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Effect of Guest Atom Composition on the Structural and Vibrational Properties of the Type II Clathrate-Based Materials A(x)Si(136), A(x)Ge(136) and A(x)Sn(136) (A = Na, K, Rb, Cs; 0 ≤ x ≤ 24)
Type II clathrates are interesting due to their potential thermoelectric applications. Powdered X-ray diffraction (XRD) data and density functional calculations for Na(x)Si(136) found a lattice contraction as x increases for 0 < x < 8 and an expansion as x increases for x > 8. This is expla...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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MDPI
2016
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5512513/ https://www.ncbi.nlm.nih.gov/pubmed/28773812 http://dx.doi.org/10.3390/ma9080691 |