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You searched on: Author: john bonevich

Displaying records 41 to 50 of 72 records.
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41. Coercivities above 10 kOe in CoPd Superlattices
Published: 1/1/2004
Authors: William F. Egelhoff Jr., Cedric John Powell, L Gan, P J Chen, H Ettendgui, D Tirosh, Robert D McMichael, Mark D Stiles, J Mallett, Alexander J. Shapiro, John E Bonevich
Abstract: We have achieved excellent grain isolation in CoPd superlattices by using 10 nm Au as both an underlayer and an overlayer and diffusing Au into the grain boundaries by annealing for {approximately equal to} 30 min. at 300 degrees C. The grain isola ...

42. Structure and Magnetic Properties of Electrodeposition Co on n-GaAs (001)
Published: 9/19/2003
Authors: A X Ford, John E Bonevich, Robert D McMichael, Mark D Vaudin, Thomas P Moffat
Abstract: Co thin films have been electrodeposited on n-type (001) GaAs. The structure and texture of the films were investigated using x-ray diffraction (XRD) and transmission electron microscopy (TEM) while the magnetic properties were examined using a vibr ...

43. Rapid Deformation of Thin Gold Layers in Polymer Matrices Studied by X-Ray Reflectivity
Published: 8/1/2003
Authors: K Shin, H Wang, Sushil K. Satija, Charles C Han, Daniel Josell, John E Bonevich
Abstract: We have used X-ray reflectivity to measure the morphological profiles of thin Au layers of three different average thicknesses sandwiched between two polystyrene layers with different molecular weights, Mw = 52.3k and Mw - 168.5k. The results showed ...

44. Tuning the Magnetic Properties of Multilayer Nanowires
Published: 5/12/2003
Authors: John E Bonevich, Limin Sun

45. Tuning the Response of Magnetic Suspensions
Published: 5/1/2003
Authors: M. Chen, L Sun, John E Bonevich, Daniel H. Reich, C L Chien, P C Searson
Abstract: The magnetic properties of multilayer ferromagnetic/nonmagnetic (FM/NM) nanowires can be tailored by controlling the composition and length of the FM and NM segments. Manipulation of properties such as the magnetic easy axis, Curie temperature (TC), ...

46. Effects of interlayer electrode thickness in Nb/(MoSi^d2^/Nb)^dN^ stacked Josephson junctions
Published: 4/14/2003
Authors: Yonuk Chong, Paul David Dresselhaus, Samuel Paul Benz, John E Bonevich
Abstract: Dense vertically stacked Josephson junction arrays are being developed because they are desirable for voltage metrology applications. We present measurements of the uniformity and reproducibility of Nb/(MoSi^u2^/Nb)N vertically stacked junctions that ...

47. Electrochemistry of Titanium and the Electrodeposition of Al-Ti Alloys in the Lewis Acidic Aluminum Chloride-1-Ethyl-3-Methylimidazolium Chloride Melt
Published: 4/1/2003
Authors: T Tsuda, C L Hussey, Gery R Stafford, John E Bonevich
Abstract: The chemical and electrochemical behavior of titanium was examined in the Lewis acidic aluminum chloride-l-ethyl-3-methylimidazolium chloride (AlCl^d3^-EtMelmCl) molten salt at 353.2 K. Dissolved Ti (II), as TiCl^d2^, is stable in the 66.7 : 33.3 m/o ...

48. Investigation of the Shape of InGaAs/GaAs Quantum Dots
Published: 1/1/2003
Authors: Susan Y. Lehman, Alexana Roshko, Richard P Mirin, John E Bonevich
Abstract: Three samples of self-assembled In^d0.44^Ga^d0.56^As quantum dots (QDs) grown on (001) GaAs by molecular beam epitaxy (MBE) were studied using atomic force microscopy (AFM)) and high-resolution transmission electron microscopy (TEM) in order to chara ...

49. Rapid Deformation of Thin Gold Layers in Polymer Matrices Studied by X-ray Reflectivity
Published: 1/1/2003
Authors: K Shin, Haonan Wang, Sushil K. Satija, Charles C. Dr. Han, Daniel Josell, John E Bonevich

50. Synthesis and Characterization of Colloidal Beta-HgS Quantum Dots
Published: 10/1/2002
Authors: K A Higginson, M Kuno, John E Bonevich, S B Qadri, M Yousuf, H Mattoussi
Abstract: High-quality colloidal mercury sulfide quantum dots (QDs) are synthesized at room temperature using a synthetic strategy combining the effects of strongly binding Hg(II) ligands with a two-phase metal/chalcogen precursor compartmentalization scheme. ...

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