| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a rare earth multi-boride exhibiting a novel function having excellent n-type thermoelectric properties at high temperature (900 K or above). <P>SOLUTION: A carbon, nitrogen doped rare earth multi-boride represented by general formula REB<SB>22+X</SB>C<SB>4+Y</SB>N<SB>1+Z</SB>(-6<X<6, -3<Y<3, -1<Z<1, RE is at least one kind of rare earth element selected from a group of Sc, Y, Ho, Er, Tm, and Lu) and belonging to triclinic system or rhombohedron system is provided. <P>COPYRIGHT: (C)2007,JPO&INPIT |
