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Title: High temperature rare earth and Si-Ge thermoelectric materials

Abstract

This thesis consists of three papers. Paper 1 is concerned with the preparation of metastable crystalline high temperature polymorph of Dy[sub 2]S[sub 3] or metastable crystalline high pressure polymorphs of R[sub 2]S[sub 3] (R = Y, Er, Tm, Yb and Lu) by mechanical milling. In Paper II, copper doped dysprosium sesquisulfide compounds, which have the [eta]-orthorhombic structure, were examined as potential high temperature thermoelectric materials. Paper III deals with the use of mechanical alloying and gaseous state diffusion to extend the electrical activity of phosphorus above the maximum reported equilibrium limit in Si[sub 80]Ge[sub 20] alloys.

Authors:
Publication Date:
Research Org.:
Ames Lab., IA (United States)
Sponsoring Org.:
USDOE; USDOE, Washington, DC (United States)
OSTI Identifier:
6761699
Report Number(s):
IS-T-1636
ON: DE93006913
DOE Contract Number:  
W-7405-ENG-82
Resource Type:
Technical Report
Resource Relation:
Other Information: Thesis (Ph.D.)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; DYSPROSIUM SULFIDES; CRYSTAL STRUCTURE; MILLING; THERMOELECTRIC PROPERTIES; ERBIUM SULFIDES; GERMANIUM ALLOYS; ELECTRICAL PROPERTIES; LUTETIUM SULFIDES; SILICON ALLOYS; THULIUM SULFIDES; YTTERBIUM SULFIDES; YTTRIUM SULFIDES; COPPER ADDITIONS; DOPED MATERIALS; ELECTRON DENSITY; EXPERIMENTAL DATA; LATTICE PARAMETERS; PHOSPHORUS ADDITIONS; X-RAY DIFFRACTION; ALLOYS; CHALCOGENIDES; COHERENT SCATTERING; COPPER ALLOYS; DATA; DIFFRACTION; DYSPROSIUM COMPOUNDS; ERBIUM COMPOUNDS; INFORMATION; LUTETIUM COMPOUNDS; MACHINING; MATERIALS; NUMERICAL DATA; PHYSICAL PROPERTIES; RARE EARTH COMPOUNDS; SCATTERING; SULFIDES; SULFUR COMPOUNDS; THULIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; YTTERBIUM COMPOUNDS; YTTRIUM COMPOUNDS; 360602* - Other Materials- Structure & Phase Studies; 360606 - Other Materials- Physical Properties- (1992-); 360104 - Metals & Alloys- Physical Properties

Citation Formats

Han, Sang Hyun. High temperature rare earth and Si-Ge thermoelectric materials. United States: N. p., 1993. Web.
Han, Sang Hyun. High temperature rare earth and Si-Ge thermoelectric materials. United States.
Han, Sang Hyun. 1993. "High temperature rare earth and Si-Ge thermoelectric materials". United States.
@article{osti_6761699,
title = {High temperature rare earth and Si-Ge thermoelectric materials},
author = {Han, Sang Hyun},
abstractNote = {This thesis consists of three papers. Paper 1 is concerned with the preparation of metastable crystalline high temperature polymorph of Dy[sub 2]S[sub 3] or metastable crystalline high pressure polymorphs of R[sub 2]S[sub 3] (R = Y, Er, Tm, Yb and Lu) by mechanical milling. In Paper II, copper doped dysprosium sesquisulfide compounds, which have the [eta]-orthorhombic structure, were examined as potential high temperature thermoelectric materials. Paper III deals with the use of mechanical alloying and gaseous state diffusion to extend the electrical activity of phosphorus above the maximum reported equilibrium limit in Si[sub 80]Ge[sub 20] alloys.},
doi = {},
url = {https://www.osti.gov/biblio/6761699}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Jan 21 00:00:00 EST 1993},
month = {Thu Jan 21 00:00:00 EST 1993}
}

Technical Report:
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