The absorption of a photon raising an electron across the forbidden gap from valence to conduction band of the semiconductor where conductivity is increased and incident radiation may be measured.

Sapphire optical fiber is a type of optical fiber made from single-crystal sapphire, which is a form of aluminum oxide...

A film of material that exhibits varying conductivity based upon its absorption of varying amounts of photon radiation.

The conductivity increase exhibited by some nonmetallic materials, resulting from the free carriers generated when photon...

A sapphire window refers to a transparent optical component made from sapphire crystal. Sapphire is a single-crystal form of...

A fiber-coupled photoconductive antenna (FCPA) is a type of optoelectronic device that combines a photoconductive antenna...

In a semiconductor, the state created by the addition of a dopant that provides excess electrons.

A photoconductor that demonstrates increased conductivity during its exposure to infrared radiation.

A semiconductor is a type of material that has electrical conductivity between that of a conductor and an insulator. In...

The ability of an electrical current to destroy superconductivity by means of the magnetic field generated by the current....

Thermal interface materials (TIMs) are substances or compounds used to enhance the thermal conductivity between two surfaces...

The property exhibited by a substance having electrical conductivity that decreases as the intensity of the incident visible...

Substances that exhibit the characteristics of both acids and bases and are capable of both P- and N-type conductivity.

Carrier injection refers to the process of introducing charge carriers (either electrons or holes) into a semiconductor...

Anisotropic is a term used to describe a material or substance that exhibits different properties or behaviors in different...

The term perovskite refers to a specific crystal structure commonly found in various materials. Perovskite structures have a...

The creation of free electrons within a solid by the absorption of a sufficient amount of photons. The effect produces an...

Exhibiting the characteristic of materials that are electrical insulators or in which an electric field can be sustained...

An infrared detector is a device that is used to detect and measure infrared radiation, which lies beyond the visible...

Anisotropy refers to the property of exhibiting different values or characteristics when measured in different directions....

Bardeen-Cooper-Schrieffer theory of superconductivity, based on the notion that electrons with opposite momentum and spin...

That property of a substance that determines that there will be a decrease in conductivity when exposed to light radiation.

In a semiconductor, the state created by the addition of a dopant that creates excess holes.

In the context of materials science and semiconductor physics, doping refers to the intentional introduction of impurities...

Silicon carbide (SiC) light-emitting diodes (LEDs) are semiconductor devices that emit light when an electric current is...

Complementary metal-oxide-semiconductor (CMOS) refers to a technology used in the fabrication of integrated circuits,...

Photoconductivity that may be extended as far as the microwave region because of the absorption of photons by electrons.

A nanotube, also known as a nanotubule or simply a tube-like structure, is a nanoscale cylindrical structure composed of...

A YAG crystal refers to a solid-state crystal made of yttrium aluminum garnet (YAG), which is a synthetic crystalline...

Rare earth dopants refer to elements from the lanthanide series, also known as rare earth elements, that are intentionally...

A calorimetric calculation from which the temperature vs. time dependence of any point on a sample can be determined,...

The alteration of electric conductivity produced by the absorption of varying amounts of radiation composed of photons.

Thin-film coatings are layers of material applied to the surface of an object or substrate, typically to modify its optical,...

Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications...

A sputtering target is a solid material used in the process of physical vapor deposition (PVD), specifically sputtering....

Photoconductivity due to the addition of impurities or external causes.

A spectral phenomenon in which the degree of the photoresponse of an illuminated semiconductor is determined by the...

A phonon is a quantum of vibrational energy associated with the periodic motion of atoms or molecules in a crystalline...

Graphene is a two-dimensional allotrope of carbon consisting of a single layer of carbon atoms arranged in a hexagonal...

An atomic force microscope (AFM) is a high-resolution imaging and measurement instrument used in nanotechnology, materials...

A dielectric ceramic material used in laser capillary tubes because of its high electrical resistivity and high thermal...