semimetals


semimetals
Смотри Полуметаллы.

Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. . 2000.

Смотреть что такое "semimetals" в других словарях:

  • Полуметаллы — [semimetals] элементы, занимающие по электрическим свойствам промежуточное положение между металлами и полупроводниками. Характерная особенность полуметаллов слабое перекрытие валентной зоны и зоны проводимости, что приводит к тому, что… …   Энциклопедический словарь по металлургии

  • Metalloid —   13 14 15 16 17   2  B Boron …   Wikipedia

  • Semimetal — A semimetal is a material with a small overlap in the energy of the conduction band and valence bands. [cite book first=Gerald last=Burns title=Solid State Physics year=1985 publisher=Academic Press, Inc. San Diego id=ISBN 0 12 146070 3 pages=339 …   Wikipedia

  • native element — Any of the 19 chemical elements that occur as minerals and are found in nature uncombined with other elements. They are commonly divided into three groups: metals (platinum, iridium, osmium, iron, zinc, tin, gold, silver, copper, mercury, lead …   Universalium

  • chemical compound — Introduction  any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element).       All the matter in the universe is composed of the atoms of more than 100 different chemical elements …   Universalium

  • Organometallic chemistry — n Butyllithium, an organometallic compound. Four lithium atoms are shown in purple in a tetrahedron, and each lithium atom is bound to a butyl group (carbon is black, hydrogen is white). Organometallic chemistry is the study of chemical compounds …   Wikipedia

  • Periodic table — This article is about the periodic table of the elements . For other uses, see The Periodic Table. The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118… …   Wikipedia

  • Valence band — In solids, the valence band is the highest range of electron energies where electrons are normally present at absolute zero. In semiconductors and insulators, there is a band gap above the valence band, followed by a conduction band above that.… …   Wikipedia

  • Gallium(III) nitride — Chembox new Name = Gallium(III) nitride IUPACName = Gallium(III) nitride OtherNames = None Listed. Name = Section1 = Chembox Identifiers CASNo = 25617 97 4 Section2 = Chembox Properties Formula = GaN MolarMass = 83.7297 g/mol Appearance = Yellow… …   Wikipedia

  • Diamond anvil cell — Schematics of the core of a diamond anvil cell. The diamond size is a few millimeters at most A diamond anvil cell (DAC) is a device used in scientific experiments. It allows compressing a small (sub millimeter sized) piece of material to extreme …   Wikipedia


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