antiferromagnetic Neel temperature

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• Néel temperature — The Néel temperature or magnetic ordering temperature , TN, is the temperature above which an antiferromagnetic material becomes paramagnetic that is, the thermal energy becomes large enough to destroy the macroscopic magnetic ordering within the …   Wikipedia

• Neel temperature of antiferromagnetic substances — ▪ Table Néel temperature of antiferromagnetic substances chromium 311 K manganese fluoride 67 K nickel fluoride 73 K manganese oxide 116 K ferrous oxide 198 K See as table: * * * …   Universalium

• Neel — may refer to: Alice Neel (documentary) film about painter Alice Neel Neel, in Indian numbering system Neel Kamal (1947 film) directed by Kidar Nath Sharma Neel as a first name Neel Akasher Neechey, a Bengali language film director Neel Doff (1858 …   Wikipedia

• Néel, Louis — (1904 2000)    physicist, Nobel laureate    Louis Néel, who made significant advances in the understanding of the magnetic properties of solid materials, was born in lyon and studied at the École normale supérieure (1928) and at the University of …   France. A reference guide from Renaissance to the Present

• Curie temperature — In physics and materials science, the Curie temperature (Tc), or Curie point, is the temperature at which a ferromagnetic or a ferrimagnetic material becomes paramagnetic on heating; the effect is reversible. A magnet will lose its magnetism if… …   Wikipedia

• magnetism — /mag ni tiz euhm/, n. 1. the properties of attraction possessed by magnets; the molecular properties common to magnets. 2. the agency producing magnetic phenomena. 3. the science dealing with magnetic phenomena. 4. strong attractive power or… …   Universalium

• Antiferromagnetism — In materials that exhibit antiferromagnetism, the magnetic moments of atoms or molecules, usuallyrelated to the spins of electrons, align in a regular pattern with neighboring spins (on different sublattices) pointing in opposite directions. This …   Wikipedia

• antiferromagnetism — ▪ physics       type of magnetism (ferromagnetism) in solids such as manganese oxide (MnO) in which adjacent ions that behave as tiny magnets (in this case manganese ions, Mn2+) spontaneously align themselves at relatively low temperatures into… …   Universalium

• Magnetochemistry — is concerned with the magnetic properties of chemical compounds. Magnetic properties arise from the spin and orbital angular momentum of the electrons contained in a compound. Compounds are diamagnetic when they contain no unpaired electrons.… …   Wikipedia

• crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium

• Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… …   Universalium