Search results for keyword: quantum
physical constant
？ A Physical Constant is a physical quantity that remains constant in varying conditions so that its values do not change when measured in the same system of units or assumed conditions. Examples of physical constants are the speed of light in a vacuum, the speed of sound, the gravitational constan......
1052 
Sophie
surface condition
Surface State
Surface state, in physics, refers to the surface electrons of a material which have been atomically modified during preparation of the surface to create a region of electric conductivity. The states on the surface are generally different from those of the bulk due to the unique elec......
Oriented crystal AlNi alloy magnet
Introduction
Magnetic alloys composed of aluminum, nickel and zinc have been widely used in many industries due to their excellent magnetic properties and good electrical conductivity. AlNiZn alloys are attractive due to their high coercive forces, low coercivity, good resistance to oxidation and......
Application of superconducting materials in small devices
Abstract
The application of superconducting materials in small devices has attracted much attention recently, as miniaturization of devices is greatly desired. Use of superconducting materials is especially attractive due to their unique properties, such as eliminating electrical resistance and ......
superconducting gap
Superconducting Gap
Superconductivity is a state where electrical current flows with zero resistance in certain materials which are cooled below a certain temperature called the critical temperature. A superconducting gap is the gap in the energy spectrum of the material which is necessary for t......
Doping of semiconductor materials
Introduction
Defects in semiconductor materials have serious impacts on the device performance and reliability, leading to a need for high-quality and reliable semiconductor materials. To achieve such a requirement, one of the common techniques used is to introduce intentional impurities into the......
indium arsenide
Indium arsenide (InAs) is a compound of indium and arsenic. It is a relatively new semiconductor material that is increasingly being used in electrical, optoelectronic, and nanotechnology applications. Indium arsenide has advantages over other semiconductors including its ability to be used in hig......
semiconductor superlattice
Introduction
A semiconductor superlattice is a periodic crystalline structure built up of two or more alternating semiconductor materials. A semiconductor is a material which has some of the properties of both a conductor and an insulator. When the two materials are combined the resulting structu......
Semiconductor materials for light emission
Introduction
Light-emitting diodes (LEDs) are one of the most promising semiconductor materials used for light emission applications in the past decades. LEDs are widely used in consumer electronic products, automotive lighting, display industry, and lighting industry. LEDs are also used for illu......
High temperature superconducting materials
High-temperature superconducting materials
High-temperature superconducting materials, or HTSCs, refer to a new class of materials that exhibit zero electrical resistivity and dramatic enhancement of magnetic properties at temperatures higher than 30K, far above the previously known superconduct......
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