1. Wang, Y., Sui, Y., Wang, X., Su, W., Lui, X.: Enhanced high temperature thermoelectric characteristics of transition metals doped Ca3Co4O9+δ by cold high-pressure fabrication. J. Appl. Phys. 107, 033708 (2010)
2. Masset, A.C., Michel, A., Maignan, A., Toulemonde, O., Studer, F., Raveau, B.: Misfit-layered cobaltite with an anisotropic giant magnetoresistance: Ca3Co4O9. Phys. Rev. B 62, 166–175 (2000)
3. Yanan, H., Bangchuan, Z., Jun, F., Ran, A., Yupin, S.: Tunning of microstructure and thermoelectric properties of Ca3Co4O9 ceramics by high-magnetic-field sintering. J. Appl. Phys. 110, 123713 (2010)
4. Joseph, R.S., Duck, Y.C., Mercouri, G.K.: New and old concepts in thermoelectric materials. Angew. Chem. 48, 8616–8639 (2009)
5. Miyazaki, Y.: Crystal structure and thermoelectric properties of the misfit layered cobalt oxides. Solid State Ion. 172, 463–467 (2004)