Studies of Ordering in Semiconducting and Other Alloys

Studies of Ordering in Semiconducting and Other Alloys

New ordered compounds derived from semiconductor and metallic alloys for special values of the composition x were studied. The types of ordered compounds were cataloged. A goal was to determine the stability of the new ordered states for both low and high temperatures. The properties of both the new...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Newman, Kathie E
Format: Report
Sprache:eng
Schlagworte:
BAND GAP
CHEMICAL BONDS
CRYSTALS
DISTORTION
Electrical and Electronic Equipment
ELECTRONIC STATES
FAMATINITE
HIGH TEMPERATURE
Inorganic Chemistry
INTERACTIONS
LOW TEMPERATURE
LUZONITE
METALLOID ALLOYS
Metallurgy and Metallography
METASTABLE ALLOYS
ORBITS
ORDERING
PYRITE
SEMICONDUCTORS
SPIN STATES
STABILITY
STRAIN(MECHANICS)
STRUCTURAL PROPERTIES
SUPERLATTICES
TB(TIGHT BINDING) METHODS
TERNARY COMPOUNDS
UNIT CELLS
VFF(VALENCE FORCE FIELD)
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Beschreibung
Zusammenfassung:New ordered compounds derived from semiconductor and metallic alloys for special values of the composition x were studied. The types of ordered compounds were cataloged. A goal was to determine the stability of the new ordered states for both low and high temperatures. The properties of both the new stable and metastable compounds, e.g., band gaps were determined. Finally, the validity of a micro-structure model of metastable alloys was tested. We have determined the structural properties of a number of new ordered compounds using a valence-force-field (VFF) model of strain. Specifically, we have determined such quantities as strain energies, bond lengths, and dimensions of unit cells.