Structural and magnetic properties of Al doped Co–Ag granular films: temperature dependence of magnetoresistance

2004 ◽  
Vol 279 (2-3) ◽  
pp. 202-209 ◽  
Author(s):  
R.Mustafa Öksüzoglu ◽  
Ayhan Elmali ◽  
Rüdiger Henn ◽  
Hartmut Fuess ◽  
Horst Hahn
Keyword(s):  
Magnetic Properties ◽  
Temperature Dependence ◽  
Granular Films ◽  
Structural And Magnetic Properties

scholarly journals Structural and Magnetic Properties of Ni0.8Fe0.2/Ti Nanoscale Multilayers

Nanomaterials ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 780 ◽  
Author(s):  
Ricardo López Antón ◽  
Juan A. González ◽  
Juan P. Andrés ◽  
Andrei V. Svalov ◽  
Galina V. Kurlyandskaya
Keyword(s):  
Magnetic Properties ◽  
Temperature Dependence ◽  
Layered Structure ◽  
Magnetic Measurements ◽  
Hysteresis Loops ◽  
Multilayered Structures ◽  
X Ray ◽  
Structural And Magnetic Properties

The influence of the thickness of the Ni0.8Fe0.2 (Permalloy, Py) layers on the structural and magnetic properties of magnetron sputtered Py/Ti multilayers was studied. The thickness of the Py layers was varied in the interval of 8 to 30 Å. X-ray reflectivity scans evidence the existence of a well-defined layered structure in all the samples considered, but also the presence of a complex intermixed interface. The shape of both the temperature dependence of magnetization and the hysteresis loops of the multilayered structures depends strongly on Py thickness. Magnetic and reflectivity measurements were comparatively analyzed in order to better understand the structure of the samples, and specifically, their interfaces. In particular, the presence of small superparamagnetic Py at the interfaces of the samples, especially evident in the samples with the thinnest Py layers, seems confirmed by the magnetic measurements, agreeing well with the reflectivity results.

scholarly journals Structural and Magnetic Properties of Nanosized Half-Doped Rare-Earth Ho0.5Ca0.5MnO3 Manganite

2022 ◽  
Vol 12 (2) ◽  
pp. 695
Author(s):  
Alessandra Geddo Lehmann ◽  
Giuseppe Muscas ◽  
Maurizio Ferretti ◽  
Emanuela Pusceddu ◽  
Davide Peddis ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Temperature Dependence ◽  
Sol Gel ◽  
Double Exchange ◽  
Exchange Interactions ◽  
Charge Ordering ◽  
Lattice Parameters ◽  
Orthorhombic Symmetry ◽  
Orbital Ordering ◽  
Structural And Magnetic Properties

We investigated the structural and magnetic properties of 20 nm-sized nanoparticles of the half-doped manganite Ho0.5Ca0.5MnO3 prepared by sol-gel approach. Neutron powder diffraction patterns show Pbnm orthorhombic symmetry for 10 K < T < 290 K, with lattice parameters a, b, and c in the relationship c/√2 < a < b, indicating a cooperative Jahn–Teller effect, i.e., orbital ordering OO, from below room temperature. In contrast with the bulk samples, in the interval 250 < T < 300 K, the fingerprint of charge ordering (CO) does not manifest itself in the temperature dependence of lattice parameters. However, there are signs of CO in the temperature dependence of magnetization. Accordingly, below 100 K superlattice magnetic Bragg reflections arise, which are consistent with an antiferromagnetic phase strictly related to the bulk Mn ordering of a charge exchange-type (CE-type), but characterized by an increased fraction of ferromagnetic couplings between manganese species themselves. Our results show that in this narrow band half-doped manganite, size reduction only modifies the balance between the Anderson superexchange and Zener double exchange interactions, without destabilizing an overall very robust antiferromagnetic state.

Facing-target sputtered Fe–C granular films: Structural and magnetic properties

2005 ◽  
Vol 97 (4) ◽  
pp. 043903 ◽  
Author(s):  
W. B. Mi ◽  
Z. Q. Li ◽  
P. Wu ◽  
E. Y. Jiang ◽  
H. L. Bai ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Granular Films ◽  
Structural And Magnetic Properties

Influence of co-evaporation technique on the structural and magnetic properties of CoCu granular films

1999 ◽  
Vol 196-197 ◽  
pp. 29-30 ◽  
Author(s):  
G.N. Kakazei ◽  
A.F. Kravetz ◽  
N.A. Lesnik ◽  
M.M. Pereira de Azevedo ◽  
Yu.G. Pogorelov ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Granular Films ◽  
Evaporation Technique ◽  
Structural And Magnetic Properties

Structural and magnetic properties of Y6(Fe1-xMnx)23

1979 ◽  
Vol 40 (C5) ◽  
pp. C5-206-C5-208 ◽  
Author(s):  
W. J. James ◽  
K. Hardman ◽  
W. Yelon ◽  
B. Kebe
Keyword(s):  
Magnetic Properties ◽  
Structural And Magnetic Properties

STRUCTURAL AND MAGNETIC PROPERTIES OF Co(AlCr) ALLOYS

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-153-C8-154
Author(s):  
J. G. Booth ◽  
R. M. Mankikar ◽  
A. S. Saleh
Keyword(s):  
Magnetic Properties ◽  
Structural And Magnetic Properties
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