cylindrical films
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2019 ◽  
Vol 14 (05) ◽  
pp. P05005-P05005
Author(s):  
E. Brown ◽  
K. Odgers ◽  
M. Giordano ◽  
K. Lewis ◽  
T. Berger ◽  
...  

2008 ◽  
Vol 44 (1) ◽  
pp. 180-184 ◽  
Author(s):  
G. Sai Preeti ◽  
V. Vijay Kumar ◽  
V.S.S. Sastry ◽  
K.P.N. Murthy

1999 ◽  
Vol 577 ◽  
Author(s):  
V. Madurga ◽  
J. Vergara ◽  
R. J. Ortega ◽  
I. P. De Landazabal ◽  
C. Favieres

ABSTRACTPlanar and cylindrical Co thin films have been obtained by pulsed laser ablation. X-ray diffractograms have shown no crystalline structure for the as-deposited samples, while the 450 °C annealed samples exhibit Co fcc crystalline peaks. The Scanning Tunnelling Microscopy has revealed a small increase of the surface roughness for the annealed films. The Hall effect has been used to determine the value of the spontaneous magnetization, Ms, at room temperature; Ms, = 14 kgauss for the as-deposited sample and Ms, = 17.6 kgauss for the 450 °C annealed sample. From transverse magnetooptic Kerr effect, it has been found that the as-deposited samples exhibit magnetic bistability, with a coercive field, Hc, = 6 0e. The annealed samples also show a bistable behavior until the annealing temperature is 450 °C. Besides, it has been observed an increase of Hc up to = 50 Oe, when the annealing temperature increases. The vibrating sample magnetometry has confirmed these results, showing that the magnetization participating in the magnetooptic effect for these low fields is the total spontaneous magnetization of these samples. Moreover, the cylindrical films exhibit magnetoelastic behavior when they are subjected to angular deformation. It has been found that the saturation magnetostriction constant is negative.


1999 ◽  
Vol 562 ◽  
Author(s):  
V. Madurga ◽  
J. Vergara ◽  
R. J. Ortega ◽  
I. P. de Landazabal ◽  
C. Favieres

ABSTRACTPlanar and cylindrical Co thin films have been obtained by pulsed laser ablation. X-ray diffractograms have shown no crystalline structure for the as-deposited samples, while the 450 °C annealed samples exhibit Co fcc crystalline peaks. The Scanning Tunnelling Microscopy has revealed a small increase of the surface roughness for the annealed films. The Hall effect has been used to determine the value of the spontaneous magnetization, Ms, at room temperature; Ms ≈ 14 kgauss for the as-deposited sample and Ms ≈ 17.6 kgauss for the 450 °C annealed sample. From transverse magnetooptic Kerr effect, it has been found that the as-deposited samples exhibit magnetic bistability, with a coercive field, Hc, °C. Besides, it has been observed an increase of H, up to ≈ 50 Oe, when the annealing temperature increases. The vibrating sample magnetometry has confirmed these results, showing that the magnetization participating in the magnetooptic effect for these low fields is the total spontaneous magnetization of these samples. Moreover, the cylindrical films exhibit magnetoelastic behavior when they are subjected to angular deformation. It has been found that the saturation magnetostriction constant is negative.


1997 ◽  
Vol 59 (1-3) ◽  
pp. 153-157 ◽  
Author(s):  
Violeta Georgescu ◽  
A. Budur ◽  
I. Moisa

1972 ◽  
Vol 5 (9) ◽  
pp. 3572-3580 ◽  
Author(s):  
H. Lawrence Phillips ◽  
Hans Meissner
Keyword(s):  

1971 ◽  
Vol 42 (4) ◽  
pp. 1433-1434 ◽  
Author(s):  
T. P. Kehler ◽  
R. L. Coren
Keyword(s):  

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