At St. Joseph's clinic in Gatineau, Québec, participants were introduced to the MRI environment and experimental tasks, underwent standard procedures for removal
of all ferromagnetic objects (e.g., wristwatches), were provided with ear protection (i.e. ear phones and ear plugs), were positioned into the head coil, and were placed into the bore of the scanner.
@Renee — Induction ranges work only with vessels made
of a ferromagnetic metal.
Effect of thermal annealing on structure and magnetic properties
of ferromagnetic Mn0.5 Bi0.5 nanocrystals
By taking snapshots of the actual spin patterns for a series of different evolution times the propagation
of the ferromagnetic excitations can be measured with high resolution in space and time.
The sign and magnitude of the heat - driven spin current can be controlled by the composition
of a ferromagnetic layer and thickness of a heat sink layer.»
Image
of a ferromagnetic ring prepared using a scanning electron microscope: The magnetization (black / white contrast) runs along the ring and forms two domain walls.
They look like a «sandwich,» made of nanolayers
of ferromagnetic material, superconductor and other metals.
«In contrast, the highly crystalline and uniformly flat 2 - D CGT, together with its small intrinsic anisotropy, allows small external magnetic fields to effectively engineer the anisotropy, enabling an unprecedented magnetic field control
of ferromagnetic transition temperatures.»
Not exact matches
Due to its universal character, this theory is applicable to many fields
of physics such as, e.g., the observation
of the transition from metals to superconductors or the transition from
ferromagnetic to paramagnetic systems.
The discovery, to be published April 26 in the journal Nature, could have major implications for a wide range
of applications that rely upon
ferromagnetic materials, such as nanoscale memory, spintronic devices, and magnetic sensors.
That's the most exciting part, especially when we start talking about adding in different types
of metals that give it different characteristics, whether those be
ferromagnetic materials or elements that might make it more insulating.
The spin - valve consisted
of two
ferromagnetic cobalt layers, one superconductive niobium layer with thickness
of approximately 150 atoms and a layer
of gold.
This current
of heat creates a separation
of electron spins that then diffuse through the Cu heat sink and affect the magnetization
of a second
ferromagnetic layer, CoFeB, causing the magnetization to tilt and then precess.
A team
of researchers at the Brazilian Center for Physics Research is studying the motion
of vortex domain walls — local regions
of charge that collectively store information via their configuration — driven by magnetic fields in
ferromagnetic nanowires, which are configured in a straight line with an asymmetric Y - like branch.
Verbeeck and his team have confirmed that this is the case by shining the spiraling beam onto a
ferromagnetic film
of iron.
EPMs are a magnetic assembly consisting
of two permanent magnets (one hard — very difficult to demagnetize, one soft — easy to demagnetize), two
ferromagnetic poles, and a coil.
University
of Groningen physicists have taken a big step towards this goal by combining a niobium doped strontium titanate (SrTiO3) semiconductor with
ferromagnetic cobalt.
The role
of the metal - oxide interface in determining the spin polarization
of electrons tunneling from or into
ferromagnetic transition metals in magnetic tunnel junctions is reported.
Many have turned a songwriting pastime into a cottage industry — and their songs about physics are flowering in cyberspace in the form
of downloadable MP3 files, lyrics sheets, albums, and Web sites listing titles like «
Ferromagnetic Love,» «Coupled Oscillators,» and «Snell's Law — Macarena Style!»
The «wormhole» in this experiment is a sphere made
of different layers: an external layer with a
ferromagnetic surface, a second inner layer, made
of superconducting material, and a
ferromagnetic sheet rolled into a cylinder that crosses the sphere from one end to the other.
Yet, despite their widespread use, at room temperature only three elements are
ferromagnetic — meaning they have high susceptibility to becoming and remaining magnetic in the absence
of a field, as opposed to paramagnetic substances, which are only weakly attracted to the poles
of a magnet and do not retain any magnetism on their own.
Artificial spin ice is a class
of lithographically created arrays
of interacting
ferromagnetic nanometer - scale islands.
The aligned spins
of electrons left a distinct sign when a beam
of polarized light was reflected off the material's surface in
ferromagnetic materials.
Using a new trick, they have been able to induce synchronous motion
of the domain walls in a
ferromagnetic nanowire.
A team
of Argonne researchers led by materials scientist Anand Bhattacharya examined the relationship at interfaces between layers
of nonmagnetic nickel - based nickelate material and a
ferromagnetic manganese - based manganite.
In a
ferromagnetic material, such as iron or nickel, the randomness
of the electron spins at high temperatures makes the material symmetric in all directions.
First the team investigated how angle θ between
ferromagnetic layer magnetizations depends on angle φ between the axes
of the antiferromagnets (fig. 1a, top).
We argue that essentially all
of the signatures
of magnetism can be sorted into two distinct categories: (1) magnetic phases (e.g.,
ferromagnetic or Kondo) involving local magnetic moments and their coupling to itinerant electrons; (2) metamagnetic effects that are mediated by attractive electron - electron interactions that do not involve local moments.
The rippled surface
of its rear light strip is inspired by molten
ferromagnetic metal.
An HDD is, at its most simple, a set
of metal platters coated with a
ferromagnetic material.