Jood, P. and Ohta, M. Hierarchical Architecturing for Layered Thermoelectric Sulfides and Chalcogenides. Materials 2015, 8, 1124–1149
Sample | Direction | S (μV·K−1) | ρ (μΩ m) | μ (cm2·V−1·s−1) | S2/ρ (μW·K−2·m−1) | κlat (W·K−1·m−1) | ZT |
---|---|---|---|---|---|---|---|
Single crystal | In-plane | −251 | 17 | 15 | 3710 | 6.35 | 0.16 |
Single crystal | Out-of-plane | - | 13,000 | 0.017 | - | 4.21 | - |
Polycrystalline | In-plane | −80 | 6.2 | 2.3 | 1030 | 2.0 | 0.12 |
Polycrystalline | Out-of-plane | −84 | 11 | 1.2 | 630 | 1.8 | 0.10 |
Sample | Direction | T (K) | ρ (μΩ·m) | S (μV·K−1) | κtotal (W·K−1·m−1) | κlat(W·K−1·m−1) | S2/ρ (μW·K−2·m−1) | ZT | Reference |
---|---|---|---|---|---|---|---|---|---|
(Yb2S2)0.62NbS2 | In-plane | 300 | 19.0 | 60 | 0.80 | 0.41 | 200 | 0.1 | [5] |
(La2S2)0.62NbS2 | In-plane | 300 | 11.5 | 22 | - | - | 50 | - | [5] |
(LaS)1.14NbS2a | In-plane | 300 | 7.6 | 37 | 2.5 | 1.50 | 177 | 0.02 | [4] |
950 | 22.0 | 83 | 2.00 | 0.93 | 316 | 0.15 | |||
Out-of-plane | 300 | 13.3 | 25 | 2.04 | 1.48 | 49 | 0.01 | ||
950 | 32.1 | 72 | 1.62 | 0.88 | 162 | 0.09 | |||
(LaS)1.14NbS2b | In-plane | 300 | 5.2 | 35 | 4.88 | 3.45 | 233 | 0.02 | [4] |
950 | 16.9 | 83 | 3.25 | 1.86 | 405 | 0.12 | |||
Out-of-plane | 300 | 9.3 | 25 | 1.56 | 0.75 | 70 | 0.01 | ||
950 | 28.5 | 56 | 1.34 | 0.52 | 111 | 0.08 | |||
(LaS)1.2CrS2a | In-plane | 950 | 207 | −172 | 1.16 | 1.04 | 143 | 0.11 | [4] |
Out-of-plane | 950 | 223 | −174 | 1.02 | 0.91 | 137 | 0.13 | ||
(LaS)1.2CrS2b | In-plane | 950 | 171 | −172 | 1.25 | 1.11 | 174 | 0.14 | [4] |
Out-of-plane | 950 | 278 | −154 | 0.92 | 0.84 | 84 | 0.08 |
Conflicts of Interest
References
- Jood, P.; Ohta, M. Hierarchical architecturing for layered thermoelectric sulfides and chalcogenides. Materials 2015, 8, 1124–1149. [Google Scholar] [CrossRef]
- Imai, H.; Shimakawa, Y.; Kubo, Y. Large thermoelectric power factor in TiS2 crystal with nearly stoichiometric composition. Phys. Rev. B 2001, 64, 241104(R):1–241104(R):4. [Google Scholar] [CrossRef]
- Ohta, M.; Satoh, S.; Kuzuya, T.; Hirai, S.; Kunii, M.; Yamamoto, A. Thermoelectric properties of Ti1+xS2 prepared by CS2 sulfurization. Acta Mater. 2012, 60, 7232–7240. [Google Scholar] [CrossRef]
- Jood, P.; Ohta, M.; Nishiate, H.; Yamamoto, A.; Lebedev, O.I.; Berthebaud, D.; Suekuni, K.; Kunii, M. Microstructural control and thermoelectric properties of misfit layered sulfides (LaS)1+mTS2 (T = Cr, Nb): The natural superlattice systems. Chem. Mater. 2014, 26, 2684–2692. [Google Scholar]
- Miyazaki, Y.; Ogawa, H.; Nakajo, T.; Kikuchii, Y.; Hayashi, K. Crystal structure and thermoelectric properties of misfit-layered sulfides [Ln2S2]pNbS2 (Ln = Lanthanides). J. Electron. Mater. 2013, 42, 1335–1339. [Google Scholar] [CrossRef]
© 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Jood, P.; Ohta, M. Jood, P. and Ohta, M. Hierarchical Architecturing for Layered Thermoelectric Sulfides and Chalcogenides. Materials 2015, 8, 1124–1149. Materials 2015, 8, 6482-6483. https://doi.org/10.3390/ma8095315
Jood P, Ohta M. Jood, P. and Ohta, M. Hierarchical Architecturing for Layered Thermoelectric Sulfides and Chalcogenides. Materials 2015, 8, 1124–1149. Materials. 2015; 8(9):6482-6483. https://doi.org/10.3390/ma8095315
Chicago/Turabian StyleJood, Priyanka, and Michihiro Ohta. 2015. "Jood, P. and Ohta, M. Hierarchical Architecturing for Layered Thermoelectric Sulfides and Chalcogenides. Materials 2015, 8, 1124–1149" Materials 8, no. 9: 6482-6483. https://doi.org/10.3390/ma8095315