwang Liou, Stephen E. Russek, Eric R. Evarts, John Moreland, A S. Edelstein, L Yuan, M L. Yan, and J Shen
Direct chemical synthesis of L10-FePtAu nanoparticles with high coercivity, Yongsheng Yu, Pinaki Mukherjee, Yuan Tian, Xingzhong Li, and David J. Sellmyer
Monodisperse MPt (M = Fe, Co, Ni, Cu, Zn) Nanoparticles Prepared from a Facile Oleylamine Reduction of Metal Salts, Yongsheng Yu, Weiwei Yang, Xiaolian Sun, Wenlei Zhu, Xingzhong Li, David J. Sellmyer, and Shouheng Sun
Effect of annealing on nanostructure and magnetic properties of Zr2Co11 material, Wenyong Zhang, Xingzhong Li, Shah R. Valloppilly, Ralph A. Skomski, and David J. Sellmyer
Development and intrinsic properties of hexagonal ferromagnetic (Zr,Ti)Fe2, Wenyong Zhang, Xingzhong Li, Shah R. Valloppilly, Ralph A. Skomski, Jeffrey E. Shield, and David J. Sellmyer
Effect of quench rate on nanostructure and magnetic properties of PrCo5, Wenyong Zhang, Ralph Skomski, Xingzhong Li, Shah R. Valloppilly, Jeffrey E. Shield, and David J. Sellmyer
Magnetic hardening of Zr2Co11:(Ti, Si) nanomaterials, Wenyong Zhang, Shah R. Valloppilly, Xingzhong Li, Yi Liu, Steven A. Michalski, T A. George, Ralph A. Skomski, and David J. Sellmyer
Exploring the Structural Complexity of Intermetallic Compounds by an Adaptive Genetic Algorithm, X Zhao, M C. Nguyen, Wenyong Zhang, C Z. Wang, Matthew J. Kramer, David J. Sellmyer, Xingzhong Li, F Zhang, Liqin Ke, Vladimir P. Antropov, and K M. Ho
2013
Effect of Exchange Interactions on the Coercivity of SmCo5 Nanoparticles Made by Cluster Beam Deposition, O Akdogan, W Li, B Balasubrmanian, David J. Sellmyer, and George C. Hadjipanayis
Hf Doping Effect on Hard Magnetism of Nanocrystalline Zr18-x HfxCo82 Ribbons, Imaddin Ali Al-Omari, Wenyong Zhang, Lanping Yue, Ralph Skomski, Jeffrey E. Shield, Xingzhong Li, and David J. Sellmyer
Novel Nanostructured Rare-Earth-Free Magnetic Materials with High Energy Products, Balamurugan Balasubramanian, Bhaskar Das, Ralph Skomski, Wenyong Zhang, and David J. Sellmyer
HfCo7-Based Rare-Earth-Free Permanent-Magnet Alloys, Bhaskar Das, Balamurugan Balamurugan, Pankaj Kumar, Ralph Skomski, Shah R. Valloppilly, Jeffrey E. Shield, Arti Kashyap, and David J. Sellmyer
Structure and magnetism of dilute Co(Zr) nanoclusters, Bhaskar Das, Balamurugan Balamurugan, Ralph Skomski, Xingzhong Li, Pinaki Mukherjee, George C. Hadjipanayis, and David J. Sellmyer
Solubility extension and phase formation in gas-condensed Co–W nanoclusters, Farhad Golkar, Matthew J. Kramer, Ames Laboratory, Ralph A. Skomski, David J. Sellmyer, and Jeffrey E. Shield
Magnetic and Structural Properties of Rapidly Quenched Tetragonal Mn3-x Ga Nanostructures, Yung Huh, Parashu Kharel, Shah R. Valloppilly, E. Krage, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
Magnetism and electron transport of MnyGa (1 < y < 2) nanostructures, Yung Huh, Parashu Kharel, Shah R. Valloppilly, XINGZHONG LI, Ralph Skomski, and David J. Sellmyer
Structural and magnetic properties of Pr-alloyed MnBi nanostructures, Parashu Kharel, Shah R. Valloppilly, Xingzhong Li, Wenyong Zhang, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
Magnetism of MnBi-Based Nanomaterials, Parashu Kharel, Shah R. Valloppilly, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
Magnetism of Films, Yi Liu and David J. Sellmyer
Intrinsic Properties of Fe-Substituted L10Magnets, Priyanka Manchanda, Pankaj Kumar, Arti Kashyap, M. J. Lucis, Jeffrey E. Shield, A. Mubarok, J. I. Goldstein, S. Constantinides, K. Barmak, L.H. Lewis, David J. Sellmyer, and Ralph Skomski
Finite-Temperature Micromagnetism, Ralph Skomski, Pankaj Kumar, George C. Hadjipanayis, and David J. Sellmyer
Predicting the Future of Permanent-Magnet Materials, Ralph Skomski, Priyanka Manchanda, Pankaj Kumar, Balamurugan Balamurugan, Arti Kashyap, and David J. Sellmyer
Low temperature ordering and high (001) orientation of [Fe/Pt/Cu]18 multilayer films, Yongsheng Yu, Xingzhong Li, T A. George, W D. Fei, Haibo Li, and David J. Sellmyer
One-Pot Synthesis of Urchin-like FePd−Fe3O4 and Their Conversion into Exchange-Coupled L10−FePd−Fe Nanocomposite Magnets, Yongsheng Yu, Kewei Sun, Yuan Tian, Xingzhong Li, Matthew J. Kramer, David J. Sellmyer, Jeffrey E. Shield, and Shouheng Sun
Susceptibility of Fe atoms in Cu clusters, Rui Zhang, Tom A. George, Parashu Kharel, Ralph Skomski, and David J. Sellmyer
Magnetism of rapidly quenched rhombohedral Zr2Co11-based nanocomposites, Wenyong Zhang, Xingzhong Li, Shah R. Valloppilly, Ralph A. Skomski, Jeffrey E. Shield, and David J. Sellmyer
Magnetism of Rapidly Quenched Sm1-xZrxCo5 Nanocrystalline Materials, Wenyong Zhang, Shah R. Valloppilly, Xingzhong LI, Yi Liu, Steven A. Michalski, Thomas A. George, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
2012
Magnetic Properties of Y3−2xCa2xFe5−xVxO12 Garnets, Imaddin Ali Al-Omari, Ralph Skomski, and David J. Sellmyer
Assembly of uniaxially aligned rare-earth-free nanomagnets, Balamurugan Balamurugan, Bhaskar Das, Shah R. Valloppilly, Ralph Skomski, Xingzhong Li, and David J. Sellmyer
Prospects for nanoparticle-based permanent magnets, Balamurugan Balamurugan, David J. Sellmyer, George C. Hadjipanayis, and Ralph Skomski
Magnetism of directly ordered Sm-Co clusters, Balamurugan Balasubramanian, Ralph Skomski, Xingzhong Li, George C. Hadjipanayis, and David J. Sellmyer
Magnetism of dilute Co(Hf) and Co(Pt) nanoclusters, Balamurugan Balasubramanian, Ralph Skomski, Xingzhong Li, Shah R. V, Priyanka Manchanda, Arti Kashyap, and David J. Sellmyer
Fourier transform infrared spectroscopy and wide-angle X-ray scattering: Investigations on polypropylene–vapor-grown carbon nanofiber composites, Mircea Chipara, John Hamilton, Alin Cristian Chipara, Tom George, Dorina Magdalena Chipara, Elamin E. Ibrahim, Karen Lozano, and David J. Sellmyer
Magnetism of Less Common Cobalt-Rich Alloys, Bhaskar Das, Balamurugan Balamurugan, Wenyong Zhang, Ralph Skomski, E. Krage, Shah R. Valloppilly, Jeffrey E. Shield, and David J. Sellmyer
Structure and magnetic properties of Co-W clusters produced by inert gas condensation, Farhad Reza Golkar-Fard, Matthew J. Kramer, Y. Zhang, R. W. McCallum, Ralph Skomski, David J. Sellmyer, and Jeffrey E. Shield
Structural and magnetic properties of Mn2 +δTiSn, Parashu Kharel, Yung Huh, Shah R. Valloppilly, Xingzhong Li, N. Al-Agtash, K. Tarawneh, E. S. Krage, Renat F. Sabirianov, Ralph Skomski, and David J. Sellmyer
Structural, magnetic, and electron transport properties of MnBi:Fe thin films, Parashu Kharel, Xingzhong Li, Shah R. Valloppilly, Nabil M. Al-Aqtash, K. Tarawneh, Renat F. Sabirianov, Ralph Skomski, and David J. Sellmyer
Magnetism and structure of anatase (Ti1-xVx)O2 films, Damien Le Roy, Shah R. Valloppilly, Ralph Skomski, Sy-Hwang Liou, and David J. Sellmyer
Aligned and exchange-coupled L10 (Fe,Co)Pt-based magnetic films, Yi Liu, Thomas A. George, Ralph Skomski, and David J. Sellmyer
One-step fabrication of L10 FePt nanocubes and rods by cluster beam deposition, W Li, O Akdogan, George C. Hadjipanayis, Ralph Skomski, and David J. Sellmyer
Isothermal entropy changes in nanocomposite Co:Ni67Cu33, Steven A. Michalski, Ralph Skomski, Xingzhong Li, Damien Le Roy, Tathagata Mukherjee, Christian Binek, and David J. Sellmyer
Spin and elastic contributions to isothermal entropy change, Tathagata Mukherjee, Ralph Skomski, Steven A. Michalski, David J. Sellmyer, and Christian Binek
Ultrahard magnetic nanostructures, P. K. Sahota, Yi Liu, Ralph Skomski, Priyanka Manchanda, R. Zhang, M. Franchin, H. Fangohr, George C. Hadjipanayis, Arti Kashyap, and David J. Sellmyer
Accessibility and Selective Stabilization of the Principal Spin States of Iron by Pyridyl versus Phenolic Ketimines: Modulation of the 6A1 ↔ 2T2 Ground-State Transformation of the [FeN4O2]+ Chromophore, Musa S. Shongwe, Usama A. Al-Zaabi, Faizah Al-Mjeni, Carla S. Eribal, Imaddin A. Al-Omari, Hussein H. Hamdeh, Dariusz Matoga, Harry Adams, Michael J. Morris, Arnold L. Rheingold, Eckhard Bill, and David J. Sellmyer
Hysteresis and relaxation in granular permanent magnets, Ralph Skomski, Balamurugan Balamurugan, Thomas A. George, Mircea Chipara, Xiao-Hui Wei, Jeffrey E. Shield, and David J. Sellmyer
A quantum-mechanical relaxation model, Ralph Skomski, Arti Kashyap, and David J. Sellmyer
Nanomagnetic skyrmions, Ralph Skomski, Zhen Li, Rui Zhang, Roger D. Kirby, Axel Enders, Daniel Schmidt, Tino Hofmann, Eva Schubert, and David J. Sellmyer
Experimental and theoretical studies of hydroxyl-induced magnetism in TiO nanoclusters, Xiao-Hui Wei, Rulong Zhou, Balamurugan Balamurugan, Ralph Skomski, Xiao Cheng Zeng, and David J. Sellmyer
Effects of deposition temperature and in-situ annealing time on structure and magnetic properties of (001) orientation FePt films, Yongsheng Yu, T A. George, Haibo Li, Daqian Sun, Zhenan Ren, and David J. Sellmyer
L10 CrPt phase formation and magnetic properties, Rui Zhang, Ralph Skomski, Xingzhong Li, Zhen Li, Priyanka Manchanda, Arti Kashyap, Roger D. Kirby, Sy-Hwang Liou, and David J. Sellmyer
Coercivity Enhancement in Zr2Co11-Based Nanocrystalline Materials Due to Mo Addition, Wenyong Zhang, Shah R. Valloppilly, Xingzhong Li, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
Coercivity Enhancement in Zr2Co11-Based Nanocrystalline Materials Due to Mo Addition, Wenyong Zhang, Shah R. Valloppilly, XINGZHONG LI, Ralph Skomski, Jeffrey E. Shield, and David J. Sellmyer
2011
Cluster synthesis of monodisperse rutile-TiO2 nanoparticles and dielectric TiO2–vinylidene fluoride oligomer nanocomposites, Balamurugan Balasubramanian, Kristin L. Kraemer, Shah R. Valloppilly, Stephen Ducharme, and David J. Sellmyer
Ferromagnetic resonance on Ni nanowire arrays, Mircea Chipara, Ralph A. Skomski, Roger D. Kirby, and David J. Sellmyer
Spin correlations and Kondo effect in a strong ferromagnet, Parashu Kharel, Ralph Skomski, Pavel Lukashev, Renat F. Sabirianov, and David J. Sellmyer
High-sensitivity detector for molecular sensing using magnetic particles, Damien Le Roy, W. Yang, X. Yin, R. Y. Lai, Sy_Hwang Liou, and David J. Sellmyer
Aligned and exchange-coupled FePt-based films, Yi Liu, Thomas A. George, Ralph Skomski, and David J. Sellmyer
Synthesis and characterization of highly textured Pt–Bi thin films, Xingzhong Li, Parashu Kharel, Shah R. Valloppilly, and David J. Sellmyer
Magnetic entropy changes in nanogranular Fe:Ni61Cu39, Steven A. Michalski, Ralph A. Skomski, Tathagata Mukherjee, Xingzhong Li, Christian Binek, and David J. Sellmyer
Overcoming the spin-multiplicity limit of entropy by means of lattice degrees of freedom: A minimal model, Tathagata Mukherjee, Steven A. Michalski, Ralph Skomski, David J. Sellmyer, and Christian Binek
Anisotropy of zigzag chains of palladium, P. K. Sahota, Ralph A. Skomski, Axel Enders, David J. Sellmyer, and Arti Kashyap
Length scales of interactions in magnetic, dielectric, and mechanical nanocomposites, Ralph Skomski, Balamurugan Balamurugan, Eva Schubert, Axel Enders, and David J. Sellmyer
2010
Permittivity and permeability of Fe(Tb) nanoparticles and their microwave absorption in the 2–18 GHz range, Z. Han, D. Li, M. Tong, X. Wei, Ralph Skomski, W. Liu, Z. D. Zhang, and David J. Sellmyer
Structural, magnetic and magneto-transport properties of Pt-alloyed MnBi thin films, Parashu Kharel, Ralph Skomski, Roger D. Kirby, and David J. Sellmyer
Magnetic properties of nickel hydroxide nanoparticles, X. H. Liu, W. Liu, X. K. Lv, F. Yang, X. Wei, Z. D. Zhang, and David J. Sellmyer
Early stages of direct L10 FePt nanocluster formation: The effects of plasma characteristics, M. M. Patterson, A. Cochran, J. Ferina, X. Rui, T. A. Zimmerman, Zhiguang Sun, Matthew J. Kramer, David J. Sellmyer, and Jeffrey E. Shield
Entropy localization in magnetic compounds and thin-film nanostructures, Ralph Skomski, Christian Binek, Steven A. Michalski, Tathagata Mukherjee, Axel Enders, and David J. Sellmyer
Magnetic anisotropy in itinerant magnets, Ralph Skomski, Arti Kashyap, A. Solanki, Axel Enders, and David J. Sellmyer
Permanent magnetism of dense-packed nanostructures, Ralph Skomski, Yi Liu, Jeffrey E. Shield, George C. Hadjipanayis, and David J. Sellmyer
2009
Microstructures and Magnetic Properties of Rapidly Solidified Ni54Fe27−2xGa19+2x Ferromagnetic Heusler Alloys, S. Aich, S. Das, I. A. Al-Omari, P. Alagarsamy, S. G. Chowdhury, M. Chakraborty, Jeffrey E. Shield, and David J. Sellmyer
Anisotropic Sm-(Co,Fe) Nanoparticles by Surfactant-assisted Ball Milling, Nilly Akdogan, George C. Hadjipanayis, and David J. Sellmyer
Spectroscopic investigations on Polypropylene-Carbon Nanofiber Composites: I. Raman and Electron Spin Resonance Spectroscopy, Mircea Chipara, John R. Villarreal, Magdalena Dorina Chipara, Karen Lozano, Alin Cristian Chipara, and David J. Sellmyer