- electron-spin resonance spectrum
- • спектър на електронен спинов резонанс
English-Bulgarian polytechnical dictionary . 2013.
electron-spin resonance spectrum
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electron spin resonance (ESR) — or electron paramagnetic resonance (EPR) Technique of spectroscopic analysis (see spectroscopy) used to identify paramagnetic substances (see paramagnetism) and investigate the nature of the bonding within molecules by identifying unpaired… … Universalium
Electron paramagnetic resonance — (EPR) or electron spin resonance (ESR) spectroscopy is a technique for studying chemical species that have one or more unpaired electrons, such as organic and inorganic free radicals or inorganic complexes possessing a transition metal ion. The… … Wikipedia
electron paramagnetic resonance — ▪ physics also called electron spin resonance (ESR) selective absorption of weak radio frequency electromagnetic radiation (in the microwave region) by unpaired electrons in the atomic structure of certain materials that simultaneously… … Universalium
Spin (physics) — This article is about spin in quantum mechanics. For rotation in classical mechanics, see angular momentum. In quantum mechanics and particle physics, spin is a fundamental characteristic property of elementary particles, composite particles… … Wikipedia
Resonance — This article is about resonance in physics. For other uses, see Resonance (disambiguation). Resonant redirects here. For the phonological term, see Sonorant. Increase of amplitude as damping decreases and frequency approaches resonant frequency… … Wikipedia
Spin quantum number — In atomic physics, the spin quantum number is a quantum number that parameterizes the intrinsic angular momentum (or spin angular momentum, or simply spin) of a given particle. The spin quantum number is the fourth of a set of quantum numbers… … Wikipedia
Spin wave — Spin waves are propagating disturbances in the ordering of magnetic materials. These low lying collective excitations occur in magnetic lattices with continuous symmetry. From the equivalent quasiparticle point of view, spin waves are known as… … Wikipedia
Spin trapping — is an analytical technique employed in the detection and identification of short lived free radicals. Spin trapping involves the addition of radical to a nitrone spin trap resulting in the formation of a spin adduct, a nitroxide based persistent… … Wikipedia
Spin-exchange interaction — A spin exchange interaction preserves total angular momentum of the system but may allow other aspects of the system to change. When two spin polarized atoms in their ground state experience a spin exchange collision, the total spin of the atoms… … Wikipedia
Nuclear magnetic resonance — This article is about the physical phenomenon. For its use as a method in spectroscopy, see Nuclear magnetic resonance spectroscopy. NMR redirects here. For other uses, see NMR (disambiguation). First 1 GHz NMR Spectrometer (1000 MHz,… … Wikipedia
magnetic resonance — Absorption or emission of electromagnetic radiation by electrons or atomic nuclei in response to certain magnetic fields. The principles of magnetic resonance are used to study the atomic and nuclear properties of matter; two common laboratory… … Universalium
