Propeller Head Plaza

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More on niobium

Posted by KlausR. on March 31, 2005 at 04:17:22:
A further search revealed a document stating this :
"The quantum-sized material can be a metal, a single-component semiconductor (e.g., C, Si, Ge), a compound semiconductor (composed of a "metal element" for forming a cation and a non-metal "reactant element" such as O, S, Se, and Te for forming an anion), or an oxide.
[0062] As used herein, the term "metal element" in a compound semiconductor refers to an element of Groups 2 through 13, inclusive, plus selected elements in Groups 14 and 15 of the periodic table. Thus, the term "metal element" broadly refers to the following elements"

>long list including niobium<

Still not used for a sandwich structure, but for the dot itself.
Klaus