Research Article
Electron Transport Properties of Eu(Cu1 − xAgx)2Si2 (0 ≤ x ≤ 1): Initiation of Transition Eu2+ ↔ Eu2.41+ in the Intermediate Valence State
Table 1
Parameters of temperature dependences of thermopower and resistivity in the system Eu(Cu1 − xAgx)2Si2 (0 ≤ x ≤ 1).
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Tαmax, the temperature of the maximum thermopower αmax; αmax, the value of αmax; T−/+, the temperature of the thermopower transition from negative to positive values; ρ300, the value of ρ at 300 K; ρ6 K/ρ300 K, the ratio of the value of the resistivity at 6 K and 300 K; and ϑeff, the effective valence of europium according to X-ray LIII-absorption spectroscopy data. |