573 citations · 1.3k across the 18 of their papers we have counts for
18 papers
Revealing the Altermagnetism in Hematite via XMCD Imaging and Anomalous Hall Electrical Transport
Edgar Galindez-Ruales, Rafael Gonzalez-Hernandez, Christin Schmitt +16
Altermagnets are a class of magnetic materials that exhibit unconventional transport properties, such as an anomalous Hall effect, despite having compensated sublattice magnetic mo…
Electronic Excitations of Hematite Heteroepitaxial Films Measured by Resonant Inelastic X-Ray Scattering at the Fe L-edge
David S. Ellis, Ru-Pan Wang, Deniz Wong +9
Resonant Inelastic X-Ray Scattering (RIXS) spectra of hematite were measured at the Fe L3-edge for heteroepitaxial thin films which were undoped and doped with 1% Ti, Sn or Zn, in…
Film flip and transfer process to enhance light harvesting in ultrathin absorber films on specular back-reflectors
Asaf Kay, Barbara Scherrer, Yifat Piekner +4
Optical interference is used to enhance light-matter interaction and harvest broadband light in ultrathin semiconductor absorber films on specular back-reflectors. However, the hig…
Defect segregation and its effect on the photoelectrochemical properties of Ti-doped hematite photoanodes for solar water splitting
Barbara Scherrer, Tong Li, Anton Tsyganok +11
Optimising the photoelectrochemical performance of hematite photoanodes for solar water splitting requires better understanding of the relationships between dopant distribution, st…
The rust challenge -- On the correlations between electronic structure, excited state dynamics and photoelectrochemical performance of hematite photoanodes for solar water splitting
Daniel A. Grave, Natav Yatom, David S. Ellis +2
In recent years, hematite potential as a photoanode material for solar hydrogen production has ignited a renewed interest in its physical and interfacial properties, which continue…
Different roles of Fe1-xNixOOH co-catalyst on hematite (α-Fe2O3) photoanodes with different dopants
Anton Tsyganok, Dino Klotz, Kirtiman Deo Malviya +2
Transparent Fe1-xNixOOH overlayers (~2 nm thick) were deposited photoelectrochemically on (001) oriented heteroepitaxial Sn- and Zn-doped hematite (Fe2O3) thin film photoanodes. In…
Empirical Analysis of the Photoelectrochemical Impedance Response of Hematite Photoanodes for Water Photo-Oxidation
Dino Klotz, Daniel A. Grave, Hen Dotan +1
Photoelectrochemical impedance spectroscopy (PEIS) is a useful tool for the characterization of photoelectrodes for solar water splitting. However, the analysis of PEIS spectra oft…
The spatial collection efficiency of photogenerated charge carriers in photovoltaic and photoelectrochemical devices
Gideon Segev, Hen Dotan, David S. Ellis +7
The spatial collection efficiency portrays the driving forces and loss mechanisms in photovoltaic and photoelectrochemical devices. It is defined as the fraction of photogenerated…
Wavelength Dependent Photocurrent of Hematite Photoanodes: Reassessing the Hole Collection Length
Asaf Kay, Daniel A Grave, Kirtiman D Malviya +3
The photoelectrochemical behavior of a planar 1 cm2 thick Ti-doped hematite film deposited on F:SnO2 coated glass was studied with both front and back illumination. Despite low qua…
Implementing strong interference in ultrathin film top absorbers for tandem solar cells
Yifat Piekner, Hen Dotan, Anton Tsyganok +4
Strong interference in ultrathin film semiconductor absorbers on metallic back reflectors has been shown to enhance the light harvesting efficiency of solar cell materials. However…
Photoelectrochemical water splitting in separate oxygen and hydrogen cells
Avigail Landman, Hen Dotan, Gennady E. Shter +5
Solar water splitting provides a promising path for sustainable hydrogen production and solar energy storage. One of the greatest challenges towards large-scale utilization of this…
Accurate Determination of the Charge Transfer Efficiency of Photoanodes for Solar Water Splitting
Dino Klotz, Daniel A. Grave, Avner Rothschild
The oxygen evolution reaction (OER) at the surface of semiconductor photoanodes involves photo-generated holes that oxidize water. A certain fraction of the holes that reach the su…
An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit
Andrew Ross, Romain Lebrun, Lorenzo Baldrati +10
We report room temperature long-distance spin transport of magnons in antiferromagnetic thin film hematite doped with Zn. The additional dopants significantly alter the magnetic an…
Decoupled photoelectrochemical water splitting system for centralized hydrogen production
Avigail Landman, Rawan Halabi, Paula Dias +8
Photoelectrochemical (PEC) water splitting offers an elegant approach for solar energy conversion into hydrogen fuel. Large-scale hydrogen production requires stable and efficient…
Decoupled Water Splitting: From Basic Science to Application
Avigail Landman, Gideon S. Grader, Avner Rothschild
In this review, we discuss disruptive decoupled water splitting schemes, in which the concurrent production of hydrogen and oxygen in close proximity to each other in conventional…
Structural sensitivity of the spin Hall magnetoresistance in antiferromagnetic thin films
Andrew Ross, Romain Lebrun, Camilo Ulloa +7
Reading the magnetic state of antiferromagnetic (AFM) thin films is key for AFM spintronic devices. We investigate the underlying physics behind the spin Hall magnetoresistance (SM…
Propagation length of antiferromagnetic magnons governed by domain configurations
Andrew Ross, Romain Lebrun, Olena Gomonay +13
The compensated magnetic order and characteristic, terahertz frequencies of antiferromagnetic materials makes them promising candidates to develop a new class of robust, ultra-fast…
Magnetic states at the surface of alpha-Fe2O3 thin films doped with Ti, Zn or Sn
David S. Ellis, Eugen Weschke, Asaf Kay +6
The spin states at the surface of epitaxial thin films of hematite, both undoped and doped with 1% Ti, Sn or Zn, respectively, were probed with x-ray magnetic linear dichroism (XML…