Results 261 to 270 of about 21,197 (309)

Ferromagnetism as a universal feature of inorganic nanoparticles

open access: yesNano Today, 2009
Room-temperature ferromagnetism is exhibited by nanoparticles of a variety of inorganic materials although they are intrinsically non-magnetic. Typical of such nanomaterials are the oxides, CeO2, TiO2, Al2O3, and MgO.
C N R Rao
exaly   +2 more sources
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Coexistence of Ferromagnetism and Paramagnetism in a Ferromagnetic Monolayer

Physical Review Letters, 2008
The ferromagnetic-paramagnetic phase transition in an Fe monolayer grown on a 2 ML Au/W(110) substrate and capped with a 1 ML Au layer was studied with spin polarized low electron energy microscopy. When the data are analyzed as in previous studies, not only the Curie temperature T(C) but also the effective critical exponent beta depends upon the ...
Ryszard Zdyb, Bauer, E.
openaire   +2 more sources

Chaos in the Ferromagnetic Phase of a Reentrant Ferromagnet

Physical Review Letters, 1996
The inherent dynamic properties of the ferromagnetic phase of a reentrant ferromagnet, (Fe{sub 0.20}Ni{sub 0.80}){sub 75}P{sub 16}B{sub 6}Al{sub 3}, have been experimentally investigated by low field magnetic relaxation and ac susceptibility measurements.
, Jonason, , Mattsson, , Nordblad
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Superconductivity and Ferromagnetism

IBM Journal of Research and Development, 1962
Superconductivity and ferromagnetism were considered exclusive phenomena for many decades. Ever since Kamerlingh Onnes' discovery that strong magnetic fields will destroy superconductivity it had been assumed that the large internal, or Weiss field, in a ferromagnet would never permit the occurrence of superconductivity.
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Nuclear Ferromagnetism and Antiferromagnetism

Physica B+C, 1977
Abstract This article, written for the lay reader, describes some studies, initiated in the author's laboratory in the late 1960s and pursued there for more than 15 years. The interested reader can find a full technical description in the book Nuclear Magnetism. Order and Disorder by A. Abragam and M. Goldman. The present account is an abridged version
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Ferromagnetic microswimmer

Physical Review E, 2009
The self-propelling motion of the flexible ferromagnetic swimmer is described. Necessary symmetry breaking is achieved by the buckling instability at field inversion. The characteristics of self-propulsion are in good agreement with the numerical calculations of the Floquet multipliers for the ferromagnetic filament under the action of ac magnetic ...
Belovs, M., Cēbers, A.
openaire   +4 more sources

Ferromagnetism and EMFs

Nature, 1995
The question of whether weak, extremely low-frequency electromagnetic fields (EMFs) can cause cancer always generates heated debate (see, for example, refs 1-3). In addition to epidemiological studies, a substantial body of literature exists on EMF stimulation of cells grown in vitro (for example, refs 4, 5). Although numerous effects have been
Kobayashi, Atsuko K.   +2 more
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Conductance spectra of asymmetric ferromagnet/ferromagnet/ferromagnet junctions

Journal of Magnetism and Magnetic Materials, 2017
Abstract A theory of tunneling spectroscopy of ferromagnet/ferromagnet/ferromagnet junctions was studied. We applied a delta-functional approximation for the interface scattering properties under a one-dimensional system of a free electron approach.
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Multi-state magnetoresistance in ferromagnet/organic-ferromagnet/ferromagnet junctions

Applied Physics Letters, 2014
Spin-dependent transport through a ferromagnetic metal/organic-ferromagnet/ferromagnet metal junction is investigated theoretically. It is demonstrated that the current through the device strongly depends on the alignment of the magnetization orientations of the electrodes and interlayer.
G. C. Hu   +4 more
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Tunneling Magnetoresistance in Ferromagnet/Insulator/Ferromagnet Junctions

International Journal of Modern Physics B, 1997
A δ-type potential with complex prefactor is modeled on the tunneling barrier of a thin insulator (I) film separating two ferromagnetic (FM) films. By matching value and slope of wave functions across the tunneling barrier of a FM/I/FM junction, we obtain a general expression for tunneling conductance as a function of relative orientation θ between ...
Yang, X   +4 more
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