What does spin polarization mean?
Definitions for spin polarization
spin polar·iza·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word spin polarization.
Wiktionary
spin polarizationnoun
the intrinsic alignment of the angular momentum of a system
Wikidata
Spin polarization
Spin polarization is the degree to which the spin, i.e., the intrinsic angular momentum of elementary particles, is aligned with a given direction. This property may pertain to the spin, hence to the magnetic moment, of conduction electrons in ferromagnetic metals, such as iron, giving rise to spin-polarized currents. It may refer to spin waves, preferential correlation of spin orientation with ordered lattices. It may also pertain to beams of particles, produced for particular aims, such as polarized neutron scattering or muon spin spectroscopy. Spin polarization of electrons or of nuclei, often called simply magnetization, is also produced by the application of a magnetic field. Curie law is used to produce an induction signal in Electron spin resonance and in Nuclear magnetic resonance. Spin polarization is also important for spintronics, a branch of electronics. Magnetic semiconductors are being researched as possible spintronic materials. The spin of free electrons is measured either by a LEED image from a clean wolfram-crystal or by an electron microscope composed purely of electrostatic lenses and a gold foil as a sample. Back scattered electrons are decelerated by annular optics and focused onto a ring shaped electron multiplier at about 15°. The position on the ring is recorded. This whole device is called a Mott-detector. Depending on their spin the electrons have the chance to hit the ring at different positions. 1% of the electrons are scattered in the foil. Of these 1% are collected by the detector and then about 30% of the electrons hit the detector at the wrong position. Both devices work due to spin orbit coupling.
Numerology
Chaldean Numerology
The numerical value of spin polarization in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of spin polarization in Pythagorean Numerology is: 7
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"spin polarization." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/spin+polarization>.
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