scholarly journals Giant Magnetoresistance and Low Saturation Fields in Ni–Fe–Co/Cu Multilayers with NiO Buffer Layers

1996 ◽  
Vol 37 (11) ◽  
pp. 1710-1714 ◽  
Author(s):  
Ryoichi Nakatani ◽  
Katsumi Hoshino ◽  
Hiroyuki Hoshiya ◽  
Yutaka Sugita
1993 ◽  
Vol 74 (9) ◽  
pp. 5886-5888 ◽  
Author(s):  
C. Dorner ◽  
M. Haidl ◽  
H. Hoffmann

1994 ◽  
Vol 76 (6) ◽  
pp. 3899-3901 ◽  
Author(s):  
Zeng‐Cheng Tian ◽  
Kiyoshi Sakaue ◽  
Hikaru Terauchi ◽  
Haruo Ito

1993 ◽  
Vol 313 ◽  
Author(s):  
S. Tsunashima ◽  
M. Jimbo ◽  
T. Kanda ◽  
S. Goto ◽  
S. Uchiyama

ABSTRACTGiant Magnetoresistance (GMR) and soft magnetic properties together with their structural characteristics were investigated for Ni66Fe16Co18/Cu Multilayers. The Multilayers were prepared by the conventional rf sputtering method on glass or Si substrates using various buffer layers including Fe, NiFeCo, NiFe and CoZr. Although Most of the multilayers exhibited (111) preferred orientation, Fe buffered multilayers showed a considerable (200) X-ray diffraction peak at Cu thicknesses around 1 nm and 2.2 nm which corresponded to the peak positions of GMR. By using fee or amorphous underlayers the (200) diffraction intensity decreased while antiferromagnetic coupling strength was much reduced. Cross-sectional transmission electron micrograph revealed that the (100) oriented multilayer was grown on the (100) oriented Fe underlayer. By controlling the crystal orientation and the layer structure, significantly large magnetoresistance ratio of more than 10 % can be achieved in a field as low as 30 Oe.


2012 ◽  
Vol 2012 ◽  
pp. 1-7
Author(s):  
P. B. Jayathilaka ◽  
M. C. Monti ◽  
J. T. Markert ◽  
Casey W. Miller

This work reports efforts fabricating heterostructures of different materials relevant for the realization of magnon-induced spin transfer torques. We find the growth of high-quality magnetite on MgO substrates to be straightforward, while using transition metal buffer layers of Fe, Cr, Mo, and Nb can alter the structural and magnetic properties of the magnetite. Additionally, we successfully fabricated and characterized Py/Cr/Fe3O4and Fe3O4/Cr/Fe3O4spin valve structures. For both, we observe a relatively small giant magnetoresistance and confirm an inverse dependence on spacer layer thickness. Thus, we have shown certain materials combinations that may form the heterostructures that are the building blocks necessary to achieve magnon-induced spin transfer torque devices.


1993 ◽  
Vol 126 (1-3) ◽  
pp. 422-424 ◽  
Author(s):  
Mutsuko Jimbo ◽  
Tatsuya Kanda ◽  
Shoji Goto ◽  
Shigeru Tsunashima ◽  
Susumu Uchiyama

1991 ◽  
Vol 231 ◽  
Author(s):  
S.S.P. Parkin

AbstractGiant magnetoresistance values exceeding 65% at room temperature are reported in antiferromagnetically coupled Co/Cu multilayers grown on Fe buffer layers using magnetron sputter deposition. For such samples the saturation fields exceed 10 kOe. However by taking advantage of the rapid decrease of the Co interlayer magnetic exchange coupling with increasing Cu spacer layer thickness, large magnetoresistance values exceeding 35% can be obtained at room temperature for saturation fields of just a few hundred oersted.


1999 ◽  
Vol 48 (13) ◽  
pp. 28
Author(s):  
Li Tie ◽  
Shen Hong-Lie ◽  
Shen Qin-Wo ◽  
Zou Shi-Chang

1994 ◽  
Vol 18 (2) ◽  
pp. 345-350 ◽  
Author(s):  
S. Goto ◽  
M. Jimbo ◽  
K. Meguro ◽  
S. Tsunashirna ◽  
S. Uchiyama

1995 ◽  
Vol 31 (6) ◽  
pp. 3933-3935 ◽  
Author(s):  
S. Gangopadhyay ◽  
J.X. Shen ◽  
M.T. Kief ◽  
J.A. Barnard ◽  
M.R. Parker

2000 ◽  
Vol 375 (1-2) ◽  
pp. 55-58 ◽  
Author(s):  
Hong-Lie Shen ◽  
Guan-Xiong Li ◽  
Qin-Wo Shen ◽  
Tie Li ◽  
Shi-Chang Zou

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