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18 papers · 1 filter
Effect of oxygen concentration on the structural and magnetic properties of LaRh1/2Mn1/2O3 thin films
W. C. Sheets, A. E. Smith, M. A. Subramanian +1
Epitaxial LaRh1/2Mn1/2O3 thin films have been grown on (001)-oriented LaAlO3 and SrTiO3 substrates using pulsed laser deposition. The optimized thin film samples are semiconducting…
Orthogonality and probability: beyond nearest neighbor transitions
Yevgeniy Kovchegov
In this article, we will explore why Karlin-McGregor method of using orthogonal polynomials in the study of Markov processes was so successful for one dimensional nearest neighbor…
Metric and arithmetic properties of mediant-Rosen maps
Cor Kraaikamp, Hitoshi Nakada, Thomas A. Schmidt
A continued fractions based verification of the Hurwitz values for the Hecke triangle groups is given, completing a program of Lehner's. Ergodic theory shows that Diophantine appro…
Elastic effects of vacancies in strontium titanate: Short- and long-range strain fields, elastic dipole tensors, and chemical strain
Daniel A. Freedman, D. Roundy, T. A. Arias
We present a study of the local strain effects associated with vacancy defects in strontium titanate and report the first calculations of elastic dipole tensors and chemical strain…
Distinguishing Bing-Whitehead Cantor Sets
Dennis Garity, Dušan Repovš, David Wright +1
Bing-Whitehead Cantor sets were introduced by DeGryse and Osborne in dimension three and greater to produce examples of Cantor sets that were non standard (wild), but still had sim…
Hyper-gratings: nanophotonics in planar anisotropic metamaterials
Sukosin Thongrattanasiri, Viktor A. Podolskiy
We present a technique capable of producing subwavelength focal spots in the far-field of the source in planar non-resonant structures. The approach combines the diffraction gratin…