Unconventional magnetic properties in transverse Ising nanoislands: Effects of interlayer coupling

2015 ◽  
Vol 65 ◽  
pp. 100-105 ◽  
Author(s):  
T. Kaneyoshi
1992 ◽  
Vol 46 (2) ◽  
pp. 1244-1247 ◽  
Author(s):  
Ravi P. Singh ◽  
Z. C. Tao ◽  
M. Singh

1995 ◽  
Vol 140-144 ◽  
pp. 565-566 ◽  
Author(s):  
Q.Y. Jin ◽  
M. Lu ◽  
Q.S. Bie ◽  
Y.B. Xu ◽  
H.R. Zhai ◽  
...  

1993 ◽  
Vol 46 (4) ◽  
pp. 571 ◽  
Author(s):  
A Du ◽  
GZ Wei

The double-time-temperature spin Green's function method is used to study the magnetic properties of layered ferromagnets with arbitrary spin S, within Tyablikov's decoupling approximation. According to the extent to which interlayer coupling suppresses twodimensional spin fluctuations, we divide the low-temperature region into two new ones, and give the asymptotic expressions for magnetisation and susceptibility over different temperature regions, including the low-temperature region, the vicinity of the Curie temperature and the high-temperature region. We also give the Curie temperature in an asymptotic form when inter layer coupling is weak.


SPIN ◽  
2020 ◽  
Vol 10 (01) ◽  
pp. 2050009
Author(s):  
A. Lekdadri ◽  
H. Salhi ◽  
H. Lassri ◽  
R. Moubah

Co/Mn multilayers were prepared using evaporation technique under ultra-high vacuum conditions and their structural and magnetic properties were studied. The temperature dependence of the spontaneous magnetization [Formula: see text] was recorded for different cobalt layer thickness ([Formula: see text]) ranging from 19[Formula: see text]Å to 70[Formula: see text]Å. Bloch’s law describes satisfactory the thermal change of magnetization for all samples. In addition, the change of the spin-wave (SW) parameter [Formula: see text] versus [Formula: see text] was discussed. The torque magnetometry was utilized to extract the effective anisotropy ([Formula: see text]) and the interlayer coupling constant ([Formula: see text]) was determined from the in-plan M–H loops. An updated model based on SW theory was applied to describe the [Formula: see text] variation and to calculate the approximate values of exchange interactions for samples with different Co-layer thicknesses.


2005 ◽  
Vol 388 (2) ◽  
pp. 186-189 ◽  
Author(s):  
K. Benkirane ◽  
R. Elkabil ◽  
M. Lassri ◽  
M. Abid ◽  
H. Lassri ◽  
...  

2014 ◽  
Vol 116 (6) ◽  
pp. 063906 ◽  
Author(s):  
R. Mansell ◽  
D. C. M. C. Petit ◽  
A. Fernández-Pacheco ◽  
R. Lavrijsen ◽  
J. H. Lee ◽  
...  

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