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- D. Schaile7 profiles46 · h 87
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- University of WashingtonUS50 papers
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8 papers · 1 filter
Femtosecond Demagnetization and Hot Hole Relaxation in Ferromagnetic GaMnAs
J. Wang, L. Cywinski, C. Sun +3
We have studied ultrafast photoinduced demagnetization in GaMnAs via two-color time-resolved magneto-optical Kerr spectroscopy. Below-bandgap midinfrared pump pulses strongly excit…
Electrically-driven phase transition in magnetite nanostructures
Sungbae Lee, Alexandra Fursina, John T. Mayo +5
Magnetite (FeO), an archetypal transition metal oxide, has been used for thousands of years, from lodestones in primitive compasses[1] to a candidate material for magne…
Edge Effects in Finite Elongated Graphene Nanoribbons
Oded Hod, Juan E. Peralta, Gustavo E. Scuseria
We analyze the relevance of finite-size effects to the electronic structure of long graphene nanoribbons using a divide and conquer density functional approach. We find that for hy…
Half-metallic graphene nanodots
Oded Hod, Veronica Barone, Gustavo E. Scuseria
A comprehensive first-principles theoretical study of the electronic properties and half-metallic nature of finite rectangular graphene nanoribbons is presented. We identify the bi…
Disorder, spin-orbit, and interaction effects in dilute
Gregory A. Fiete, Gergely Zarand, Kedar Damle +1
We derive an effective Hamiltonian for in the dilute limit, where can be described in terms of spin …
On the Kohn-Sham equations with periodic background potentials
E. Prodan, P. Nordlander
We study the question of existence and uniqueness for the finite temperature Kohn-Sham equations. For finite volumes, a unique soluion is shown to exists if the effective potential…