Publications: April 2007 - March 2008

MRSEC-Supported Publications

 

 

April 2007 - March 2008

article cover

IRG 1

a. Primary MRSEC Support—IRG 1

1. R. Skomski, J. P. Liu, C. B. Rong, and D. J. Sellmyer, “Hysteresis of Ultrasmall Fe-Pt Particles,” J. Appl. Phys. 103, 07E139 (1-3) (2008).
2. R. Skomski, T. A. George, and D. J. Sellmyer, “Nucleation and Wall Motion in Graded Media,” J. Appl. Phys. 103, 07F531 (1-3) (2008).
3. L. Yuan, Y. S. Lin, D. Wang, and S.-H. Liou, “Tuning Magnetic Microstructures of Reference Layer in Magnetic Tunneling Junctions,” IEEE Trans. on Magn. 43, 2788-2790 (2007).
4. C. Kim, T. Loedding, S. Jang, H. Zeng, Z. Li, Y. Sui, and D. J. Sellmyer, “FePt Nanodot Arrays with Perpendicular Easy Axis, Large Coercivity, and Extremely High Density,” Appl. Phys. Lett. 91, 172508 (1-3) (2007).
5. D. J. Sellmyer, Y. F. Xu, Y. C. Sui, and R. Skomski, “Novel Nanoparticulate Magnetic Materials and Structures,” in Handbook of Magnetism and Advanced Magnetic Materials, Eds. H. Kronmüller and S. Parkin, Vol. 4, Novel Materials, Eds. M. Coey and A. Inoue, (J. Wiley and Sons, Ltd, UK, 2007), pp. 2177-2190.
6. Xiangxin Rui, Zhiguang Sun, Yingfan Xu, David J. Sellmyer, and Jeffrey E. Shield, Mater. Res. Soc. Symp. Proc.Cluster-Assembled Iron-Platinum Nanocomposite Permanent Magnets,” Vol. 962, 0962-P04-03 (1-6) (2007).
7. M. Chipara, R. Skomski, and D. J. Sellmyer, “Electrodeposition and Magnetic Properties of Polypyrrole-Fe Nanocomposites,” Materials Lett. 61, 2412-2415 (2007).
8. R. Skomski and D. J. Sellmyer, “Magnetic Impurities in Magic-Number Clusters,” J. Appl. Phys. 101, 09G524 (1-3) (2007).
9. R. Skomski, X.-H. Wei, and D. J. Sellmyer, “Magnetization Reversal in Cubic Nanoparticles with Uniaxial Surface Anisotropy,” IEEE Trans. Magn. 43, 2890-2892 (2007).
10. R. Skomski, G. C. Hadjipanayis, and D. J. Sellmyer, “Effective Demagnetizing Factors of Complicated Particle Mixtures,” IEEE Trans. Magn. 43, 2956-2958 (2007).
11. R. Skomski, M. L. Yan, Y. F. Xu, and D. J. Sellmyer, “Continuous/Cluster-Pinned Recording Media,” IEEE Trans. Magn. 43, 2163-2165 (2007).
12. J. Zhang, R. Skomski, Y. F. Lu, and D. J. Sellmyer, “Temperature-Dependent Orbital-Moment Anisotropy in Dilute Magnetic Oxides,” Phys. Rev. B 75, 214417 (1-5) (2007).
13. J. Zhang, R. Skomski, and D. J. Sellmyer, “Structure and Magnetism of V-Doped SnO2 Thin Films: Effect of Substrate,” J. Phys. Condens. Matter 19, 256204 (1-6) (2007).
14. R. Skomski, “Role of Thermodynamic Fluctuations in Magnetic Recording,” (Invited Paper) J. Appl. Phys. 101, 09B104 (1-6) (2007).
15. S. A. Michalski, J. Zhou, R. Skomski, and R. D. Kirby, “Coupled Precession Modes in Indirect Exchange-Coupled [Pt/Co]-Co Thin Films,” J. Applied Physics 101, 09D115 (1-3) (2007).
16. R. Skomski, X. Wei, and D. J. Sellmyer, “Band-Structure and Correlation Effects in the Co(111) Planes of CoO,” J. Appl. Phys. 103, 07C908 (1-3) (2008).
17. X.-H. Wei, R. Skomski, Z.-G. Sun, and D. J. Sellmyer, “Proteresis in Co:CoO Core-Shell Nanoclusters,” J. Appl. Phys.103, 07D514 (1-3) (2008).

b. Partial MRSEC Support—IRG 1

1. A. K. Pradhan, R. Bah, R. B. Konda, R. Mundie, H. Mustafa, O. Bamiduro, R. R. Rakhimov, Xiaohui Wei, and D. J. Sellmyer, “Synthesis and Magnetic Characterizations of Manganite-Based Composite Nanoparticles for Biomedical Applications,” J. Appl. Phys. 103, 07F704 (1-3) (2008).
2. A. K. Pradhan, D. Hunter, T. Williams, B. Lasley-Hunter, R. Bah, H. Mustafa, R. Rakhimov, J. Zhang, D. J. Sellmyer, E. E. Carpenter, D. R. Sahu, and J.-L. Huang, “Magnetic Properties of La0.6Sr0.4MnO3 Thin Films on SrTiO3 and Buffered Si Substrates with Varying Thickness,” J. Appl. Phys. 103, 023914 (1-8) (2008).
3. Y. C. Sui, Y. Zhao, J. Zhang, S. S. Jaswal, X. Z. Li, and D. J. Sellmyer, “Ferromagnetic Multipods Fabricated by Solution Phase Synthesis and Hydrogen Reduction,” IEEE Trans. Magn. 43, 3115-3117 (2007).
4. R. Skomski, “Phase Formation in L10 Magnets,” J. Appl. Phys. 101, 09N517 (1-3) (2007).
5. M. A. Morales, R. Skomski, S. Fritz, G. Shelburne, J. E. Shield, M. Ying, S. O’Brien, and D. L. Leslie-Pelecky, “Surface Anisotropy and Magnetic Freezing of MnO Nanoparticles,” Phys. Rev. B 75, 134423 (1-7) (2007).
6. R. Skomski, “Finite-Temperature Depolarization in Half Metals,” J. Phys. Condens. Matter 19, 315202 (1-14) (2007).
7. Ch. Rong, N. Poudyal, G. S. Chaubey, V. Nandwana, R. Skomski, Y. Q. Wu, M. J. Kramer, and J. P. Liu, “Structural Phase Transition and Ferromagnetism in Monodisperse 3 nm FePt Particles,” J. Appl. Phys. 102, 043913 (1-4) (2007).
8. R. Skomski, “Simple Models of Magnetism,” University Press, Oxford (2008).
9. R. Skomski, J. Zhang, V. Sessi, J. Honolka, K. Kern, and A. Enders, “Substrate-Controlled Growth and Magnetism of Nanosize Fe Clusters on Pt,” J. Appl. Phys. 103, 07D519 (1-3) (2008).
10. T. A. George, Zhen Li, M.-L. Yan, Y.-F. Xu, R. Skomski, and D. J. Sellmyer, “Nanostructure and Magnetic Properties of L10 FePt:X Films,” J. Appl. Phys.103, 07D502 (1-3) (2008).

c. Shared Facilities—IRG1

1. V. K. Ravindran and J. E. Shield, “Rapid Solidification of Sm-Co Permanent Magnets,” Met. Trans. A 38, 732-737 (2007).
2. S. Aich and J. E. Shield, “A Study on the Order-Disorder Phase Transformations of Rapidly Solidified Sm-Co-based Permanent Magnets,” J. Magn. Magn. Mater. 313, 76-83 (2007).

IRG 2

a. Primary MRSEC Support—IRG 2

1. J. P. Velev, M. Y. Zhuravlev, K. D. Belashchenko, S. S. Jaswal, E. Y. Tsymbal, T. Katayama, and S. Yuasa, “Defect-Mediated Properties of Magnetic Tunnel Junctions,” (Invited Paper) IEEE Trans. Magn. 43, 2770-2775 (2007).
2. S. Sahoo, T. Mukherjee, K. D. Belashchenko, and Ch. Binek, “Isothermal Low-Field Tuning of Exchange Bias in Epitaxial Fe/Cr2O3/Fe,” Appl. Phys. Lett. 91, 172506 (1-3) (2007).
3. J. P. Velev, C.-G. Duan, K. D. Belashchenko, S. S. Jaswal, and E. Y. Tsymbal, “Effect of Ferroelectricity on Electron Transport in Pt/BaTiO3/Pt Ferroelectric Tunnel Junctions,” Phys. Rev. Lett. 98, 137201 (1-4) (2007).
4. N. Wu, Ya. B. Losovyj, D. Wisbey, K. D. Belashchenko, M. Manno, L. Wang, C. Leighton, and P. A. Dowben, “The Electronic Band Structure of CoS2,” J. Phys. Cond. Matter 19, 156224 (1-10) (2007).
5. J. P. Velev, C.-G. Duan, K. D. Belashchenko, S. S. Jaswal, and E. Y. Tsymbal, “Effect of Ferroelectricity and Magnetism on Electron and Spin Transport and Spin Transport in Fe/BaTiO3/Fe Ferroelectric Tunnel Junctions,” J. Appl. Phys. 103, 07A701 (1-3) (2008).
6. D. Wisbey, D. Feng, M. T. Bremer, C. N. Borca, A. N. Caruso, C. M. Silvernail, J. Belot, E. Vescovo, L. Ranno, and P. A. Dowben, “The Electronic Structure of a Metal-Organic Copper Spin 1/2 Molecule: Bis(4-cyano-2,2,6,6-tetramethyl-3,5-heptanedionato) Copper(II) (Cu(CNdpm)2),” J. Am. Chem Soc. 129, 6249-6254 (2007).
7. Z. X. Yu, M. A. Van Hove, S. Y. Tong, D. Wisbey, Ya. B. Losovyj, N. Wu, M. Manno, L. Wang, C. Leighton, W. N. Mei, and P. A. Dowben, “The Structure of the CoS2 (100)-(1x1) Surface,” J. Phys. Cond. Matter 19, 156223 (1-9) (2007); Corrigendum:ibid. 19, 249001 (2007).
8. P. A. Dowben, Preface: “Half Metallic Ferromagnets,” J. Phys.: Condens. Matter 19, 310301 (1-2) (2007).
9. R. Inman, S. A. Schuetz, C. M. Silvernail, S. Balaz, P. A. Dowben, G. Jurisch, J. McAndrew, and J. Belot, “Atomic Layer Deposition of Lanthana Thin Films Using High-Purity Lanthanum Amido Precursors,” Materials Chemistry and Physics 104, 220-224 (2007).
10. S. Sahoo, S. Polisetty, C.-G. Duan, S. S. Jaswal, E. Y. Tsymbal, and Ch. Binek, “Ferroelectric Control of Magnetism in BaTiO3/Fe Heterostructures,” Phys. Rev. B 76, 092108 (1-4) (2007).
11. J. D. Burton, R. F. Sabirianov, J. P. Velev, O. N. Mryasov, and E. Y. Tsymbal, “Effect of Tip Resonances on Tunneling Anisotropic Magnetoresistance in Ferromagnetic Metal Break-Junctions: A First-Principles Study,” Phys. Rev. B 76, 144430 (1-6) (2007).
12. C.-G. Duan, R. F. Sabirianov, W. N. Mei, P. A. Dowben, S. S. Jaswal, and E. Y. Tsymbal, “Electronic, Magnetic and Transport Properties of Rare-Earth Monopnictides,” (Topical review) J. Phys.: Condens. Matter 19, 315220 (1-32) (2007).
13. A. Sokolov, “Quantum Ballistics,” Physics World 20, 27-30 (August 2007).
14. A. Sokolov, C. Zhang, E. Y. Tsymbal, J. Redepenning, and B. Doudin, “Atomic Motion in Ferromagnetic Break Junctions - Response,” Nature Nanotechnology 2, 522-523 (2007).
15. J. Xiao, A. Sokolov, and P. A. Dowben, “Changing Band Offsets in Copper-Phthalocyanine to Copolymer Poly(vinylidene Fluoride with Trifluoroethylene) Heterojunctions,” Appl. Phys. Lett. 90, 242907 (1-3) (2007).
16. K. Janicka, J. P. Velev, and E. Y. Tsymbal, “Magnetism of LaAlO3/SrTiO3 Superlattices,” J. Appl. Phys. 103, 07B508 (1-3) (2008).

b. Partial MRSEC Support—IRG 2

1. R. Skomski, Ch. Binek, T. Mukherjee, S. Sahoo, and D. J. Sellmyer, “Temperature- and Field-Induced Entropy Changes in Nanomagnets,” J. Appl. Phys. 103, 07B329 (1-3) (2008).
2. A. N. Chantis, K. D. Belashchenko, D. L. Smith, E. Y. Tsymbal, M. van Schilfgaarde, and R. C. Albers, “Reversal of Spin Polarization in Fe/GaAs (001) Interface Driven by Resonant Surface States: First-Principles Calculations,” Phys. Rev. Lett. 99, 196603 (1-4) (2007).
3. A. L. Wysocki, K. D. Belashchenko, J. P. Velev, and M. van Schilfgaarde, “Calculations of Spin-Disorder Resistivity from First Principles,” J. Appl. Phys. 101, 09G506 (1-3) (2007).
4. S. Polisetty, S. Sahoo, and Ch. Binek, “Scaling Behavior of the Exchange-Bias Training Effect,” Phys. Rev. B 76, 184423 (1-9) (2007).
5. I. N. Yakovkin and P. A. Dowben, “The Problem of the Band Gap in LDA Calculations,” Surface Review and Letters 14, 481-487 (2007).
6. C. N. Borca, D. Ristoiu, H.-K. Jeong, T. Komesu, A. N. Caruso, J. Pierre, L. Ranno, J. P. Nozières, and P. A. Dowben, “Epitaxial Growth and Surface Properties of Half-Metal NiMnSb Films,” J. Phys.: Condens. Matter 19, 315211 (1-43) (2007).
7. Y. Losovyj, K. Morris, L. Rosa, J. D. Scott, and P. A. Dowben, “High Resolution Photoemission Study of Organic Systems at the CAMD 3m NIM Beamline,” Nucl. Instrumen. Methods Phys. Res. A 582, 258-260 (2007).
8. J. Snodgrass, G. Kennedy, W. N. Mei, and R. F. Sabirianov, “Nonvolatile Two-Terminal Molecular Memory,Mater. Res. Soc. Symp. Proc. Vol. 961, 0961-O03-07 (1-6) (2007).
9. Ya. B. Losovyj, I. Ketsman, A. Sokolov, K. D. Belashchenko, P. A. Dowben, J. Tang, and Z. Wang, “The Electronic Structure Change with Gd Doping of HfO2 on Silicon,” Appl. Phys. Lett. 91, 132908 (1-3) (2007).
10. I. Ketsman, Ya. B. Losovyj, A. Sokolov, J. Tang, Z. Wang, K. D. Belashchenko, and P. A. Dowben, “The n-type Gd-doped HfO2 to Silicon Heterojunction Diode,” Applied Physics A: Mater. Sci. Process. 89, 489-492 (2007).
11. E. Y. Tsymbal, “Theory of Spin-Dependent Tunneling: Role of Evanescent and Resonant States,” in Handbook of Magnetism and Advanced Magnetic Materials, vol. 5, eds. H. Krohnmüller and S. S. P. Parkin (Chichester, UK: John Wiley & Sons Ltd., 2007), pp. 2963-2978.
12. K. Janicka, J. D. Burton, and E. Y. Tsymbal, “Effects of Magnetostatic Coupling on Stripe Domain Structures in Magnetic Multilayers with Perpendicular Anisotropy,” J. Appl. Phys. 101, 113921 (1-9) (2007).
13. L. Gao, X. Jiang, S. Yang, J. D. Burton, E. Y. Tsymbal, and S. S. P. Parkin, “Bias Voltage Dependence of Tunneling Anisotropic Magnetoresistance in Magnetic Tunnel Junctions with MgO and Al2O3 Tunnel Barriers,” Phys. Rev. Lett. 99, 226602 (1-4) (2007).

c. Shared Facilities—IRG2

1. S. Sahoo and Ch. Binek, “Piezomagnetism in Epitaxial Cr2O3 Thin Films and Spintronic Applications,” Phil. Mag. Lett., 87, 259-268 (2007).
2. S. Sahoo, S. Polisetty, Ch. Binek, and A. Berger, “Dynamic Enhancement of the Exchange Bias Training Effect,” J. Appl. Phys. 101, 053902 (1-5) (2007).
3. S. Balaz, A. N. Caruso, N. P. Platt, D. I. Dimov, N. M. Boag, J. I. Brand, Ya. B. Losovyj, and P. A. Dowben, “The Influence of the Molecular Dipole on the Electronic Structure of Isomeric Icosahedral Dicarbadodecaborane and Phosphacarbadodecaborane Molecular Films,” J. Physical Chemistry B 111, 7009-7016 (2007).
4. L. Carlson, D. LaGraffe, S. Balaz, A. Ignatov, Ya. B. Losovyj, J. Choi, P. A. Dowben, and J. I. Brand, “Doping of Boron Carbides with Cobalt, using Cobaltocene,” Appl. Phys. A 89, 195-201 (2007).
5. A. Yu. Ignatov, Ya. B. Losovyj, L. Carlson, D. LaGraffe, J. I. Brand, and P. A. Dowben, “Pairwise Cobalt Doping of Boron Carbides with Cobaltocene,” J. Appl. Phys. 102, 083520 (1-6) (2007).
6. D.-Q. Feng, A. N. Caruso, Ya. B. Losovyj, D. L. Schulz, and P. A. Dowben, “Identification of the Possible Defect States in Poly(3-hexylthiophene) Thin Films,” Polymer Engineering & Science 47, 1359-1364 (2007).
7. M. Bai, X. Z. Li, and S. Ducharme, “Electron Diffraction Study of the Structure of Vinylidene Fluoride-trifluorethylene Copolymer Nanocrystals,” J. Phys.: Condens. Matter 19, 196211 (1-8) (2007).
8. F. Namavar, G. Wang, C. L. Cheung, R. Sabirianov, X. C. Zeng, W. N. Mei, J. Bai, J. R. Brewer, H. Haider, and K. L. Garvin, “Thermal Stability of Nanostructurally Stabilized Zirconium Oxide,” Nanotechnology 18, 415702 (1-6) (2007).

Seeds

a. Primary MRSEC Support—Seeds

1. M. Lorenz, M. Brandt, J. Schubert, H. Hochmuth, H. von Wenckstern, M. Schubert, and M. Grundmann, “Polarization Coupling in Epitaxial ZnO/BaTiO3 Thin Film Heterostructures on SrTiO3 (100) Substrates,” Proc. SPIE 6474, 64741S (2007).
2. H. Lin, J. Yang, L. Tan, J. Xu, and Z. Li, “Collective Buckling of Periodic Soft Nanostructures on Surfaces and Promotion for Nanolithography,” (Cover Pager Article) J. Phys. Chem. C, 111, 13348-13353 (2007).
3. H. Lin, O. Lima, L. Tan, Z. Li, and J. Y. Li, “Sequential Stretching Lithography,” Mater. Res. Soc. Symp. Proc. 961, 0961-O06-07 (1-6) (2007).

b. Partial MRSEC Support—Seeds

1. T. Hofmann, G. Leibiger, N. Ashkenov, V. Gottschalch, and M. Schubert, “Electron effective mass and phonon modes in GaAs incorporating boron and indium,” Appl. Phys. Lett. 90, 182110 (1-3) (2007).
2. V. Darakchieva, T. Paskova, M. Schubert, P. P. Paskov, D. Hommel, M. Heuken, J. Off, B. A. Haskell, P. T. Fini, J. S. Speck, and S. Nakamura, “Anisotropic Strain and Phonon Deformation Potentials in GaN,” Phys. Rev. B 75, 195217 (1-11) (2007).
3. V. Darakchieva, T. Paskova, M. Schubert, P. P. Paskov, H. Arwin, B. Monemar, D. Hommel, M. Heuken, J. Off, B. A. Haskell, P. T. Fini, J. S. Speck, and S. Nakamura, “Effect of Anisotropic Strain on Phonons in a-Plane and c-Plane GaN Layers,” J. Cryst. Growth 300, 233-238 (2007).
4. C. Krahmer, M. Philippens, M. Schubert, and K. Streubel, “MOVPE Growth Investigations of Doping and Ordering in AlGaAs and GaInP with Reflectance Anisotropy Spectroscopy,” J. Cryst. Growth 289, 18-22 (2007).
5. C. Bundesmann, R. Schmidt-Grund, and M. Schubert, “Optical Properties of Zinc Oxide and Related Compounds,” in “Zinc Oxide as Transparent Electronic Material and its Application in Thin Film Solar Cells” edited by A. Klein and K. Ellmer, Springer Series in Materials Science, Vol. 104 (Springer, Berlin, 2007) ISBN-10: 3540736115.
6. V. Darakchieva, T. Paskova, and M. Schubert, “Optical Phonons in a-Plane GaN under Anisotropic Strain,” in “Group-III Nitrides with Nonpolar Surfaces: Growth, Properties and Devices,” edited by T. Paskova (Wiley, Berlin, 2008), Chapter 9, pp.219-253.
7. O. Lima, L. Tan, A. Goel, M. Negahban, and Z. Li, “Creating Micro- and Nanostructures on Tubular and Spherical Surfaces,” J. Vac. Sci. Technol. B 25(6), 2412-2418 (2007).

c. Shared Facilities—Seeds

1. D. Hofstetter, Y. Bonetti, F. R. Giorgetta, A.-H. El-Shaer, A. Bakim. A. Waag, R. Schmidt-Grund, M. Schubert, and M. Grundmann, “Demonstration of an Ultraviolet ZnO-Based Optically Pumped Third Order Distributed Feedback Laser,” Appl. Phys. Lett. 91, 111108 (1-3) (2007).
2. T. Hofmann, V. Gottschalch, and M. Schubert, “Dielectric Anisotropy and Phonon Modes of Ordered Indirect-Gap Al0.52In0.48P Studied by Far-Infrared Ellipsometry,” Appl. Phys. Lett. 91, 121908 (1-3) (2007).
3. C. Bundesmann, O. Buiu, S. Hall, and M. Schubert, “Dielectric Constants and Phonon Modes of Amorphous Hafnium Aluminate Deposited by Metal Organic Chemical Vapor Deposition,” Appl. Phys. Lett. 91, 121916 (1-3) (2007).
4. E. Schubert, F. Frost, H. Neumann, B. Rauschenbach, B. Fuhrmann, F. Heyroth, J. Rivory, B. Gallas, and M. Schubert, “Ion Beam Assisted Growth of Sculptured Thin Films: Structure Alignment and Optical Fingerprints,” Adv. Solid State Phys. 46, 309-320 (2007).
5. T. Hofmann, V. Darakchieva, B. Monemar, H. Lu, W. J. Schaff, and M. Schubert, “Optical Hall-Effect in Hexagonal InN,” J. Electron. Mater., online first (2008) [10.1007/s11664-008-0385-8].