Molar mass 235.887 g/mol Melting point 1,650 °C | Density 7.46 g/cm³ | |
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Thermodynamic
data Phase behaviour
solid–liquid–gas | ||
Lithium tantalate crystal for pyroelectric fusion sales dmphotonics com
Lithium tantalate (LiTaO3), is a crystalline solid which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensors such as motion detectors, terahertz generation and detection, surface acoustic wave applications, cell phones and possibly pyroelectric nuclear fusion. Considerable information is available from commercial sources about this salt.
Contents
- Lithium tantalate crystal for pyroelectric fusion sales dmphotonics com
- Lesson 351 high ri synthetic gem materials lithium tantalate
- Pyroelectric fusion
- Water and freezing
- References
Lesson 351 high ri synthetic gem materials lithium tantalate
Pyroelectric fusion
According to an April 2005 Nature article, Brian Naranjo, Jim Gimzewski and Seth Putterman at UCLA applied a large temperature difference to a lithium tantalate crystal producing a large enough charge to generate and accelerate a beam of deuterium nuclei into a deuteriated target resulting in the production of a small flux of helium-3 and neutrons through nuclear fusion without extreme heat or pressure.Their results have been replicated.
It is unlikely to be useful for electricity generation since the energy required to produce the fusion reactions exceeded the energy produced by them. It is thought that the technique might be useful for small neutron generators, especially if the deuterium beam is replaced by a tritium one. Comparing this with the electrostatic containment of ionic plasma to achieve fusion in a "fusor" or other IEC, this method focuses electrical acceleration to a much smaller non-ionized deuterium target without heat.
Water and freezing
A scientific paper published in February 2010 shows a difference in the temperature and mechanism of freezing water to ice, depending on the charge applied to a surface of pyroelectric LiTaO3 crystals.
