Infrared studies of the (1-x) PbTe - (x) PbSnS 2 system

Thomas C. Hasapis; Steven N. Girard; Euripides Hatzikraniotis; Konstantinos M. Paraskevopoulos; Mercouri G. Kanatzidis

doi:10.1557/opl.2011.848

Infrared studies of the (1-x) PbTe - (x) PbSnS ₂ system

Thomas C. Hasapis, Steven N. Girard, Euripides Hatzikraniotis, Konstantinos M. Paraskevopoulos, Mercouri G. Kanatzidis

Northwestern University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

In this work we report on the infrared properties of the thermoelectric (1-x)PbTe-xPbSnS ₂system with x=0.03, 0.06, 0.11 and 0.33. The results obtained by the analysis of the reflectivity spectra are discussed together with the structural and morphological characteristics obtained by XRD and SEM-EDS measurements. The system was found macroscopically homogeneous for x=0.03 and x=0.06 and phase separated for x=0.11 and x=0.33. The analyzed ∼150cm ^-1 PbS impurity mode demonstrated a composition close to the PbTe _0.98S _0.02 for the major phase. The incorporation of PbSnS ₂ causes a reduction in plasma frequency (decrease in carrier frequency concentration) and an increase in carrier mobility.

Original language	English
Title of host publication	Energy Harvesting - Recent Advances in Materials, Devices and Applications
Pages	143-148
Number of pages	6
DOIs	https://doi.org/10.1557/opl.2011.848
Publication status	Published - Jan 1 2012
Event	2011 MRS Spring Meeting - San Francisco, CA, United States Duration: Apr 25 2011 → Apr 29 2011

Publication series

Name	Materials Research Society Symposium Proceedings
Volume	1325
ISSN (Print)	0272-9172

Other

Other	2011 MRS Spring Meeting
Country	United States
City	San Francisco, CA
Period	4/25/11 → 4/29/11

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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Hasapis, T. C., Girard, S. N., Hatzikraniotis, E., Paraskevopoulos, K. M., & Kanatzidis, M. G. (2012). Infrared studies of the (1-x) PbTe - (x) PbSnS ₂ system. In Energy Harvesting - Recent Advances in Materials, Devices and Applications (pp. 143-148). (Materials Research Society Symposium Proceedings; Vol. 1325). https://doi.org/10.1557/opl.2011.848

Infrared studies of the (1-x) PbTe - (x) PbSnS ₂ system. / Hasapis, Thomas C.; Girard, Steven N.; Hatzikraniotis, Euripides; Paraskevopoulos, Konstantinos M.; Kanatzidis, Mercouri G.

Energy Harvesting - Recent Advances in Materials, Devices and Applications. 2012. p. 143-148 (Materials Research Society Symposium Proceedings; Vol. 1325).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hasapis, TC, Girard, SN, Hatzikraniotis, E, Paraskevopoulos, KM & Kanatzidis, MG 2012, Infrared studies of the (1-x) PbTe - (x) PbSnS ₂ system. in Energy Harvesting - Recent Advances in Materials, Devices and Applications. Materials Research Society Symposium Proceedings, vol. 1325, pp. 143-148, 2011 MRS Spring Meeting, San Francisco, CA, United States, 4/25/11. https://doi.org/10.1557/opl.2011.848

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