CLATHRATE COMPOUND, PRODUCTION METHOD OF CLATHRATE COMPOUND, AND THERMOELECTRIC CONVERSION ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide a new clathrate compound suitable for a thermoelectric conversion element, further to provide a production method of the clathrate compound and also to provide a new thermoelectric conversion element.;SOLUTION: The thermoelectric conversion element is a sintered compact of the clathrate compound represented by either of the following composition formulas (1) and (2): (1) A₈Ga_xGe_46-x (wherein, 6≤x≤10 is satisfied; and A represents an alkali metal); (2) A_yB_8-yGa_zGe_46-z (wherein, 0y8 and 14-y≤z≤18-y are satisfied; A represents an alkali metal; and B represents an alkaline earth metal).;COPYRIGHT: (C)2006,JPO&NCIPI