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Examples Include: SrAu 4 Al 3 : M 3 = Al 3 SrAu 5 Al 2 : M 3 = AuAl 2

Structure- Compostion -Property Relationships in Complex Intermetallic Phases Gordon J. Miller, Iowa State University, DMR 1005765.

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Examples Include: SrAu 4 Al 3 : M 3 = Al 3 SrAu 5 Al 2 : M 3 = AuAl 2

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  1. Structure-Compostion-Property Relationships in Complex Intermetallic PhasesGordon J. Miller, Iowa State University, DMR 1005765 (1) Discovered a Novel Series of Alkaline Earth/Au/Al (Au-Rich) Compounds containing a Hexagonal Diamond network of Gold with “cations” and Au/Al triangles occupying the voids. • Examples Include: • SrAu4Al3: M3 = Al3 • SrAu5Al2: M3 = AuAl2 • (3) Sr2Au7Al2: M3 = AuAl2 (2) Discovered a Series of Alkaline Earth/Au/Al Icosahedral Compounds that are Valence Electron precise (like valence compounds); Au:Al ratio controls symmetry. SrAu6.1Al6.4 Regular: Distorted: Au,Al icosahedra:

  2. Structure-Compostion-Property Relationships in Complex Intermetallic PhasesGordon J. Miller, Iowa State University, DMR 1005765 Education and Mentoring • Graduate Student Participation: • Fei Wang (Ph.D. in 2010; Post-doctoral associate in MPI-Stuttgart • Allison White (New student in Summer, 2012) • Post-Doctoral Participation: • Dr. Andriy Palasyuk (2011-2012; Scientist in Ames Laboratory) International Activities Advanced Masters School in Materials, TU-München, Invited Lecturer; Advisory Committee (External Member)

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