THERMOELECTRIC ELEMENT

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PROBLEM TO BE SOLVED : To provide a thermoelectric conversion element, which has a high ZT value at a low temperature of approximately 100 K at which a conventional thermoelectric material has a low ZT value, and is useful for power generation using a low-temperature liquefied gas etc., and cooling of a high-temperature superconductor. SOLUTION : The thermoelectric element has a ZrCuSiAs type crystal structure, and the composition is shown as LnTPnOx (Ln is rare earth, M is at least metal atom chosen from Fe, Ru, Os, Co, Ni and Cu, Pn is P, As or Sb, and x is a number of 1.1-0.5). The thermoelectric element has the ZrCuSiAs type crystal structure, and the composition is shown as LnFeAsOx (Ln and x are the same as above described). COPYRIGHT : (C)2011, JPO&INPIT