2010
DOI: 10.1016/j.jallcom.2010.05.160
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High temperature oxidation behavior of cobalt triantimonide thermoelectric material

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Cited by 50 publications
(29 citation statements)
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“…13 In 0.02 Co 3 FeSb 12 and Yb 0.39 In 0.02 Co 2.4 Fe 1.6 Sb 12 , respectively, with an increase in lattice parameter with Yb and In filling fractions and Co-to-Fe ratio, in agreement with previously reported data. Furthermore, the Yb filling fraction increases from 33% to 49% with increased Fe substitution, similarly reported for Gd and (Ba, Yb) filled skutterudites [10][11][12][13][14][15][16][17]. Elemental mapping from EDS data shows an even dispersion of elements for both specimens, indicating good homogeneity of the specimens, and corroborate our refinement results.…”
Section: Structural Characterizationsupporting
confidence: 92%
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“…13 In 0.02 Co 3 FeSb 12 and Yb 0.39 In 0.02 Co 2.4 Fe 1.6 Sb 12 , respectively, with an increase in lattice parameter with Yb and In filling fractions and Co-to-Fe ratio, in agreement with previously reported data. Furthermore, the Yb filling fraction increases from 33% to 49% with increased Fe substitution, similarly reported for Gd and (Ba, Yb) filled skutterudites [10][11][12][13][14][15][16][17]. Elemental mapping from EDS data shows an even dispersion of elements for both specimens, indicating good homogeneity of the specimens, and corroborate our refinement results.…”
Section: Structural Characterizationsupporting
confidence: 92%
“…Separate pieces of the specimens were also used for room-temperature Hall measurements and air stability tests. Air stability tests indicated that the specimens began to oxidize and degrade at 673 K, similar to that of previously reported skutterudites [13,14].…”
Section: Methodssupporting
confidence: 85%
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“…The weight change curves of the oxidation of the SKD material can be found in figure 3. At 550°C the oxidation of SKD follow a parabolic rate law in agreement with [9] and [10]; (∆m) 2 = k p t, where ∆m is the change in mass per unit area and k p the parabolic rate constant. The two different stages described in [10] can also be seen with a slight drop in mass between possibly caused by scaling off of the outher oxide layers.…”
Section: Methodsmentioning
confidence: 81%
“…17 The second approach is substituting Co or Sb atoms with metals or semimetals to tune the electronic properties, [17][18][19][20][21][22][23] and lots of experimental studies show VIA-group element (O, S, Se, Te) dopants can significantly influence the TE properties of CoSb 3 . 17,18,[24][25][26][27] For Te doped CoSb 3 , Te substituting Sb (Te Sb ) would be the dominant point defect. For example, Li et al reported Co 4 Sb 12-x Te x was successfully synthesized by using a melting method combined with spark plasma sintering (SPS), and the nominal solubility limit of Te substituting…”
Section: Zt T α σ κ =mentioning
confidence: 99%