LiPbSb3S6: A Semiconducting Sulfosalt with Very Low Thermal Conductivity
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- Title
- LiPbSb3S6: A Semiconducting Sulfosalt with Very Low Thermal Conductivity
- Author
- Agha, EC; Malliakas, CD; Im, J; Jin, Hosub; Zhao, LD; Freeman, AJ; Kanatzidis, MG
- Keywords
- STRONG 2ND-HARMONIC GENERATION; CRYSTAL-STRUCTURE; BAND-GAP; PERFORMANCE; CHEMISTRY; RB; CS; SULFIDES; DENSITY; FLUXES
- Issue Date
- 2014-01
- Publisher
- AMER CHEMICAL SOC
- Citation
- INORGANIC CHEMISTRY, v.53, no., pp.673 -
- Abstract
- The new semiconductor LiPbSb3S6 crystallizes in the space group P2(1)/c. The structure is a member of the lillianite homologous series and is composed of layers of PbS archetype Sb/Li-S separated by trigonal-prismatic-coordinated Pb/Li. Electronic band structure calculations indicate an indirect band gap, with direct gaps lying very close in energy. LiPbSb3S6 has one of the lowest thermal conductivities seen in a crystalline material, similar to 0.24 W m(-1) K-1 at room temperature, and a high resistivity, similar to 4 x 10(9) Omega.cm, and exhibits strong light absorption with a nearly direct band gap of 1.6 eV.
- URI
- ; Go to Link
- DOI
- 10.1021/ic402262z
- ISSN
- 0020-1669
- Appears in Collections:
- PHY_Journal Papers
- Files in This Item:
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