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Title: Ternary rare earth-lanthanide sulfides. [Re = Eu, Sm or Yb]

Disclosed is a new ternary rare earth sulfur compound having the formula La/sub 3-x/M/sub x/S/sub 4/, where M is europium, samarium, or ytterbium, with x = 0.15 to 0.8. The compound has good high-temperature thermoelectric properties and exhibits long-term structural stability up to 1000/sup 0/C.
Authors:
; ;
Publication Date:
OSTI Identifier:
6670442
DOE Contract Number:
W-7405-ENG-82
Resource Type:
Patent
Research Org:
Ames Lab., IA (USA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; EUROPIUM SULFIDES; THERMOELECTRIC PROPERTIES; LANTHANUM SULFIDES; SAMARIUM SULFIDES; YTTERBIUM SULFIDES; ELECTRIC CONDUCTIVITY; MIXTURES; SEEBECK EFFECT; STABILITY; TEMPERATURE DEPENDENCE; VERY HIGH TEMPERATURE; CHALCOGENIDES; DISPERSIONS; ELECTRICAL PROPERTIES; EUROPIUM COMPOUNDS; LANTHANUM COMPOUNDS; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SAMARIUM COMPOUNDS; SULFIDES; SULFUR COMPOUNDS; YTTERBIUM COMPOUNDS 360603* -- Materials-- Properties