pyroelectricity sentence in Hindi
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- Research in pyroelectricity became more sophisticated in the 19th century.
- The process of pyroelectricity has been known from ancient times.
- Pyroelectricity is also a necessary consequence of ferroelectricity.
- Ha�y's name is also known for the observations he made in pyroelectricity.
- However, note that some piezoelectric materials have a crystal symmetry that does not allow pyroelectricity.
- Very small changes in temperature can produce an electric potential due to a materials'pyroelectricity.
- The piezoelectric effect is generally stronger in materials that also exhibit pyroelectricity, and all pyroelectric materials are also piezoelectric.
- In 1824 William Thomson in 1878 and Woldemar Voigt in 1897 helped develop a theory for the processes behind pyroelectricity.
- Theophrastus made the first known reference to the phenomenon of pyroelectricity, noting that the mineral tourmaline becomes charged when heated.
- The property of pyroelectricity is the measured change in net polarization ( a vector ) proportional to a change in temperature.
- In 1824, Sir David Brewster demonstrated piezoelectric effects using Rochelle salts, which led to him naming the effect pyroelectricity.
- This and other lattice symmetry properties result in piezoelectricity of the hexagonal and zincblende ZnO, and pyroelectricity of hexagonal ZnO.
- Pyroelectricity requires time-varying inputs and suffers from small power outputs in energy harvesting applications due to its low operating frequencies.
- The combined properties of memory, piezoelectricity, and pyroelectricity make ferroelectric capacitors very useful, e . g . for sensor applications.
- Due to this, wurtzite crystals can ( and generally do ) have properties such as piezoelectricity and pyroelectricity, which centrosymmetric crystals lack.
- Pierre Curie and his brother, Jacques Curie, studied pyroelectricity in the 1880s, leading to their discovery of some of the mechanisms behind piezoelectricity.
- In turn, pyroelectricity is seen most strongly in materials which also display the ferroelectric effect, in which a stable electric dipole can be oriented or reversed by applying an electrostatic field.
- Pyroelectricity should not be confused with thermoelectricity : In a typical demonstration of pyroelectricity, the whole crystal is changed from one temperature to another, and the result is a temporary voltage across the crystal.
- Pyroelectricity should not be confused with thermoelectricity : In a typical demonstration of pyroelectricity, the whole crystal is changed from one temperature to another, and the result is a temporary voltage across the crystal.
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