نتایج جستجو برای: tunnel layer

تعداد نتایج: 316525  

2011
Alexander Makarov Viktor Sverdlov Dmitry Osintsev Josef Weinbub Siegfried Selberherr

We study the dynamics of the switching process in a magnetic tunnel junction composed of 5 layers with the magnetization of the two side layers fixed. The magnetization of the middle free layer can be switched between the two stable configurations by passing the current through the tunnel junction in a certain direction. The dependence of the switching time on the parameters of the penta-layer ...

2017
Sai Krishna Narayananellore Naoki Doko Norihiro Matsuo Hidekazu Saito Shinji Yuasa

We investigated the effect of a thin MgO underlying layer (~3 monoatomic layers) on the growth of GaOx tunnel barrier in Fe/GaOx/(MgO)/Fe(001) magnetic tunnel junctions. To obtain a single-crystalline barrier, an in situ annealing was conducted with the temperature being raised up to 500 °C under an O₂ atmosphere. This annealing was performed after the deposition of the GaOx on the Fe(001) bott...

2009
C. Wang Y.-T. Cui J. Z. Sun J. A. Katine R. A. Buhrman D. C. Ralph

We calculate the efficiency with which magnetic tunnel junctions can be used as resonant detectors of incident microwave radiation via the spin-torque diode effect. The expression we derive is in good agreement with the sensitivities we measure for MgO-based magnetic tunnel junctions with an extended unpatterned magnetic pinned layer. However, the measured sensitivities are reduced below our es...

2012
Kapil Varshney

Boundary-layer wind tunnel provides a unique platform to reproduce urban, suburban and rural atmospheric boundary layer (ABL) by using roughness devices such as vortex generators, floor roughness, barrier walls, and slots in the extended test-section floor in the contraction cone. Each passive device impacts wind properties in a certain way. In this study, influence of various passive devices o...

2010
Zhi-Gang Yang Wei Yang Qing Jia

Viscous effect of wing in ground effect in wind tunnel test was investigated numerically. Ground settings in wind tunnel test were simulated by specifying different ground boundary conditions in CFD. It was revealed for fixed-ground based wind tunnel test that: boundary layer developed from the ground deforms effective ground surface and introduces a decreased effective ground clearance; a shar...

2012
Y. Zhang W. S. Zhao D. Ravelosona J.-O. Klein J. V. Kim C. Chappert

Related Articles Electric field effects in low resistance CoFeB-MgO magnetic tunnel junctions with perpendicular anisotropy Appl. Phys. Lett. 100, 122405 (2012) Spin-torque diode spectrum of ferromagnetically coupled (FeB/CoFe)/Ru/(CoFe/FeB) synthetic free layer J. Appl. Phys. 111, 07C917 (2012) Characterization of interlayer interactions in magnetic random access memory layer stacks using ferr...

2015
N. S. Safron B. D. Schrag Xiaoyong Liu Weifeng Shen D. Mazumdar M. J. Carter Gang Xiao

Articles you may be interested in Material parameters and thermal stability of synthetic ferrimagnet free layers in magnetic tunnel junction nanopillars J. Exchange biased CoFeB-MgO tunnel junctions at the onset of perpendicular anisotropy with in-plane/out-of-plane sensing capabilities Effect of free layer thickness and shape anisotropy on the transfer curves of MgO magnetic tunnel junctions W...

2001
Ming-Jye Wang Hong-Wen Cheng Sing-Lin Wu C. C. Chi

The Nb-based superconductor-insulator-superconductor (SIS) tunnel junctions have been broadly used in many applications. The critical current density ( ), one of the most important parameters of SIS tunnel junction, is usually controlled by the oxygen exposure ( 2) of the Al oxidation process. R. E. Miller et al. demonstrated the relation between and oxygen exposure using the SNEP process. Howe...

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