MATERIALS SCIENCE: Simply Hexagonal Stacks
نویسندگان
چکیده
منابع مشابه
Texture analysis in hexagonal materials
Textures in the hexagonal metals have attracted significant interest over the years because of the use of some hexagonal metals and alloys, e.g. Zircaloy cladding for nuclear reactor fuels, Ti alloys for aerospace and aircraft industry, and Mg alloys for automobile and computer, communication and consumer electronic (3C) appliances. From a mechanistic point of view, hexagonal metals are differe...
متن کاملExcitons in hexagonal nanonetwork materials
Optical excitations in hexagonal nanonetwork materials, for example, Boron-Nitride (BN) sheets and nanotubes, are investigated theoretically. A permanent electric dipole moment, whose direction is from the B site to the N site, is considered along the BN bond. When the exciton hopping integral is restricted to the nearest neighbors, the flat band of the exciton appears at the lowest energy. The...
متن کاملOptical Excitations in Hexagonal Nanonetwork Materials
Optical excitations in hexagonal nanonetwork materials, for example, Boron-Nitride (BN) sheets and nanotubes, are investigated theoretically. The bonding of BN systems is positively polarized at the B site, and is negatively polarized at the N site. There is a permanent electric dipole moment along the BN bond, whose direction is from the B site to the N site. When the exciton hopping integral ...
متن کاملLinköpings universitet Materials Science Computational Materials Science from ab initio
Rajeev Ahuja use state-of-the-art theoretical methods to tackle complex material science systems at a very hight level of detail.
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ژورنال
عنوان ژورنال: Science
سال: 2007
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.316.5823.343b