41 citations · 135 across the 9 of their papers we have counts for
9 papers
Unveiling orbital landscapes in strongly correlated bulk nickelates with -NIXS
Edgar Abarca Morales, Martin Sundermann, Brett Leedahl +10
We leverage -orbital non-resonant inelastic X-ray scattering (-NIXS) to perform orbital imaging on three bulk rare-earth nickelates spanning a range of formal nickel valence…
Selective orbital imaging of excited states with x-ray spectroscopy: the example of -MnS
A. Amorese, B. Leedahl, M. Sundermann +10
Herein we show that non-resonant inelastic x-ray scattering involving an core level is a powerful spectroscopic method to characterize the excited states of transition metal co…
Dual nature of 5 electrons in the isostructural UMSi family: from antiferro- to Pauli paramagnetism via hidden order
Andrea Amorese, Martin Sundermann, Brett Leedahl +16
Using inelastic x-ray scattering beyond the dipole limit and hard x-ray photoelectron spectroscopy we establish the dual nature of the U electrons in UMSi (M = Pd, Ni,…
Origin of Ising magnetism in Ca3Co2O6 unveiled by orbital imaging
Brett Leedahl, Martin Sundermann, Andrea Amorese +7
The one-dimensional cobaltate Ca3Co2O6 is an intriguing material having an unconventional magnetic structure, displaying quantum tunneling phenomena in its magnetization. Using a n…
Fundamental Crystal Field Excitations in Magnetic Semiconductor SnO:Mn,Fe,Co,Ni
B. Leedahl, D. J. McCloskey, D. W. Boukhvalov +7
Directly measuring elementary electronic excitations in dopant metals is essential to understanding how they function as part of their host material. Through calculated crysta…
Oxygen Vacancy Induced Structural Distortions in Black Titania -- A Unique Approach using Soft X-Ray EXAFS at the O K-Edge
Brett Leedahl, Tristan de Boer, Xiaotao Yuan +1
Unknown changes in the crystalline order of regular TiO result in the formation of black titania, which has garnered significant interest as a photocatalytic material due to th…
Tunability of Room Temperature Ferromagnetism in Spintronic Semiconductors through Non-magnetic Atoms
Brett Leedahl, Zahra Abooalizadeh, Kyle LeBlanc +1
The implementation and control of room temperature ferromagnetism (RTFM) by adding magnetic atoms to a semiconductor's lattice has been one of the most important problems in solid…
Adjacent Fe-Vacancy Interactions as the Origin of Room Temperature Ferromagnetism in (InFe)O
R. J. Green, T. Z. Regier, B. Leedahl +5
Dilute magnetic semiconductors (DMSs) show great promise for applications in spin-based electronics, but in most cases continue to elude explanations of their magnetic behavior. He…
Structural defects induced by Fe-ion implantation in TiO2
B. Leedahl, D. A. Zatsepin, D. W. Boukhvalov +8
X-ray photoelectron spectroscopy (XPS) and resonant x-ray emission spectroscopy (RXES) measurements of pellet and thin film forms of TiO with implanted Fe ions are presented an…