Correlation of tunnel magnetoresistance with the magnetic properties in perpendicular CoFeB-based junctions with exchange bias
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5062847
Abstract: We investigate the dependence of magnetic properties on the post-annealing temperature/time, the thickness of the soft ferromagnetic electrode, and the Ta dusting layer in the pinned electrode as well as their correlation with the tunnel… read more here.
Keywords: exchange bias; exchange; tunnel magnetoresistance;
Large tunnel magnetoresistance in a fully epitaxial double-barrier magnetic tunnel junction of Fe/MgO/Fe/γ-Al2O3/Nb-doped SrTiO3
Sign Up to like & getrecommendations! Published in 2020 at "AIP Advances"
DOI: 10.1063/5.0002536
Abstract: We report large tunnel magnetoresistance (TMR) ratios of up to 219% at 300 K and 366% at 3.7 K obtained for a high-quality fully epitaxial double-barrier magnetic tunnel junction (MTJ) composed of Fe/MgO/Fe/γ-Al2O3/Nb-doped SrTiO3. The… read more here.
Keywords: epitaxial double; doped srtio3; double barrier; fully epitaxial ... See more keywords
High-Sensitivity Tunnel Magnetoresistance Sensors Based on Double Indirect and Direct Exchange Coupling Effect
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/38/12/128501
Abstract: Detection of ultralow magnetic field requires magnetic sensors with high sensitivity and low noise level, especially for low operating frequency applications. We investigated the transport properties of tunnel magnetoresistance (TMR) sensors based on the double… read more here.
Keywords: based double; sensitivity; sensors based; high sensitivity ... See more keywords
Interfacial giant tunnel magnetoresistance and bulk-induced large perpendicular magnetic anisotropy in (111)-oriented junctions with fcc ferromagnetic alloys: A first-principles study
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.064427
Abstract: We study the tunnel magnetoresistance (TMR) effect and magnetocrystalline anisotropy in a series of magnetic tunnel junctions (MTJs) with $L{1}_{1}$-ordered fcc ferromagnetic alloys and MgO barrier along the [111] direction. Considering the (111)-oriented MTJs with… read more here.
Keywords: 111 oriented; tunnel; anisotropy; ferromagnetic alloys ... See more keywords
Crucial role of interfacial s−d exchange interaction in the temperature dependence of tunnel magnetoresistance
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.104.l180403
Abstract: The tunnel magnetoresistance (TMR) is one of the most important spintronic phenomena but its reduction at finite temperature is a severe drawback for applications. Here, we reveal a crucial determinant of the drawback, that is,… read more here.
Keywords: dependence; temperature; exchange interaction; tunnel magnetoresistance ... See more keywords
A Low 1/f Noise Tunnel Magnetoresistance Accelerometer
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2021.3134315
Abstract: Aiming at minimizing 1/f noise of tunnel magnetoresistance (TMR) accelerometers, a new principle incorporated acceleration sensing and 1/f noise suppression is demonstrated both theoretically and experimentally. The elasto-magneto-electric conversion theory is analyzed and a linear… read more here.
Keywords: tunnel magnetoresistance; low noise; noise tunnel;
Tunnel Magnetoresistance-Based Noncontact Current Sensing and Measurement Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3152240
Abstract: The dynamic characteristics of power systems have become increasingly complex with the growing application of power electronics equipment. A high level of real-time monitoring is now required to provide a database for system stability and… read more here.
Keywords: based noncontact; tunnel magnetoresistance; tmr; noncontact current ... See more keywords
Dependences of the Tunnel Magnetoresistance and Spin Transfer Torque on the Sizes and Concentration of Nanoparticles in Magnetic Tunnel Junctions
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Experimental and Theoretical Physics"
DOI: 10.1134/s1063776118010168
Abstract: Dependences of the tunnel magnetoresistance and in-plane component of the spin transfer torque on the applied voltage in a magnetic tunnel junction have been calculated in the approximation of ballistic transport of conduction electrons through… read more here.
Keywords: tunnel junction; magnetic tunnel; tunnel; tunnel magnetoresistance ... See more keywords