pyroelectric material

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• Pyroelectric crystal — Pyroelectric crystals are crystals that generate electricity when heated. It is similar to piezoelectricity.Crystal symmetryCrystal structures can be divided into 32 classes, or point groups, according to the number of rotational axes and… …   Wikipedia

• Nuclear material — This article is about the materials. For parts of the nucleus, see atomic nucleus. Nuclear material refers to the metals uranium, plutonium, and thorium, in any form, according to the IAEA. This is differentiated further into source material ,… …   Wikipedia

• Pyroelectricity — is the ability of certain materials to generate an electrical potential when they are heated or cooled. As a result of this change in temperature, positive and negative charges move to opposite ends through migration (i.e., the material becomes… …   Wikipedia

• Passive infrared sensor — A Passive InfraRed sensor (PIR sensor) is an electronic device that measures infrared (IR) light radiating from objects in its field of view. PIR sensors are often used in the construction of PIR based motion detectors (see below). Apparent… …   Wikipedia

• Michael Francis Tompsett — is a British born physicist and former researcher at English Electric Valve Company, [1] who later moved to Bell Labs in America. He is best known as the inventor of Charge Coupled Device (CCD) Imagers used for imaging in devices such as digital… …   Wikipedia

• Nuclear fusion — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical dec …   Wikipedia

• Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …   Wikipedia

• Neutron generator — Neutron generators are neutron source devices which contain compact linear accelerators and that produce neutrons by fusing isotopes of hydrogen together. The fusion reactions take place in these devices by accelerating either deuterium, tritium …   Wikipedia

• Piezoelectricity — is the ability of some materials (notably crystals and certain ceramics, including bone) to generate an electric potentialPrinciples of Instrumental Analysis. 6th Edition, 2007. Skoog, Holler, and Crouch. Chapter 1, Sec. 1C 4, Pg. 9.] in response …   Wikipedia

• Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… …   Wikipedia

• Energy harvesting — (also known as Power harvesting or energy scavenging ) is the process by which energy is captured and stored. Frequently this term is applied when speaking about small autonomous devices, like those used in sensor networks. A variety of different …   Wikipedia