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7 papers · 2 filters
Electro-magnetostatic homogenization of bianisotropic metamaterials
Chris Fietz
We apply the method of asymptotic homogenization to metamaterials with microscopically bianisotropic inclusions to calculate a full set of constitutive parameters in the long wavel…
A comparison of graphene, superconductors and metals as conductors for metamaterials and plasmonics
Philippe Tassin, Thomas Koschny, Maria Kafesaki +1
Recent advancements in metamaterials and plasmonics have promised a number of exciting applications, in particular at terahertz and optical frequencies. Unfortunately, the noble me…
Non-Arrhenius ionic conductivities in glasses due to a distribution of activation energies
C Bischoff, K Schuller, S P Beckman +1
Previously observed non-Arrhenius behavior in fast ion conducting glasses [\textit{Phys.\ Rev.\ Lett.}\ \textbf{76}, 70 (1996)] occurs at temperatures near the glass transition tem…
Frequency dependence of the spin glass freezing temperatures in icosahedral R - Mg - Zn (R = rare earth) quasicrystals
Sergey L. Bud'ko, Paul C. Canfield
We present ac susceptibility measurements with the frequency spanning three orders of magnitude on single grain, icosahedral R - Mg - Zn (R = rare earth) quasicrystals. The freezin…
Effect of 3d-doping on the electronic structure of BaFe2As2
J. A. McLeod, A. Buling, R. J. Green +10
The electronic structure of BaFe2As2 doped with Co, Ni, and Cu has been studied by a variety of experimental and theoretical methods, but a clear picture of the dopant 3d states ha…
Structural Properties and Relative Stability of (Meta)Stable Ordered, Partially-ordered and Disordered Al-Li Alloy Phases
Aftab Alam, D. D. Johnson
We resolve issues that have plagued reliable prediction of relative phase stability for solid-solutions and compounds. Due to its commercially important phase diagram, we showcase…