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Spin state switching in iron coordination compounds - Beilstein
Spin state switching in iron coordination compounds - Beilstein

... The article deals with coordination compounds of iron(II) that may exhibit thermally induced spin transition, known as spin crossover, depending on the nature of the coordinating ligand sphere. Spin transition in such compounds also occurs under pressure and irradiation with light. The spin states i ...
(II) and europium (III)
(II) and europium (III)

Growth and characterisation of Bi-based multiferroic thin films Eric Langenberg Pérez
Growth and characterisation of Bi-based multiferroic thin films Eric Langenberg Pérez

10 - E-Prints Complutense
10 - E-Prints Complutense

X-ray spectra of highly magnetized neutron stars in binary systems
X-ray spectra of highly magnetized neutron stars in binary systems

... on (or close to) the surface of the neutron star in form of hard X-rays; therefore these systems are called X-ray binaries. The formation of neutron stars and binary system is therefore discussed in Chapter 2. The discovery of pulsations proved that the neutron stars were spinning with high frequenc ...
Nanoparticle, NiO, Nanocomposite, Sol-gel, UV
Nanoparticle, NiO, Nanocomposite, Sol-gel, UV

... It is also clearly seen fro m the figure that the absorption coefficient tends to decrease exponentially as the wavelength increases like the case of pure NiO nanoparticles[4]. This behaviour is typical for many semiconductors and can occur for a variety of reasons, such as internal electric fields ...
U P C NIVERSITAT
U P C NIVERSITAT

... dwarf in a binary system — with either another white dwarf, through the so-called double-degenerate channel, or a main-sequence or red giant companion through the single-degenerate channel — could give rise to a Type Ia supernova event. Yet, despite the recent breakthrough detections of relatively n ...
- Repository of the Academy`s Library
- Repository of the Academy`s Library

Intermetallic Magnesium Compounds RE2 Ni Mg (RE = Gd, Dy–Tm
Intermetallic Magnesium Compounds RE2 Ni Mg (RE = Gd, Dy–Tm

Electromagnetic toroidal excitations in matter and free space
Electromagnetic toroidal excitations in matter and free space

... toroidal dipole emits radiation with the same angular momentum and parity properties as the former 5,14, and therefore the two multipoles cannot be distinguished by a distant observer. Nevertheless, the toroidal dipole emission presents a distinct frequency dependence, and in the harmonic case where ...
Microscopic vortex velocity in the inner crust and outer core of
Microscopic vortex velocity in the inner crust and outer core of

... and dripped neutron superfluid interspersed with them is well established since the pioneering work of Negele & Vautherin (1973). The superfluid density inside a nucleus is found to be somewhat larger than the outside dripped superfluid, ρ in > ρ out , in most parts of the inner crust. This means th ...
Double relics in Abell 2345 and Abell 1240
Double relics in Abell 2345 and Abell 1240

... solutions, followed by a final amplitude and gain self-calibration cycle. In addition we recovered from the VLA data archive a short observation performed with AnB array. The source 3C 48 was used as primary flux density calibrator and the source 2121+053 was used as phase calibrator. We reduced and ...
Untitled - The University of New Mexico
Untitled - The University of New Mexico

Basic Properties of Matter - Reciprocal System of theory
Basic Properties of Matter - Reciprocal System of theory

Gravitational Waves from 3D MHD Core
Gravitational Waves from 3D MHD Core

Electromagnetic Properties of Neutrinos
Electromagnetic Properties of Neutrinos

... between the left-handed components of the three flavor neutrino fields νe , νμ , ντ and the lefthanded components of three massive neutrino fields νk with masses mk k  1, 2, 3. The 3 × 3 mixing matrix U is unitary U†  U−1 . Neutrino electromagnetic properties are discussed in 4–7, and in the ...
Photometric Variability and Rotation in Magnetic White Dwarfs
Photometric Variability and Rotation in Magnetic White Dwarfs

Engineering Fluid Mechanics
Engineering Fluid Mechanics

Synthesis and characterization of pure and doped ZnO
Synthesis and characterization of pure and doped ZnO

Plasmoid-induced-reconnection and fractal reconnection Kazunari Shibata and Syuniti Tanuma
Plasmoid-induced-reconnection and fractal reconnection Kazunari Shibata and Syuniti Tanuma

... al., 1999, 2001) have revealed that if the resistivity is spatially uniform, fast, steady-state Petscheck-type reconnection does not occur but instead slow, Sweet-Parker-type reconnection occurs. This holds especially when a strong inflow is imposed at the external boundary, and the only way so far ...
A crucial factor in the MRS is signal to noise ratio
A crucial factor in the MRS is signal to noise ratio

Oersted`s discovery of electromagnetism
Oersted`s discovery of electromagnetism

... action of magnetism on electricity. 'One feels that magnetic forces are as general as electric forces. An attempt should be made to see if electricity, in its most latent stage, has any action on the magnet as such.'19 It was not until 1820 that Oersted succeeded in proving the connection between el ...
lec11 1.72 MB
lec11 1.72 MB

... Force on a charge, contd Solution: Path in a uniform magnetic field, contd This will cause the particle to accelerate sideways from its original path. But B is still ⊥ to v so will accelerate sideways relative to new path. q ...
Solution - Higher Technological Institute
Solution - Higher Technological Institute

... 2.4 Free Surface of Water Free surface of liquid in a vessel may be subjected to: - atmospheric pressure (open vessel) or, - any other pressure that is exerted in the vessel (closed vessel). 2.5 Surface of Equal Pressure - The hydrostatic pressure in a body of liquid varies with the vertical distanc ...
Another Look at Gaussian CGS Units
Another Look at Gaussian CGS Units

1 2 3 4 5 ... 187 >

Ferrofluid



A ferrofluid (portmanteau of ferromagnetic and fluid) is a liquid that becomes strongly magnetized in the presence of a magnetic field.Ferrofluid was invented in 1963 by NASA's Steve Papell as a liquid rocket fuel that could be drawn toward a pump inlet in a weightless environment by applying a magnetic field.Ferrofluids are colloidal liquids made of nanoscale ferromagnetic, or ferrimagnetic, particles suspended in a carrier fluid (usually an organic solvent or water). Each tiny particle is thoroughly coated with a surfactant to inhibit clumping. Large ferromagnetic particles can be ripped out of the homogeneous colloidal mixture, forming a separate clump of magnetic dust when exposed to strong magnetic fields. The magnetic attraction of nanoparticles is weak enough that the surfactant's Van der Waals force is sufficient to prevent magnetic clumping or agglomeration. Ferrofluids usually do not retain magnetization in the absence of an externally applied field and thus are often classified as ""superparamagnets"" rather than ferromagnets.The difference between ferrofluids and magnetorheological fluids (MR fluids) is the size of the particles. The particles in a ferrofluid primarily consist of nanoparticles which are suspended by Brownian motion and generally will not settle under normal conditions. MR fluid particles primarily consist of micrometre-scale particles which are too heavy for Brownian motion to keep them suspended, and thus will settle over time because of the inherent density difference between the particle and its carrier fluid. These two fluids have very different applications as a result.
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