dc.contributor.author | Kyratsi, Theodora | en |
dc.contributor.author | Dyck, J. S. | en |
dc.contributor.author | Chen, W. | en |
dc.contributor.author | Chung, D. Y. | en |
dc.contributor.author | Uher, C. | en |
dc.contributor.author | Paraskevopoulos, K. M. | en |
dc.contributor.author | Kanatzidis, M. G. | en |
dc.creator | Kyratsi, Theodora | en |
dc.creator | Dyck, J. S. | en |
dc.creator | Chen, W. | en |
dc.creator | Chung, D. Y. | en |
dc.creator | Uher, C. | en |
dc.creator | Paraskevopoulos, K. M. | en |
dc.creator | Kanatzidis, M. G. | en |
dc.date.accessioned | 2019-05-06T12:24:00Z | |
dc.date.available | 2019-05-06T12:24:00Z | |
dc.date.issued | 2002 | |
dc.identifier.uri | http://gnosis.library.ucy.ac.cy/handle/7/48557 | |
dc.description.abstract | The thermoelectric properties of solid solutions of the type β-K 2Bi 8-xSb xSe 13 (0<x<8) were studied with respect to thermal behavior, band gap variation, and charge transport properties as a function of x. At x values between 0 and 1.5, the energy band gap is observed to decrease (anomalous) before it widens with increasing x values as would be expected. For selected members of the solid solutions, the Bridgman technique was applied to obtain well-grown oriented ingots that were used to measure the thermal conductivity and charge transport properties in different growth directions. The measurements showed a strong anisotropy in thermoelectric properties with the largest anisotropy observed in the electrical conductivity. Lattice thermal conductivities of the selected solid solutions were observed to decrease when the x value increases. Preliminary doping studies on the x=1.6 member were carried out and it was shown that it is possible to significantly increase the power factor. © 2002 American Institute of Physics. | en |
dc.language.iso | eng | en |
dc.source | Journal of Applied Physics | en |
dc.subject | Energy gap | en |
dc.subject | Anisotropy | en |
dc.subject | Electric conductivity | en |
dc.subject | Thermal conductivity | en |
dc.subject | Thermoelectricity | en |
dc.subject | Solid solutions | en |
dc.subject | Transport properties | en |
dc.subject | Crystal growth | en |
dc.subject | Thermoelectric properties | en |
dc.subject | Lattice thermal conductivity | en |
dc.subject | Thermoelectric equipment | en |
dc.subject | Electric power factor | en |
dc.subject | Anisotropic crystal growth | en |
dc.subject | Band gap variation | en |
dc.subject | Bridgman techniques | en |
dc.subject | Electrical conductivity | en |
dc.subject | Growth directions | en |
dc.subject | Metal castings | en |
dc.subject | Power factors | en |
dc.subject | Strong anisotropy | en |
dc.subject | Thermal behaviors | en |
dc.title | Highly anisotropic crystal growth and thermoelectric properties of K 2Bi 8-xSb xSe 13 solid solutions: Band gap anomaly at low x | en |
dc.type | info:eu-repo/semantics/article | |
dc.identifier.doi | 10.1063/1.1481967 | |
dc.description.volume | 92 | |
dc.description.startingpage | 965 | |
dc.description.endingpage | 975 | |
dc.author.faculty | Πολυτεχνική Σχολή / Faculty of Engineering | |
dc.author.department | Τμήμα Μηχανικών Μηχανολογίας και Κατασκευαστικής / Department of Mechanical and Manufacturing Engineering | |
dc.type.uhtype | Article | en |
dc.contributor.orcid | Kyratsi, Theodora [0000-0003-2916-1708] | |
dc.description.totalnumpages | 965-975 | |
dc.gnosis.orcid | 0000-0003-2916-1708 | |