Thermoelectric crystal conductivity reaches a new era

Chemistry Latest Research

Matthew Donner

Founder, Sky High Videos

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Recent research has revealed that thermoelectric crystals can show higher conductivity. Researchers from Japan demonstrate an unprecedented large P in a single crystal of Ta2PdSe6 that is 200 times larger than the maximum P commercially available.

The phenomenon called the “Seebeck effect” laid the foundation of the field of thermoelectrics, which deals with materials producing electricity under the application of temperature difference.

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Ta2PdSe6 showed rapid growth in P below 100 K, reaching a value higher by two orders of magnitude. This suggested that the large P stemmed from a low residual resistivity.

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The team prepared high-quality single crystals of Ta2pdSe 6 and characterized its chemical composition using scanning electron microscopy.

Ta2PdSe6 could be used as a current source for a superconducting solenoid isolated in a cryogenic space. A cubic sample of 1 cc could supply a current of 100 A to the solanoid for a temperature difference of 1 K.

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Ta2PdSe6 could be used as a current source for a superconducting solenoid isolated in a cryogenic space. A cubic sample of 1 cc could supply a current of 100 A to the solanoid for a temperature difference of 1 K.

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