scholarly journals Effect of Low-Frequency AC Magnetic Susceptibility and Magnetic Properties of CoFeB/MgO/CoFeB Magnetic Tunnel Junctions

Nanomaterials ◽  
2014 ◽  
Vol 4 (1) ◽  
pp. 46-54 ◽  
Author(s):  
Yuan-Tsung Chen ◽  
Sung-Hao Lin ◽  
Tzer-Shin Sheu
Keyword(s):  
Magnetic Properties ◽  
Magnetic Susceptibility ◽  
Tunnel Junctions ◽  
Low Frequency ◽  
Magnetic Tunnel Junctions ◽  
Ac Magnetic Susceptibility

Complex magnetic response in magnetic tunnel junctions determined via magnetic and transport measurements

2002 ◽  
Vol 746 ◽  
Author(s):  
R. Guerrero ◽  
V. V. Pryadun ◽  
F. G. Aliev ◽  
R. Villar ◽  
J. L. Martinez ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Tunnel Junctions ◽  
Ac Susceptibility ◽  
Low Frequency ◽  
Magnetic Tunnel Junctions ◽  
Magnetic Response ◽  
Magnetization Dynamics ◽  
Dc Magnetization ◽  
Ferromagnetic Electrodes ◽  
Ac Magnetization

We have studied the low frequency complex magnetization dynamics in Co/Al2O3/Ni80Fe20 magnetic tunnel junctions (MTJs) at temperatures between 4.2K and 300K. The measurements were carried out by using two different experimental techniques. The first method probes directly magnetic properties via DC magnetization and AC susceptibility, while the second one measures AC magnetization dynamics of the ferromagnetic electrodes near the cross area, which is related to the tunnelling resistance.

Hydrothermal synthesis, structure and magnetic properties of a three-dimensional cobalt(ii) – aminophenyltetrazolate coordination polymer

2014 ◽  
Vol 43 (19) ◽  
pp. 7263-7268 ◽  
Author(s):  
Tiffany M. Smith ◽  
Michael Tichenor ◽  
Yuan-Zhu Zhang ◽  
Kim R. Dunbar ◽  
Jon Zubieta
Keyword(s):  
Magnetic Properties ◽  
Magnetic Susceptibility ◽  
Hydrothermal Synthesis ◽  
Coordination Polymer ◽  
Three Dimensional ◽  
Magnetic Behavior ◽  
Ac Magnetic Susceptibility

The three-dimensional [Co3(OH)2(H2O)2(aptet)4] exhibits magnetic properties consistent with a ferrimagnetic chain with the non-compensating resultant moment of one Co(ii) per trinuclear Co(ii) subunit and ac magnetic susceptibility indicative of glassy-like magnetic behavior.

Annealing-Induced Solid-Phase Epitaxy at Interfaces between CoFeB Layers and MgO Barrier-Layer in CoFeB/MgO/CoFeB Magnetic Tunnel Junctions and Their Magnetic Properties

2019 ◽  
Vol 16 (45) ◽  
pp. 37-44 ◽  
Author(s):  
Yoshitaka Kitamoto ◽  
Takashi Takeuchi ◽  
Koji Tsunekawa ◽  
Young-suk Choi ◽  
Yoshinori Nagamine ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Barrier Layer ◽  
Tunnel Junctions ◽  
Solid Phase ◽  
Magnetic Tunnel Junctions ◽  
Solid Phase Epitaxy

THE EFFECT OF PARTIAL ATOMIC SUBSTITUTION ON ELECTRIC AND MAGNETIC PROPERTIES OF (Bi,Pb):2223 SINTERED SUPERCONDUCTORS

2003 ◽  
Vol 17 (26) ◽  
pp. 4675-4681 ◽  
Author(s):  
A. V. POP ◽  
M. POP ◽  
I. I. GERU
Keyword(s):  
Magnetic Properties ◽  
Magnetic Susceptibility ◽  
Electrical Resistance ◽  
Ac Susceptibility ◽  
Partial Substitution ◽  
Superconducting Transition ◽  
Ac Magnetic Susceptibility ◽  
Atomic Concentration ◽  
Susceptibility Data ◽  
Atomic Substitution

The effect of partial substitution of Ca by x = 0.02 La on the electrical and magnetically properties of two (Bi,Pb):2223 superconductor ceramic S1 and S2 (with different Pb and Sr atomic concentration) were investigated by using electrical resistance and AC magnetic susceptibility measurements. The parameters from linear resistivity data in the normal state and superconducting transition are sensitive to the compounds stoechiomerty. The intergrain critical current density JcJ(T) dependence near Tc obtained from immaginary AC susceptibility data agrees with the assumption of SNS intergrain junctions.

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