Search Results - "Russek, S.E."

Spin-current-induced magnetotransport in Co-Cu-Co nanostructures by Mancoff, F.B., Russek, S.E.

“…We report measurements on sub-100-nm Co-Cu-Co spin-valves with the current perpendicular-to-plane. The giant magnetoresistance versus applied magnetic field…”
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High frequency measurements of CoFeHfO thin films by Russek, S.E., Kabos, P., Silva, T., Mancoff, F.B., Dexin Wang, Zhenghong Qian, Daughton, J.M.

“…High-frequency measurements of the transverse susceptibility and damping constant of CoFeHfO thin films have been made over a frequency range of 0.1 GHz to 6…”
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In situ observation of nano-oxide formation in magnetic thin films by McCallum, A.T., Russek, S.E.

“…In situ conductance and reflected high-energy electron diffraction (RHEED) measurements were taken during the oxidation of 20-nm-thick Co and CoFe layers. The…”
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Time and frequency domain measurements of ferromagnetic resonance in small spin-valve by Russek, S.E., Kaka, S.

“…Time and frequency domain magnetoresistance measurements of ferromagnetic resonance (FMR) in small spin-valve devices are presented along with comparisons to…”
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Nano-sized ferrite particles for magnetic resonance imaging thermometry by Hankiewicz, J.H., Stoll, J.A., Stroud, J., Davidson, J., Livesey, K.L., Tvrdy, K., Roshko, A., Russek, S.E., Stupic, K., Bilski, P., Camley, R.E., Celinski, Z.J.

“…•Co0.3Zn0.7Fe2O4 ferrite particle clusters of 210 nm size were fabricated.•Particles show strong temperature variation of magnetization near body…”
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Magnetic domain structure and imaging of Co-Pt multilayer thin-film nanostructures by Russek, S.E., Bailey, W.E.

“…Dots, with diameters of 100 nm and 220 nm, have been fabricated from (Co/sub x/Pt/sub 0.8 nm/)/sub 25/ multilayer structures, where the Co thickness x was…”
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Magnetic combinatorial thin-film libraries by Russek, S.E., Bailey, W.E., Alers, G., Abraham, D.L.

“…Magnetic combinatorial libraries have been fabricated to investigate complex magnetic thin-film systems and to provide test samples for the development of…”
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Micromechanical torque magnetometer for in situ thin-film measurements by Moreland, J., Jander, A., Beall, J.A., Kabos, P., Russek, S.E.

“…We describe a new type of magnetometer based on a microelectromechanical system (MEMS) for in situ monitoring of magnetic film moment during the film…”
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Metastable states in large angle magnetization rotations by Kabos, P., Kaka, S., Russek, S.E., Silva, T.J.

“…Large angle rotations were studied in Permalloy thin films and spin valve devices. It is shown that edge effects or inhomogeneities strongly influence the…”
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Current density limitations of spin valves by Gafron, T.J., Burkett, S.L., Russek, S.E.

“…As spin valve technology evolves, understanding the limitations and design constraints is a critical consideration. Choosing the correct materials combination,…”
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Estimation of thermal stability factor and intrinsic switching current from switching distributions in spin-transfer-torque devices with out-of-plane magnetic anisotropy by Heindl, R., Chaudhry, A., Russek, S. E.

“…We performed macromagnetic simulations of switching statistics in spin-transfer-torque devices with out-of-plane magnetic anisotropy and thermal stability…”
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Size and self-field effects in giant magnetoresistive thin-film devices by Cross, R.W., Russek, S.E., Sanders, S.C., Parker, M.R., Barnard, J.A., Hossain, S.A.

“…Giant magnetoresistance (GMR) was measured as a function of device size for patterned NiCoFe/Cu and NiFe/Ag films. For the quasi-granular NiCoFe/Cu films, the…”
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Size effects in submicron NiFe/Ag GMR devices by Russek, S.E., Cross, R.W., Sanders, S.C., Oti, J.O.

“…We have measured the magnetoresistive response of submicron NiFe/Ag giant magnetostrictive (GMR) devices as a function of current density and field angle. In…”
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Magnetoresistance of thin-film NiFe devices exhibiting single-domain behavior by Cross, R.W., Oti, J.O., Russek, S.E., Silva, T., Kim, Y.K.

“…Rectangular NiFe stripes as small as 1/spl times/5 /spl mu/m were fabricated and characterized as a function of film thickness. Gold current leads were…”
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YBa/sub 2/Cu/sub 3/O/sub 7/ thin films grown by high pressure reactive evaporation and high pressure reactive sputtering by Lathrop, D.K., Russek, S.E., Tanabe, K., Buhrman, R.A.

“…A high-pressure reactive evaporation process and a high-pressure reactive sputtering process have been developed for the growth of high-quality thin films of…”
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Growth and properties of YBa/sub 2/Cu/sub 3/O/sub 7/ thin films on non-lattice-matched and polycrystalline substrates by Moeckly, B.H., Lathrop, D.K., Russek, S.E., Buhrman, R.A., Norton, M.G., Carter, C.B.

“…The authors have investigated the nature of the in-situ growth of c-axis normal YBa/sub 2/Cu/sub 3/O/sub 7/ thin films on non-lattice-matched, vicinal, and…”
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DEVELOPMENT OF A MUSCULOSKELETAL RELAXOMETRY PHANTOM FOR T1, T2, AND T1RHO MEASUREMENTS by Kim, J., Russek, S.E., Stupic, K.F., Stoffer, C.M., Keenan, K.E., Rutkowski, D., Kammerman, J., Brittain, J.H., Li, X.

“…Quantitative MRI (qMRI) relaxometry is widely investigated to probe tissue compositional changes at early stages of diseases. T1, T2, and T1rho have been…”
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Magnetic noise in a low-power picotesla magnetoresistive sensor by Liou, S.H., Sellmyer, D., Russek, S.E., Heindl, R., Da Silva, F.C.S., Moreland, J., Pappas, D.P., Yuan, L., Shen, J.

“…We present a design of a low power, compact, magnetoresistive sensor. The key features of the design are (1) decreasing the noise by the use of a 64 element…”
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Micromagnetic simulations of magnetoresistive behavior of sub-micrometer spin-valve MRAM devices by Oti, J.O., Russek, S.E.

“…The effects of device shape and size on the giant magnetoresistive (MR) response of NiFe/sub 7.5 nm//Co/sub 0.6 nm//Cu/sub 3 nm//Co/sub 0.6 nm//NiFe/sub 7.5…”
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Magnetic imaging reference sample by Rice, P., Russek, S.E., Haines, B.

“…We propose a reference sample for magnetic imaging. We have chosen a thin-film magnetic hard disk as a representative sample because the domains are very…”
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