Search Results - "Berkowitz, A.E."

Co-Fe metal/native-oxide multilayers: a new direction in soft magnetic thin film design I. Quasi-static properties and dynamic response by Beach, G.S.D., Berkowitz, A.E.

“…The progression toward gigahertz data rates in magnetic recording has introduced considerable challenges to soft magnetic materials design. The difficulties…”
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On the perpendicular anisotropy of Co/Pd multilayers by Hong, J.I., Sankar, S., Berkowitz, A.E., Egelhoff, W.F.

“…The two principal mechanisms for explaining the perpendicular anisotropy in Co–Pd multilayers were investigated. These mechanisms are the broken symmetry at…”
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Co-Fe metal/native-oxide multilayers: a new direction in soft magnetic thin film design II. Microscopic characteristics and interactions by Beach, G.S.D., Berkowitz, A.E.

“…Co/sub x/Fe/sub 100-x/ metal/native-oxide multilayer (MNOM) films exhibit soft magnetic properties, large magnetization, high resistivity, and a potential…”
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Polarized neutron study of the magnetization density distribution within a CoFe2O4 colloidal particle II by LIN, D, NUNES, A. C, MAJKRZAK, C. F, BERKOWITZ, A. E

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High-frequency characteristics of metal/native-oxide multilayers by Beach, G.S.D., Silva, T.J., Parker, F.T., Berkowitz, A.E.

“…The high-frequency magnetization dynamics of magnetically soft Co/sub x/Fe/sub 100-x/ metal/native-oxide multilayers were studied as a function of alloy…”
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Permeability of Fine Magnetic Particles: Measurements, Calibration, and Pitfalls by Lee, D.W., Wang, S.X., Tang, Y.J., Hong, Jung-Il, Berkowitz, A.E.

“…High-frequency permeability spectra of FeSiB coatings prepared with spark-eroded magnetic particles were studied. In order to measure the relative permeability…”
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Exchange anisotropy — a review by Berkowitz, A.E., Takano, Kentaro

“…Exchange anisotropy refers to the magnetic manifestations of an exchange coupling at the interface between two different magnetically ordered systems. Of…”
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Preparation and structural characterization of sputtered CoO, NiO, and Ni0.5Co0.5O thin epitaxial films by Carey, M.J., Spada, F.E., Berkowitz, A.E., Cao, W., Thomas, G.

“…Single phase CoO, NiO, and Ni0.5Co0.5O epitaxial films have been prepared by reactive sputtering onto 〈0001〉 α−Al2O3 substrates maintained at 373 K. Epitaxy…”
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Anomalous properties of magnetic nanoparticles by Berkowitz, A.E., Kodama, R.H., Makhlouf, Salah A., Parker, F.T., Spada, F.E., McNiff, E.J., Foner, S.

“…Nanoparticles of ferrimagnetic NiFe 2O 4 and antiferromagnetic NiO exhibit a variety of anomalous magnetic properties. The lower coordination of surface spins…”
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Giant magnetoresistance in heterogeneous Cu-Co alloys by BERKOWITZ, A. E, MITCHELL, J. R, CAREY, M. J, YOUNG, A. P, ZHANG, S, SPADA, F. E, PARKER, F. T, HUTTEN, A, THOMAS, G

“…Giant magnetoresistance has been observed in heterogeneous thin film Cu--Co alloys consisting of ultrafine cobalt-rich precipitate particles in a Cu-rich…”
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Hollow metallic microspheres produced by spark erosion by Berkowitz, A. E., Harper, H., Smith, David J., Hu, Hao, Jiang, Qian, Solomon, Virgil C., Radousky, H. B.

“…Hollow spherical particles of Ni, CoFe, the ferromagnetic shape memory alloy Ni49Mn30Ga21, and the giant magnetostrictive alloy Fe83Ga17, with diameters up to…”
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Amorphous soft magnetic particles produced by spark erosion by Berkowitz, A.E, Hansen, M.F, Parker, F.T, Vecchio, K.S, Spada, F.E, Lavernia, E.J, Rodriguez, R

“…Spark erosion is an extremely versatile method for producing particles of almost any type of material, in particle sizes ranging from a few nm to >100 μm. The…”
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Fabrication of spherical particles with mixed amorphous/crystalline nanostructured cores and insulating oxide shells by Hong, J.I., Parker, F.T., Solomon, V.C., Madras, P., Smith, David J., Berkowitz, A.E.

“…By spark-eroding Fe75Si15B10 in water/ethanol mixtures, spherical particles with nanostructured cores consisting of mixed amorphous and crystalline phases were…”
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Magnetic correlations in non-percolated Co-SiO2 granular films by SANKAR, S, DENDER, D, BORCHERS, J. A, SMITH, David J, ERWIN, R. W, KLINE, S. R, BERKOWITZ, A. E

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Thermodynamic measurements of magnetic ordering in antiferromagnetic superlattices by Abarra, EN, Takano, K, Hellman, F, Berkowitz, AE

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Unusual Co moment reduction in the NiCoO/Co exchange bias system by Brück, S., Goering, E., Tang, Y.J., Schütz, G., Berkowitz, A.E.

“…To answer the question on how the explicit mechanism of coupling in the antiferromagnetic alloy NiCoO is established when in close contact to a ferromagnetic…”
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Magnetic ground states and the role of vortices in ferromagnetic hollow nanospheres by GOLL, D, MACKE, S, BERKOWITZ, A. E, BERTRAM, H. N

“…We have analytically calculated and compared the total magnetic energies of remanent magnetization states of hollow particles to find conditions for…”
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Co/sub 50/Fe/sub 50/ fine particles for power frequency applications by Tang, Y.J., Parker, F.T., Harper, H., Berkowitz, A.E., Jiang, Q., Smith, D.J., Brand, M., Wang, F.

“…Magnetic particles with high permeabilities and moments, and low losses, have considerable potential for high-frequency power applications. In this paper, we…”
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Spin-dependent tunneling in discontinuous metal/insulator multilayers by Dieny, B, Sankar, S, McCartney, M.R, Smith, D.J, Bayle-Guillemaud, P, Berkowitz, A.E

“…We have studied the structural, magnetic and transport properties of (Co/SiO 2) discontinuous multilayers. These multilayers consist of layers of Co particles…”
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Structure and phase transformation of ferromagnetic shape memory alloy Ni49Mn30Ga21 fine particles prepared by spark erosion by TANG, Y. J, SMITH, David J, HAO HU, SPADA, F. E, HARPER, H, BERKOWITZ, A. E

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