464 citations · 548 across the 6 of their papers we have counts for
6 papers
Synthesis and properties of free-standing monolayer amorphous carbon
Chee-Tat Toh, Hongji Zhang, Junhao Lin +12
Bulk amorphous materials have been studied extensively and are widely used, yet their atomic arrangement remains an open issue. Although they are generally believed to be Zacharias…
Intrinsic interfacial van der Waals monolayers and their effect on the high-temperature superconductor FeSe/SrTiO
Hunter Sims, Donovan N. Leonard, Axiel Yaël Birenbaum +6
The sensitive dependence of monolayer materials on their environment often gives rise to unexpected properties. It was recently demonstrated that monolayer FeSe on a SrTiO subs…
Thermally assisted ordering in Mott insulators
Hunter Sims, Eva Pavarini, Erik Koch
Ginzburg-Landau theory describes phase transitions as the competition between energy and entropy: The ordered phase has lower energy, while the disordered phase has larger entropy.…
Electronic Structure of Magnetic Semiconductor CdCr_2Te_4: A Possible Spin-Dependent Symmetry Filter
Hunter Sims, Karthik Ramasamy, William H. Butler +1
We present a theoretical investigation of the electronic and magnetic structure of spinel CdCr_2Te_4 using density functional theory, its extensions via onsite Hubbard U interactio…
Effects of 3-d and 4-d-transition metal substitutional impurities on the electronic properties of CrO2
M. E. Williams, H. Sims, D. Mazumdar +1
We present first-principles based density functional theory calculations of the electronic and magnetic structure of CrO2 with 3d (Ti through Cu) and 4d (Zr through Ag) substitutio…
Determining the Anisotropic Exchange Coupling of CrO_2 via First-Principles Density Functional Theory Calculations
H. Sims, S. J. Oset, W. H. Butler +2
We report a study of the anisotropic exchange interactions in bulk CrO_2 calculated from first principles within density functional theory. We determine the exchange coupling energ…