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. 2015 Dec 2;16(1):25–33. doi: 10.1021/acs.cgd.5b00461

Table 2. Compositions (at./f.u.) of the Ba8–xCexAuySi46–y Phases in the Course of Successive Attempts to Isolate the Clathrate in Phase Pure Forma.

  starting composition clathrate phase Ph1 starting composition (same as Ph1) clathrate phase Ph2 starting composition (same as Ph2) clathrate phase Ph3
Ba 6.00 7.61 7.61 7.40 7.40 7.65
Ce 2.00 0.65 0.65 0.27 0.27 0.0
Au 6.00 5.72 5.72 5.18 5.18 5.08
Si 40.00 40.01 40.01 40.58 40.58 41.37
a

The EDX compositions of the phases Ph1 and Ph2 were used as starting compositions for the synthesis yielding the clathrate phases Ph2 and Ph3, respectively.